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- PDB-8i0v: The cryo-EM structure of human post-Bact complex -

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Basic information

Entry
Database: PDB / ID: 8i0v
TitleThe cryo-EM structure of human post-Bact complex
Components
  • (Peptidyl-prolyl cis-trans isomerase-like ...) x 2
  • (Pre-mRNA-processing factor ...) x 2
  • (Pre-mRNA-splicing factor ...) x 6
  • (Small nuclear ribonucleoprotein ...) x 6
  • (Splicing factor 3B subunit ...) x 5
  • (U2 small nuclear ribonucleoprotein ...) x 2
  • 116 kDa U5 small nuclear ribonucleoprotein component
  • Cell division cycle 5-like protein
  • Crooked neck-like protein 1
  • PHD finger-like domain-containing protein 5A
  • Peptidyl-prolyl cis-trans isomerase E
  • Pleiotropic regulator 1
  • Pre-mRNA
  • Pre-mRNA-processing-splicing factor 8
  • Protein BUD31 homolog
  • RNA helicase aquarius
  • SNW domain-containing protein 1
  • Serine/arginine repetitive matrix protein 2
  • Small nuclear ribonucleoprotein-associated proteins B and B'
  • Spliceosome-associated protein CWC15 homolog
  • U2 snRNA
  • U5 small nuclear ribonucleoprotein 40 kDa protein
  • U5 snRNA
  • U6 snRNA
KeywordsSPLICING / spliceosome / Bact complex / RNA splicing / PRP2 / branching
Function / homology
Function and homology information


