Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

7QTT

Structural organization of a late activated human spliceosome (Baqr, core region)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Splicing factor 3B subunit 3polymer1217135718.81UniProt (Q15393)
Pfam (PF10433)
Pfam (PF03178)
Homo sapiens (human)Pre-mRNA-splicing factor SF3b 130 kDa subunit,SF3b130,STAF130,Spliceosome-associated protein 130,SAP 130
2B
(B)
Splicing factor 3B subunit 5polymer8610149.41UniProt (Q9BWJ5)
Pfam (PF07189)
Homo sapiens (human)SF3b5,Pre-mRNA-splicing factor SF3b 10 kDa subunit
3C
(C)
Splicing factor 3B subunit 1polymer1304146024.91UniProt (O75533)
Pfam (PF08920)
Pfam (PF22646)
Homo sapiens (human)Pre-mRNA-splicing factor SF3b 155 kDa subunit,SF3b155,Spliceosome-associated protein 155,SAP 155
4D
(D)
PHD finger-like domain-containing protein 5Apolymer11012427.51UniProt (Q7RTV0)
Pfam (PF03660)
Homo sapiens (human)PHD finger-like domain protein 5A,Splicing factor 3B-associated 14 kDa protein,SF3b14b
5E
(E)
Splicing factor 3B subunit 2polymer895100377.81UniProt (Q13435)
Pfam (PF02037)
Pfam (PF04037)
Pfam (PF04046)
Homo sapiens (human)Pre-mRNA-splicing factor SF3b 145 kDa subunit,SF3b145,Spliceosome-associated protein 145,SAP 145
6F
(F)
Splicing factor 3B subunit 4polymer42444436.61UniProt (Q15427)
Pfam (PF00076)
Homo sapiens (human)Pre-mRNA-splicing factor SF3b 49 kDa subunit,Spliceosome-associated protein 49,SAP 49
7G
(G)
G-patch domain and KOW motifs-containing proteinpolymer47652299.71UniProt (Q92917)
Pfam (PF12656)
Pfam (PF00467)
Homo sapiens (human)G-patch domain-containing protein 5,Protein MOS2 homolog,Protein T54
8H
(I)
Splicing factor 3A subunit 2polymer46449327.41UniProt (Q15428)
Pfam (PF12874)
Pfam (PF16835)
Homo sapiens (human)SF3a66,Spliceosome-associated protein 62,SAP 62
9I
(J)
Splicing factor 3A subunit 3polymer50158934.81UniProt (Q12874)
Pfam (PF12108)
Pfam (PF16837)
Pfam (PF13297)
Pfam (PF11931)
Homo sapiens (human)SF3a60,Spliceosome-associated protein 61,SAP 61
10J
(L)
BUD13 homologpolymer61970669.21UniProt (Q9BRD0)
Pfam (PF09736)
Homo sapiens (human)
11K
(N)
Putative pre-mRNA-splicing factor ATP-dependent RNA helicase DHX16polymer1041119443.61UniProt (O60231)
Pfam (PF00270)
Pfam (PF00271)
Pfam (PF04408)
Pfam (PF21010)
Pfam (PF07717)
Homo sapiens (human)ATP-dependent RNA helicase #3,DEAH-box protein 16
12L
(O)
Pleiotropic regulator 1polymer51457280.81UniProt (O43660)
Pfam (PF00400)
Homo sapiens (human)
13M
(P)
Cell division cycle 5-like proteinpolymer80292406.91UniProt (Q99459)
Pfam (PF13921)
Pfam (PF11831)
Homo sapiens (human)Cdc5-like protein,Pombe cdc5-related protein
14N
(Q)
Spliceosome-associated protein CWC15 homologpolymer22926674.41UniProt (Q9P013)
Pfam (PF04889)
Homo sapiens (human)
15O
(T)
Protein BUD31 homologpolymer14417032.81UniProt (P41223)
Pfam (PF01125)
Homo sapiens (human)Protein EDG-2,Protein G10 homolog
16P
(U)
Pre-mRNA-splicing factor RBM22polymer42046959.61UniProt (Q9NW64)
Pfam (PF21369)
Pfam (PF00076)
Homo sapiens (human)RNA-binding motif protein 22,Zinc finger CCCH domain-containing protein 16
17Q
(V)
Peptidyl-prolyl cis-trans isomerase-like 4polymer49257324.21UniProt (Q8WUA2)
Pfam (PF00160)
Pfam (PF00076)
Homo sapiens (human)PPIase,Cyclophilin-like protein PPIL4,Rotamase PPIL4
18R
(W)
Pre-mRNA-splicing factor CWC22 homologpolymer908105646.61UniProt (Q9HCG8)
Pfam (PF02854)
Pfam (PF02847)
Homo sapiens (human)Nucampholin homolog,fSAPb
19S
(X)
Crooked neck-like protein 1polymer848100610.01UniProt (Q9BZJ0)
Pfam (PF02184)
Homo sapiens (human)Crooked neck homolog,hCrn
20T
(Y)
