5Z57
Cryo-EM structure of the human activated spliceosome (late Bact) at 6.5 angstrom
This is a non-PDB format compatible entry.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Pre-mRNA-processing-splicing factor 8 | polymer | 2335 | 273974.3 | 1 | UniProt (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 |
| 2 | B (B) | U5 snRNA | polymer | 117 | 37254.9 | 1 | GenBank (20330981) | Homo sapiens (Human) | |
| 3 | C (C) | 116 kDa U5 small nuclear ribonucleoprotein component | polymer | 972 | 109560.6 | 1 | UniProt (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 |
| 4 | D (D) | U5 small nuclear ribonucleoprotein 200 kDa helicase | polymer | 2136 | 244823.4 | 1 | UniProt (O75643) Pfam (PF21188) Pfam (PF18149) Pfam (PF00270) Pfam (PF00271) Pfam (PF23445) Pfam (PF02889) | Homo sapiens (Human) | Activating signal cointegrator 1 complex subunit 3-like 1,BRR2 homolog,U5 snRNP-specific 200 kDa protein,U5-200KD |
| 5 | E (E) | U5 small nuclear ribonucleoprotein 40 kDa protein | polymer | 357 | 39359.5 | 1 | UniProt (Q96DI7) Pfam (PF00400) | Homo sapiens (Human) | U5-40K,38 kDa-splicing factor,Prp8-binding protein,hPRP8BP,U5 snRNP-specific 40 kDa protein,WD repeat-containing protein 57 |
| 6 | F, P (a, h) | Small nuclear ribonucleoprotein Sm D3 | polymer | 126 | 13940.3 | 2 | UniProt (P62318) Pfam (PF01423) | Homo sapiens (Human) | Sm-D3,snRNP core protein D3 |
| 7 | G, Q (b, i) | Small nuclear ribonucleoprotein-associated proteins B and B' | polymer | 231 | 23686.0 | 2 | UniProt (P14678) Pfam (PF01423) | Homo sapiens (Human) | snRNP-B,Sm protein B/B',SmB/B' |
| 8 | H, R (c, j) | Small nuclear ribonucleoprotein Sm D1 | polymer | 119 | 13310.7 | 2 | UniProt (P62314) Pfam (PF01423) | Homo sapiens (Human) | Sm-D1,Sm-D autoantigen,snRNP core protein D1 |
| 9 | I, S (d, k) | Small nuclear ribonucleoprotein Sm D2 | polymer | 118 | 13551.9 | 2 | UniProt (P62316) Pfam (PF01423) | Homo sapiens (Human) | Sm-D2,snRNP core protein D2 |
| 10 | J, T (f, m) | Small nuclear ribonucleoprotein F | polymer | 86 | 9734.2 | 2 | UniProt (P62306) Pfam (PF01423) | Homo sapiens (Human) | snRNP-F,Sm protein F,SmF |
| 11 | K, U (e, l) | Small nuclear ribonucleoprotein E | polymer | 92 | 10817.6 | 2 | UniProt (P62304) Pfam (PF01423) | Homo sapiens (Human) | snRNP-E,Sm protein E,SmE |
| 12 | L, V (g, n) | Small nuclear ribonucleoprotein G | polymer | 76 | 8508.1 | 2 | UniProt (P62308) Pfam (PF01423) | Homo sapiens (Human) | snRNP-G,Sm protein G,SmG |
| 13 | M (F) | U6 snRNA | polymer | 107 | 34404.4 | 1 | Homo sapiens (Human) | ||
| 14 | N (G) | pre-mRNA | polymer | 274 | 87892.7 | 1 | unidentified adenovirus | ||
| 15 | O (H) | U2 snRNA | polymer | 188 | 60186.4 | 1 | GenBank (340097) | Homo sapiens (Human) | |
| 16 | W (o) | U2 small nuclear ribonucleoprotein A' | polymer | 255 | 28456.6 | 1 | UniProt (P09661) Pfam (PF14580) | Homo sapiens (Human) | U2 snRNP A' |
| 17 | X (p) | U2 small nuclear ribonucleoprotein B'' | polymer | 225 | 25524.4 | 1 | UniProt (P08579) Pfam (PF00076) | Homo sapiens (Human) | U2 snRNP B'' |
| 18 | Y (w) | Splicing factor 3A subunit 3 | polymer | 501 | 58934.8 | 1 | UniProt (Q12874) Pfam (PF12108) Pfam (PF16837) Pfam (PF13297) Pfam (PF11931) | Homo sapiens (Human) | SF3a60,Spliceosome-associated protein 61,SAP 61 |
| 19 | Z (u) | Splicing factor 3A subunit 1 | polymer | 793 | 88991.1 | 1 | UniProt (Q15459) Pfam (PF01805) Pfam (PF12230) Pfam (PF00240) | Homo sapiens (Human) | SF3a120,Spliceosome-associated protein 114,SAP 114 |