U11/U12 snRNP / post-mRNA release spliceosomal complex / regulation of retinoic acid receptor signaling pathway / 3'-5' RNA helicase activity / U2 snRNP binding / U7 snRNA binding / histone pre-mRNA DCP binding / generation of catalytic spliceosome for first transesterification step / U7 snRNP / B-WICH complex ...U11/U12 snRNP / post-mRNA release spliceosomal complex / regulation of retinoic acid receptor signaling pathway / 3'-5' RNA helicase activity / U2 snRNP binding / U7 snRNA binding / histone pre-mRNA DCP binding / generation of catalytic spliceosome for first transesterification step / U7 snRNP / B-WICH complex / regulation of vitamin D receptor signaling pathway / histone pre-mRNA 3'end processing complex / SLBP independent Processing of Histone Pre-mRNAs / SLBP Dependent Processing of Replication-Dependent Histone Pre-mRNAs / embryonic brain development / splicing factor binding / protein methylation / U12-type spliceosomal complex / methylosome / nuclear retinoic acid receptor binding / Prp19 complex / 7-methylguanosine cap hypermethylation / positive regulation of androgen receptor activity / poly(A) binding / U1 snRNP binding / mRNA 3'-end processing / pICln-Sm protein complex / pre-mRNA binding / U2-type catalytic step 1 spliceosome / RNA splicing, via transesterification reactions / small nuclear ribonucleoprotein complex / sno(s)RNA-containing ribonucleoprotein complex / SMN-Sm protein complex / C2H2 zinc finger domain binding / regulation of mRNA splicing, via spliceosome / spliceosomal tri-snRNP complex / P granule / telomerase holoenzyme complex / U2-type spliceosomal complex / mRNA cis splicing, via spliceosome / positive regulation by host of viral transcription / U2-type precatalytic spliceosome / commitment complex / Transport of Mature mRNA derived from an Intron-Containing Transcript / positive regulation of vitamin D receptor signaling pathway / telomerase RNA binding / U2-type prespliceosome assembly / nuclear vitamin D receptor binding / U2-type catalytic step 2 spliceosome / U4 snRNP / Regulation of gene expression in late stage (branching morphogenesis) pancreatic bud precursor cells / Notch binding / RUNX3 regulates NOTCH signaling / SAGA complex / U2 snRNP / positive regulation of mRNA splicing, via spliceosome / RNA Polymerase II Transcription Termination / NOTCH4 Intracellular Domain Regulates Transcription / positive regulation of transcription by RNA polymerase III / U1 snRNP / ubiquitin-ubiquitin ligase activity / WD40-repeat domain binding / NOTCH3 Intracellular Domain Regulates Transcription / pattern recognition receptor activity / lipid biosynthetic process / positive regulation of neurogenesis / U2-type prespliceosome / K63-linked polyubiquitin modification-dependent protein binding / cyclosporin A binding / nuclear androgen receptor binding / precatalytic spliceosome / positive regulation of transcription by RNA polymerase I / Notch-HLH transcription pathway / positive regulation of transforming growth factor beta receptor signaling pathway / Formation of paraxial mesoderm / spliceosomal complex assembly / mRNA Splicing - Minor Pathway / SMAD binding / mitotic G2 DNA damage checkpoint signaling / protein K63-linked ubiquitination / regulation of RNA splicing / antiviral innate immune response / blastocyst development / protein localization to nucleus / spliceosomal tri-snRNP complex assembly / intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator / retinoic acid receptor signaling pathway / U5 snRNA binding / proteasomal protein catabolic process / positive regulation of G1/S transition of mitotic cell cycle / U5 snRNP / embryonic organ development / transcription-coupled nucleotide-excision repair / positive regulation of viral genome replication / RNA processing / U2 snRNA binding / U6 snRNA binding / regulation of DNA repair / spliceosomal snRNP assembly / protein peptidyl-prolyl isomerization
Similarity search - Function