SNW domain-containing protein 1polymer53661610.71UniProt (Q13573)
Pfam (PF02731)
Homo sapiens (human)Nuclear protein SkiP,Nuclear receptor coactivator NCoA-62,Ski-interacting protein
21U
(Z)
RING finger protein 113Apolymer34338847.21UniProt (O15541)
Pfam (PF00642)
Pfam (PF13920)
Homo sapiens (human)Zinc finger protein 183
22V
(a)
Pre-mRNA-processing-splicing factor 8polymer2335273974.31UniProt (Q6P2Q9)
Pfam (PF08082)
Pfam (PF08083)
Pfam (PF10598)
Pfam (PF10597)
Pfam (PF10596)
Pfam (PF12134)
Pfam (PF01398)
Pfam (PF08084)
Homo sapiens (human)220 kDa U5 snRNP-specific protein,PRP8 homolog,Splicing factor Prp8,p220
23W
(b)
116 kDa U5 small nuclear ribonucleoprotein componentpolymer972109560.61UniProt (Q15029)
Pfam (PF16004)
Pfam (PF00009)
Pfam (PF03144)
Pfam (PF14492)
Pfam (PF03764)
Pfam (PF00679)
Homo sapiens (human)Elongation factor Tu GTP-binding domain-containing protein 2,SNU114 homolog,hSNU114,U5 snRNP-specific protein,116 kDa,U5-116 kDa
24X
(d)
U6snRNApolymer10634098.31Homo sapiens
25Y
(e)
U5 snRNApolymer11737254.91GenBank (20330981)Homo sapiens (human)
26Z
(f)
U2snRNApolymer18860186.41GenBank (36516)Homo sapiens (human)
27AA
(g)
MINXpolymer319102348.21unidentified adenovirus
28BA
(h)
Small nuclear ribonucleoprotein Fpolymer869734.21UniProt (P62306)
Pfam (PF01423)
Homo sapiens (human)snRNP-F,Sm protein F,SmF
29CA
(i)
Small nuclear ribonucleoprotein Epolymer9210817.61UniProt (P62304)
Pfam (PF01423)
Homo sapiens (human)snRNP-E,Sm protein E,SmE
30DA
(j)
Small nuclear ribonucleoprotein Sm D3polymer12613940.31UniProt (P62318)
Pfam (PF01423)
Homo sapiens (human)Sm-D3,snRNP core protein D3
31EA
(k)
Small nuclear ribonucleoprotein Sm D1polymer11913310.71UniProt (P62314)
Pfam (PF01423)
Homo sapiens (human)Sm-D1,Sm-D autoantigen,snRNP core protein D1
32FA
(l)
Small nuclear ribonucleoprotein Sm D2polymer11813551.91UniProt (P62316)
Pfam (PF01423)
Homo sapiens (human)Sm-D2,snRNP core protein D2
33GA
(m)
Small nuclear ribonucleoprotein Gpolymer768508.11UniProt (P62308)
Pfam (PF01423)
Homo sapiens (human)snRNP-G,Sm protein G,SmG
34HA
(n)
Small nuclear ribonucleoprotein-associated proteins B and B'polymer24024642.11UniProt (P14678)
Pfam (PF01423)
Homo sapiens (human)snRNP-B,Sm protein B/B',SmB/B'
35IA
(p)
Peptidyl-prolyl cis-trans isomerase-like 1polymer16618257.81UniProt (Q9Y3C6)
Pfam (PF00160)
Homo sapiens (human)PPIase,Rotamase PPIL1
36JA
(q)
Serine/arginine repetitive matrix protein 2polymer2752300255.31UniProt (Q9UQ35)
Pfam (PF08312)
Homo sapiens (human)300 kDa nuclear matrix antigen,Serine/arginine-rich splicing factor-related nuclear matrix protein of 300 kDa,Ser/Arg-related nuclear matrix protein of 300 kDa,Splicing coactivator subunit SRm300,Tax-responsive enhancer element-binding protein 803,TaxREB803
37KA
(u)
RING-type E3 ubiquitin-protein ligase PPIL2polymer52058910.41UniProt (Q13356)
Pfam (PF00160)
Homo sapiens (human)CYC4,Cyclophilin-60,Cyclophilin-like protein Cyp-60,Cyp60,hCyP-60,Probable inactive peptidyl-prolyl cis-trans isomerase-like 2,PPIase,Rotamase PPIL2
38LA, MA, NA, OA, PA...
(D, I, J, T, U...)
ZINC IONnon-polymer65.412Chemie (ZN)
39XA
(a)
INOSITOL HEXAKISPHOSPHATEnon-polymer660.01Chemie (IHP)
40YA
(b)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.21Chemie (GTP)
41AB, BB, CB, DB, EB...
(d, b)
MAGNESIUM IONnon-polymer24.37Chemie (MG)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains37
Total formula weight2493554.0
Non-Polymers*Number of molecules21
Total formula weight2138.3
All*Total formula weight2495692.2
*Water molecules are not included.

237735

PDB entries from 2025-06-18

PDB statisticsPDBj update infoContact PDBjnumon