| 20 | AA (v) | Splicing factor 3A subunit 2 | polymer | 464 | 49327.4 | 1 | UniProt (Q15428) Pfam (PF12874) Pfam (PF16835) | Homo sapiens (Human) | SF3a66,Spliceosome-associated protein 62,SAP 62 |
| 21 | BA (1) | Splicing factor 3B subunit 1 | polymer | 1304 | 146024.9 | 1 | UniProt (O75533) Pfam (PF08920) Pfam (PF22646) | Homo sapiens (Human) | Pre-mRNA-splicing factor SF3b 155 kDa subunit,SF3b155,Spliceosome-associated protein 155,SAP 155 |
| 22 | CA (2) | Splicing factor 3B subunit 2 | polymer | 895 | 100377.8 | 1 | UniProt (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 |
| 23 | DA (3) | Splicing factor 3B subunit 3 | polymer | 1217 | 135718.8 | 1 | UniProt (Q15393) Pfam (PF10433) Pfam (PF23726) Pfam (PF03178) | Homo sapiens (Human) | Pre-mRNA-splicing factor SF3b 130 kDa subunit,SF3b130,STAF130,Spliceosome-associated protein 130,SAP 130 |
| 24 | EA (4) | Splicing factor 3B subunit 4 | polymer | 424 | 44436.6 | 1 | UniProt (Q15427) Pfam (PF00076) | Homo sapiens (Human) | Pre-mRNA-splicing factor SF3b 49 kDa subunit,Spliceosome-associated protein 49,SAP 49 |
| 25 | FA (5) | Splicing factor 3B subunit 6 | polymer | 125 | 14606.9 | 1 | UniProt (Q9Y3B4) Pfam (PF00076) | Homo sapiens (Human) | Pre-mRNA branch site protein p14,SF3b 14 kDa subunit,SF3B14a,Spliceosome-associated protein,14-kDa,Splicing factor 3b,subunit 6,14kDa |
| 26 | GA (6) | PHD finger-like domain-containing protein 5A | polymer | 110 | 12427.5 | 1 | UniProt (Q7RTV0) Pfam (PF03660) | Homo sapiens (Human) | PHD finger-like domain protein 5A,Splicing factor 3B-associated 14 kDa protein,SF3b14b |
| 27 | HA (7) | Splicing factor 3B subunit 5 | polymer | 86 | 10149.4 | 1 | UniProt (Q9BWJ5) Pfam (PF07189) | Homo sapiens (Human) | SF3b5,Pre-mRNA-splicing factor SF3b 10 kDa subunit |
| 28 | IA (J) | Crooked neck-like protein 1 | polymer | 848 | 100610.0 | 1 | UniProt (Q9BZJ0) Pfam (PF23231) | Homo sapiens (Human) | Crooked neck homolog,hCrn |
| 29 | JA (L) | Cell division cycle 5-like protein | polymer | 802 | 92406.9 | 1 | UniProt (Q99459) Pfam (PF13921) Pfam (PF11831) | Homo sapiens (Human) | Cdc5-like protein,Pombe cdc5-related protein |
| 30 | KA, LA, MA, NA (q, r, s, t) | Pre-mRNA-processing factor 19 | polymer | 504 | 55245.5 | 4 | UniProt (Q9UMS4) Pfam (PF04564) Pfam (PF08606) Pfam (PF24814) | Homo sapiens (Human) | Nuclear matrix protein 200,PRP19/PSO4 homolog,hPso4,RING-type E3 ubiquitin transferase PRP19,Senescence evasion factor |
| 31 | OA (K) | Pre-mRNA-splicing factor SPF27 | polymer | 225 | 26163.4 | 1 | UniProt (O75934) Pfam (PF05700) | Homo sapiens (Human) | Breast carcinoma-amplified sequence 2,DNA amplified in mammary carcinoma 1 protein,Spliceosome-associated protein SPF 27 |
| 32 | PA (I) | Pre-mRNA-splicing factor SYF1 | polymer | 855 | 100148.7 | 1 | UniProt (Q9HCS7) Pfam (PF23233) Pfam (PF23220) Pfam (PF23231) | Homo sapiens (Human) | Protein HCNP,XPA-binding protein 2 |
| 33 | QA (Q) | Intron-binding protein aquarius | polymer | 1485 | 171502.5 | 1 | UniProt (O60306) Pfam (PF16399) Pfam (PF21143) Pfam (PF21144) Pfam (PF13086) Pfam (PF13087) | Homo sapiens (Human) | Intron-binding protein of 160 kDa,IBP160 |
| 34 | RA (N) | Protein BUD31 homolog | polymer | 144 | 17032.8 | 1 | UniProt (P41223) Pfam (PF01125) | Homo sapiens (Human) | Protein EDG-2,Protein G10 homolog |