PPIL4-like, cyclophilin domain / Cyclophilin-RNA interacting protein / : / : / Intron-binding protein aquarius, beta-barrel / Intron-binding protein aquarius insert domain / Pre-mRNA-splicing factor SPF27 / : / Breast carcinoma amplified sequence 2 (BCAS2) / mRNA splicing factor SYF2 ...PPIL4-like, cyclophilin domain / Cyclophilin-RNA interacting protein / : / : / Intron-binding protein aquarius, beta-barrel / Intron-binding protein aquarius insert domain / Pre-mRNA-splicing factor SPF27 / : / Breast carcinoma amplified sequence 2 (BCAS2) / mRNA splicing factor SYF2 / SYF2 splicing factor / CWF11 family / Intron-binding protein aquarius, N-terminal / Intron-binding protein aquarius N-terminal / Peptidyl-prolyl cis-trans isomerase E / Peptidyl-prolyl cis-trans isomerase E, RNA recognition motif / SF3B4, RNA recognition motif 2 / Cyclophilin-type peptidyl-prolyl cis-trans isomerase, cyclophilin A-like / mRNA splicing factor Cwf21 domain / cwf21 domain / Pre-mRNA-processing factor 17 / Pre-mRNA-splicing factor 19 / Pre-mRNA-processing factor 19 / Prp19/Pso4-like / : / STL11, N-terminal / U2 small nuclear ribonucleoprotein B'', RNA recognition motif 2 / U2 small nuclear ribonucleoprotein B'', RNA recognition motif 1 / U-box domain / : / SF3B4, RNA recognition motif 1 / DNA2/NAM7 helicase, helicase domain / DNA2/NAM7-like helicase / AAA domain / WD repeat Prp46/PLRG1-like / Splicing factor 3B, subunit 5 / BUD31/G10-related, conserved site / : / : / : / G10 protein signature 1. / G10 protein signature 2. / SKI-interacting protein SKIP, SNW domain / SKI-interacting protein, SKIP / SKIP/SNW domain / Myb-like DNA-binding domain / Pre-mRNA-splicing factor Cwf15/Cwc15 / HAT (Half-A-TPR) repeat / Cwf15/Cwc15 cell cycle control protein / Splicing factor 3B subunit 1 / Splicing factor 3B subunit 1 / Domain of unknown function DUF382 / Pre-mRNA-splicing factor Cwc2/Slt11 / Domain of unknown function (DUF382) / G10 protein / Pre-mRNA-splicing factor BUD31 / Pre-mRNA splicing factor component Cdc5p/Cef1, C-terminal / pre-mRNA splicing factor component / Initiation factor eIF-4 gamma, MA3 / MA3 domain / MI domain profile. / Domain in DAP-5, eIF4G, MA-3 and other proteins. / PHF5-like / PHF5-like protein / PSP, proline-rich / MIF4G domain / PSP / proline-rich domain in spliceosome associated proteins / Splicing factor 3B subunit 5/RDS3 complex subunit 10 / Splicing factor 3B subunit 10 (SF3b10) / Splicing factor 3B subunit 1-like / Small ribonucleoprotein associated, SmB/SmN / Spt5 C-terminal domain / Spt5 C-terminal nonapeptide repeat binding Spt4 / Small nuclear ribonucleoprotein D1 / U-box domain profile. / Middle domain of eukaryotic initiation factor 4G (eIF4G) / MIF4G-like, type 3 / Modified RING finger domain / U-box domain / U2A'/phosphoprotein 32 family A, C-terminal / Zinc finger, CCCH-type superfamily / occurring C-terminal to leucine-rich repeats / Leucine-rich repeat / : / Helicase associated domain (HA2), ratchet-like / SAP domain / zinc finger / Pre-mRNA-splicing factor Syf1-like / SAP motif profile. / Putative DNA-binding (bihelical) motif predicted to be involved in chromosomal organisation / SAP domain / Snu114, GTP-binding domain / DEAD-box helicase, OB fold / Oligonucleotide/oligosaccharide-binding (OB)-fold / Helicase-associated domain / Helicase associated domain (HA2), winged-helix / Helicase associated domain (HA2) Add an annotation / 116kDa U5 small nuclear ribonucleoprotein component, N-terminal / 116kDa U5 small nuclear ribonucleoprotein component, C-terminal
Similarity search - Domain/homology
GUANOSINE-5'-TRIPHOSPHATE / INOSITOL HEXAKISPHOSPHATE / : / : / RNA / RNA (> 10) / RNA (> 100) / Pleiotropic regulator 1 / Pre-mRNA-splicing factor ATP-dependent RNA helicase DHX16 / RNA helicase aquarius ...GUANOSINE-5'-TRIPHOSPHATE / INOSITOL HEXAKISPHOSPHATE / : / : / RNA / RNA (> 10) / RNA (> 100) / Pleiotropic regulator 1 / Pre-mRNA-splicing factor ATP-dependent RNA helicase DHX16 / RNA helicase aquarius / Pre-mRNA-processing factor 17 / Splicing factor 3B subunit 1 / Pre-mRNA-splicing factor SPF27 / Pre-mRNA-splicing factor SYF2 / U2 small nuclear ribonucleoprotein B'' / U2 small nuclear ribonucleoprotein A' / Small nuclear ribonucleoprotein-associated proteins B and B' / Protein BUD31 homolog / Small nuclear ribonucleoprotein E / Small nuclear ribonucleoprotein F / Small nuclear ribonucleoprotein G / Small nuclear ribonucleoprotein Sm D1 / Small nuclear ribonucleoprotein Sm D2 / Small nuclear ribonucleoprotein Sm D3 / Splicing factor 3B subunit 2 / SNW domain-containing protein 1 / 116 kDa U5 small nuclear ribonucleoprotein component / Splicing factor 3B subunit 3 / Splicing factor 3B subunit 4 / Pre-mRNA-processing-splicing factor 8 / PHD finger-like domain-containing protein 5A / Peptidyl-prolyl cis-trans isomerase-like 4 / U5 small nuclear ribonucleoprotein 40 kDa protein / Cell division cycle 5-like protein / Splicing factor 3B subunit 5 / Crooked neck-like protein 1 / Pre-mRNA-splicing factor CWC22 homolog / Pre-mRNA-splicing factor SYF1 / Pre-mRNA-splicing factor RBM22 / Spliceosome-associated protein CWC15 homolog / Pre-mRNA-processing factor 19 / Peptidyl-prolyl cis-trans isomerase E / Serine/arginine repetitive matrix protein 2 / Peptidyl-prolyl cis-trans isomerase-like 1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3 Å
AuthorsZhan, X. / Lu, Y. / Shi, Y.
Funding support China, 1items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC) China
CitationJournal: To Be Published
Title: Molecular basis for the activation of human spliceosome
Authors: Zhan, X. / Lu, Y. / Shi, Y.
History
DepositionJan 11, 2023Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jul 31, 2024Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Pre-mRNA-processing-splicing factor 8
B: U5 snRNA
C: 116 kDa U5 small nuclear ribonucleoprotein component
E: U5 small nuclear ribonucleoprotein 40 kDa protein
F: U6 snRNA
G: Pre-mRNA
H: U2 snRNA
I: Pre-mRNA-splicing factor SYF1
J: Crooked neck-like protein 1
L: Cell division cycle 5-like protein
M: Pre-mRNA-splicing factor SYF2
N: Protein BUD31 homolog
O: Pre-mRNA-splicing factor RBM22
P: Spliceosome-associated protein CWC15 homolog
Q: RNA helicase aquarius
R: SNW domain-containing protein 1
S: Peptidyl-prolyl cis-trans isomerase-like 1
T: Pleiotropic regulator 1
U: Serine/arginine repetitive matrix protein 2
V: Pre-mRNA-splicing factor CWC22 homolog
W: Pre-mRNA-processing factor 17
X: Pre-mRNA-splicing factor ATP-dependent RNA helicase DHX16
Y: Peptidyl-prolyl cis-trans isomerase-like 4
Z: Pre-mRNA-splicing factor SPF27
a: Small nuclear ribonucleoprotein-associated proteins B and B'
b: Small nuclear ribonucleoprotein Sm D1
c: Small nuclear ribonucleoprotein Sm D2
d: Small nuclear ribonucleoprotein F
e: Small nuclear ribonucleoprotein E
f: Small nuclear ribonucleoprotein G
g: Small nuclear ribonucleoprotein Sm D3
q: Pre-mRNA-processing factor 19
r: Pre-mRNA-processing factor 19
s: Pre-mRNA-processing factor 19
t: Pre-mRNA-processing factor 19
y: Peptidyl-prolyl cis-trans isomerase E
1: Splicing factor 3B subunit 1
3: Splicing factor 3B subunit 3
2: Splicing factor 3B subunit 2
4: Splicing factor 3B subunit 4
7: PHD finger-like domain-containing protein 5A
5: Splicing factor 3B subunit 5
p: U2 small nuclear ribonucleoprotein B''
o: U2 small nuclear ribonucleoprotein A'
h: Small nuclear ribonucleoprotein Sm D2
i: Small nuclear ribonucleoprotein F
m: Small nuclear ribonucleoprotein-associated proteins B and B'
l: Small nuclear ribonucleoprotein Sm D3
k: Small nuclear ribonucleoprotein G
j: Small nuclear ribonucleoprotein E
n: Small nuclear ribonucleoprotein Sm D1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)2,969,37566
Polymers2,967,62951
Non-polymers1,74615
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: cross-linking
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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Protein , 14 types, 15 molecules ACEJLNPQRTUamy7