| 35 | SA (O) | Pre-mRNA-splicing factor RBM22 | polymer | 420 | 46959.6 | 1 | UniProt (Q9NW64) Pfam (PF21369) Pfam (PF25584) Pfam (PF00076) | Homo sapiens (Human) | RNA-binding motif protein 22,Zinc finger CCCH domain-containing protein 16 |
| 36 | TA (P) | Spliceosome-associated protein CWC15 homolog | polymer | 229 | 26674.4 | 1 | UniProt (Q9P013) Pfam (PF04889) | Homo sapiens (Human) | |
| 37 | UA (R) | Skip | polymer | 540 | 62063.2 | 1 | Homo sapiens (Human) | ||
| 38 | VA (S) | Peptidyl-prolyl cis-trans isomerase-like 1 | polymer | 166 | 18257.8 | 1 | UniProt (Q9Y3C6) Pfam (PF00160) | Homo sapiens (Human) | PPIase,Rotamase PPIL1 |
| 39 | WA (T) | Pleiotropic regulator 1 | polymer | 514 | 57280.8 | 1 | UniProt (O43660) Pfam (PF00400) | Homo sapiens (Human) | |
| 40 | XA (U) | Serine/arginine repetitive matrix protein 2 | polymer | 2752 | 300255.3 | 1 | UniProt (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 |
| 41 | YA (V) | Pre-mRNA-splicing factor CWC22 homolog | polymer | 908 | 105646.6 | 1 | UniProt (Q9HCG8) Pfam (PF02854) Pfam (PF02847) | Homo sapiens (Human) | Nucampholin homolog,fSAPb |
| 42 | ZA (W) | Pre-mRNA-processing factor 17 | polymer | 579 | 65612.2 | 1 | UniProt (O60508) Pfam (PF00400) | Homo sapiens (Human) | Cell division cycle 40 homolog,EH-binding protein 3,Ehb3,PRP17 homolog,hPRP17 |
| 43 | AB (X) | Smad nuclear-interacting protein 1 | polymer | 396 | 45880.7 | 1 | UniProt (Q8TAD8) Pfam (PF00498) | Homo sapiens (Human) | FHA domain-containing protein SNIP1 |
| 44 | BB (Y) | RNA-binding motif protein, X-linked 2 | polymer | 322 | 37426.0 | 1 | UniProt (Q9Y388) Pfam (PF00076) | Homo sapiens (Human) | |
| 45 | CB (Z) | BUD13 homolog | polymer | 619 | 70669.2 | 1 | UniProt (Q9BRD0) Pfam (PF09736) | Homo sapiens (Human) | |
| 46 | DB (x) | Pre-mRNA-splicing factor ATP-dependent RNA helicase DHX16 | polymer | 1041 | 119443.6 | 1 | UniProt (O60231) Pfam (PF00270) Pfam (PF00271) Pfam (PF04408) Pfam (PF21010) Pfam (PF07717) | Homo sapiens (Human) | ATP-dependent RNA helicase #3,DEAH-box protein 16 |
| 47 | EB (y) | Peptidyl-prolyl cis-trans isomerase E | polymer | 301 | 33475.8 | 1 | UniProt (Q9UNP9) Pfam (PF00076) Pfam (PF00160) | Homo sapiens (Human) | PPIase E,Cyclophilin E,Cyclophilin-33,Rotamase E |
| 48 | FB (A) | INOSITOL HEXAKISPHOSPHATE | non-polymer | 660.0 | 1 | Chemie (IHP) | |||
| 49 | GB (A) | ALANINE | non-polymer | 89.1 | 1 | Chemie (ALA) | |||
| 50 | HB (C) | GUANOSINE-5'-TRIPHOSPHATE | non-polymer | 523.2 | 1 | Chemie (GTP) PubChem (177679032) PubChem (135400627) PubChem (135487750) PubChem (136088935) PubChem (136803486) PubChem (135398633) PubChem (135544356) PubChem (135547949) PubChem (135600366) PubChem (135749822) PubChem (136005188) PubChem (136073923) PubChem (136240914) PubChem (136664747) PubChem (136772743) PubChem (136772744) PubChem (136803487) PubChem (137286749) PubChem (164715984) PubChem (171699466) | |||
| 51 | IB, JB, KB, LB, MB... (C, F) | MAGNESIUM ION | non-polymer | 24.3 | 6 | Chemie (MG) PubChem (888) | |||
| 52 | OB, PB, QB, RB, SB... (v, 6, N, O) | ZINC ION | non-polymer | 65.4 | 10 | Chemie (ZN) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 57 |
| Total formula weight | 3508021.6 | |
| Non-Polymers* | Number of molecules | 19 |
| Total formula weight | 2072.2 | |
| All* | Total formula weight | 3510093.8 |