#1: Protein Pre-mRNA-processing-splicing factor 8 / PRP8 homolog / Splicing factor Prp8


Mass: 273974.250 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q6P2Q9
#3: Protein 116 kDa U5 small nuclear ribonucleoprotein component / SNU114 homolog / hSNU114


Mass: 109560.625 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q15029
#4: Protein U5 small nuclear ribonucleoprotein 40 kDa protein / U5-40K / U5 snRNP-specific 40 kDa protein


Mass: 39359.492 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q96DI7
#9: Protein Crooked neck-like protein 1 / SYF3 / Crooked neck homolog / hCrn


Mass: 100610.008 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q9BZJ0
#10: Protein Cell division cycle 5-like protein / Cdc5-like protein / Pombe cdc5-related protein


Mass: 92406.883 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q99459
#12: Protein Protein BUD31 homolog / Protein G10 homolog


Mass: 17032.850 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P41223
#14: Protein Spliceosome-associated protein CWC15 homolog


Mass: 26674.447 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q9P013
#15: Protein RNA helicase aquarius


Mass: 171502.453 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: O60306, RNA helicase
#16: Protein SNW domain-containing protein 1 / Nuclear protein SkiP / Nuclear receptor coactivator NCoA-62 / Ski-interacting protein


Mass: 61770.648 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q13573
#18: Protein Pleiotropic regulator 1


Mass: 57280.758 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: O43660
#19: Protein Serine/arginine repetitive matrix protein 2 / Serine/arginine-rich splicing factor-related nuclear matrix protein of 300 kDa / Ser/Arg-related ...Serine/arginine-rich splicing factor-related nuclear matrix protein of 300 kDa / Ser/Arg-related nuclear matrix protein of 300 kDa


Mass: 300255.312 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q9UQ35
#25: Protein Small nuclear ribonucleoprotein-associated proteins B and B' / SmB / snRNP-B / Sm protein B/B' / SmB/B'


Mass: 24642.131 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P14678
#33: Protein Peptidyl-prolyl cis-trans isomerase E / PPIase E / Cyclophilin E / Rotamase E


Mass: 33475.773 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q9UNP9, peptidylprolyl isomerase
#38: Protein PHD finger-like domain-containing protein 5A / PHD finger-like domain protein 5A


Mass: 12427.524 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q7RTV0

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RNA chain , 4 types, 4 molecules BFGH

#2: RNA chain U5 snRNA


Mass: 37254.855 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: GenBank: 20330981
#5: RNA chain U6 snRNA


Mass: 34404.438 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
#6: RNA chain Pre-mRNA


Mass: 70435.383 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
#7: RNA chain U2 snRNA


Mass: 60186.445 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: GenBank: 340097

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Pre-mRNA-splicing factor ... , 6 types, 6 molecules IMOVXZ

#8: Protein Pre-mRNA-splicing factor SYF1


Mass: 100148.711 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q9HCS7
#11: Protein Pre-mRNA-splicing factor SYF2 / CCNDBP1-interactor / p29


Mass: 28780.518 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: O95926
#13: Protein Pre-mRNA-splicing factor RBM22 / RNA-binding motif protein 22


Mass: 46959.555 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q9NW64
#20: Protein Pre-mRNA-splicing factor CWC22 homolog


Mass: 105646.578 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q9HCG8
#22: Protein Pre-mRNA-splicing factor ATP-dependent RNA helicase DHX16 / ATP-dependent RNA helicase #3 / DEAH-box protein 16


Mass: 119443.633 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: O60231, RNA helicase
#24: Protein Pre-mRNA-splicing factor SPF27 / Spliceosome-associated protein SPF 27


Mass: 26163.420 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: O75934

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Peptidyl-prolyl cis-trans isomerase-like ... , 2 types, 2 molecules SY

#17: Protein Peptidyl-prolyl cis-trans isomerase-like 1 / PPIase / Rotamase PPIL1


Mass: 18257.805 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q9Y3C6, peptidylprolyl isomerase
#23: Protein Peptidyl-prolyl cis-trans isomerase-like 4 / PPIase / Cyclophilin-like protein PPIL4 / Rotamase PPIL4


Mass: 57324.176 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q8WUA2, peptidylprolyl isomerase

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Pre-mRNA-processing factor ... , 2 types, 5 molecules Wqrst

#21: Protein Pre-mRNA-processing factor 17 / PRP17 homolog / hPRP17


Mass: 65612.180 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: O60508
#32: Protein
Pre-mRNA-processing factor 19 / PRP19/PSO4 homolog / hPso4 / RING-type E3 ubiquitin transferase PRP19 / Senescence evasion factor


Mass: 55245.547 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
References: UniProt: Q9UMS4, RING-type E3 ubiquitin transferase

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Small nuclear ribonucleoprotein ... , 6 types, 12 molecules bnchdiejfkgl

#26: Protein Small nuclear ribonucleoprotein Sm D1 / Sm-D1 / Sm-D autoantigen / snRNP core protein D1


Mass: 13310.653 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62314
#27: Protein Small nuclear ribonucleoprotein Sm D2 / Sm-D2 / snRNP core protein D2


Mass: 13551.928 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62316
#28: Protein Small nuclear ribonucleoprotein F / snRNP-F / Sm protein F / SmF


Mass: 9734.171 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62306
#29: Protein Small nuclear ribonucleoprotein E / snRNP-E / Sm protein E / SmE


Mass: 10817.601 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62304
#30: Protein Small nuclear ribonucleoprotein G / snRNP-G / Sm protein G / SmG


Mass: 8508.084 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62308
#31: Protein Small nuclear ribonucleoprotein Sm D3 / SmD3 / Sm-D3 / snRNP core protein D3


Mass: 13940.308 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62318

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Splicing factor 3B subunit ... , 5 types, 5 molecules 13245

#34: Protein Splicing factor 3B subunit 1 / Pre-mRNA-splicing factor SF3b 155 kDa subunit / SF3b155


Mass: 146024.938 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: O75533
#35: Protein Splicing factor 3B subunit 3 / Pre-mRNA-splicing factor SF3b 130 kDa subunit / SF3b130


Mass: 135718.844 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q15393
#36: Protein Splicing factor 3B subunit 2 / Pre-mRNA-splicing factor SF3b 145 kDa subunit / SF3b145


Mass: 100377.812 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q13435
#37: Protein Splicing factor 3B subunit 4 / Pre-mRNA-splicing factor SF3b 49 kDa subunit


Mass: 44436.570 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q15427
#39: Protein Splicing factor 3B subunit 5 / SF3b5


Mass: 10149.369 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q9BWJ5

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U2 small nuclear ribonucleoprotein ... , 2 types, 2 molecules po

#40: Protein U2 small nuclear ribonucleoprotein B'' / U2-B" / U2 snRNP B''


Mass: 25524.367 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P08579
#41: Protein U2 small nuclear ribonucleoprotein A' / U2-A' / U2 snRNP A'


Mass: 28456.584 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P09661

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Non-polymers , 4 types, 15 molecules

#42: Chemical ChemComp-IHP / INOSITOL HEXAKISPHOSPHATE / MYO-INOSITOL HEXAKISPHOSPHATE / INOSITOL 1,2,3,4,5,6-HEXAKISPHOSPHATE


Mass: 660.035 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C6H18O24P6
#43: Chemical ChemComp-GTP / GUANOSINE-5'-TRIPHOSPHATE


Mass: 523.180 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H16N5O14P3 / Comment: GTP, energy-carrying molecule*YM
#44: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: Mg
#45: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: Zn

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Details

Has ligand of interestN

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: The human Bact-III complex / Type: COMPLEX
Entity ID: #1-#4, #20, #5, #7, #10, #14, #16, #18, #6, #13, #12, #19, #25-#31, #21-#23, #17, #32, #24, #8, #36, #35, #9, #11, #34, #33, #15, #37-#41
Source: NATURAL
Source (natural)Organism: Homo sapiens (human)
Buffer solutionpH: 7.9
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2000 nm / Nominal defocus min: 1400 nm
Image recordingElectron dose: 50 e/Å2 / Detector mode: SUPER-RESOLUTION / Film or detector model: GATAN K3 (6k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.17.1_3660: / Classification: refinement
CTF correctionType: NONE
3D reconstructionResolution: 3 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 92596 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.01178189
ELECTRON MICROSCOPYf_angle_d0.974107016
ELECTRON MICROSCOPYf_dihedral_angle_d15.64814971
ELECTRON MICROSCOPYf_chiral_restr0.05711486
ELECTRON MICROSCOPYf_plane_restr0.00613570

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