6QW6
Structure of the human U5.U4/U6 tri-snRNP at 2.9A resolution.
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 (X) | U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein | polymer | 155 | 18915.4 | 1 | UniProt (Q8WVK2) Pfam (PF08648) | Homo sapiens (Human) | U4/U6.U5-27K,Nucleic acid-binding protein RY-1,U4/U6.U5 tri-snRNP-associated 27 kDa protein,27K,U4/U6.U5 tri-snRNP-associated protein 3 |
| 2 | B (4) | U4 snRNA | polymer | 146 | 46997.7 | 1 | Homo sapiens (Human) | ||
| 3 | C, O (41, 51) | 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 |
| 4 | D, P (42, 52) | Small nuclear ribonucleoprotein Sm D2 | polymer | 118 | 13551.9 | 2 | UniProt (P62316) Pfam (PF01423) | Homo sapiens (Human) | Sm-D2,snRNP core protein D2 |
| 5 | E, Q (43, 53) | Small nuclear ribonucleoprotein Sm D3 | polymer | 126 | 13940.3 | 2 | UniProt (P62318) Pfam (PF01423) | Homo sapiens (Human) | Sm-D3,snRNP core protein D3 |
| 6 | F (4A) | U4/U6 small nuclear ribonucleoprotein Prp3 | polymer | 683 | 77669.2 | 1 | UniProt (O43395) Pfam (PF01480) Pfam (PF08572) Pfam (PF06544) | Homo sapiens (Human) | Pre-mRNA-splicing factor 3,hPrp3,U4/U6 snRNP 90 kDa protein |
| 7 | G (4B) | U4/U6 small nuclear ribonucleoprotein Prp4 | polymer | 522 | 58536.1 | 1 | UniProt (O43172) Pfam (PF00400) Pfam (PF08799) | Homo sapiens (Human) | PRP4 homolog,hPrp4,U4/U6 snRNP 60 kDa protein,WD splicing factor Prp4 |
| 8 | H (4C) | U4/U6 small nuclear ribonucleoprotein Prp31 | polymer | 499 | 55529.0 | 1 | UniProt (Q8WWY3) Pfam (PF01798) Pfam (PF09785) | Homo sapiens (Human) | Pre-mRNA-processing factor 31,Serologically defined breast cancer antigen NY-BR-99,U4/U6 snRNP 61 kDa protein,hPrp31 |
| 9 | I (4D) | NHP2-like protein 1 | polymer | 128 | 14191.5 | 1 | UniProt (P55769) Pfam (PF01248) | Homo sapiens (Human) | High mobility group-like nuclear protein 2 homolog 1,OTK27,SNU13 homolog,hSNU13,U4/U6.U5 small nuclear ribonucleoprotein SNU13,U4/U6.U5 tri-snRNP 15.5 kDa protein |
| 10 | J, Y (4b, 5b) | Small nuclear ribonucleoprotein-associated proteins B and B' | polymer | 240 | 24642.1 | 2 | UniProt (P14678) Pfam (PF01423) | Homo sapiens (Human) | snRNP-B,Sm protein B/B',SmB/B' |
| 11 | K, Z (4e, 5e) | Small nuclear ribonucleoprotein E | polymer | 92 | 10817.6 | 2 | UniProt (P62304) Pfam (PF01423) | Homo sapiens (Human) | snRNP-E,Sm protein E,SmE |
| 12 | AA, L (4f, 5f) | Small nuclear ribonucleoprotein F | polymer | 86 | 9734.2 | 2 | UniProt (P62306) Pfam (PF01423) | Homo sapiens (Human) | snRNP-F,Sm protein F,SmF |
| 13 | BA, M (4g, 5g) | Small nuclear ribonucleoprotein G | polymer | 76 | 8508.1 | 2 | UniProt (P62308) Pfam (PF01423) | Homo sapiens (Human) | snRNP-G,Sm protein G,SmG |
| 14 | N (5) | U5 snRNA | polymer | 117 | 37254.9 | 1 | Homo sapiens (Human) | ||
| 15 | R (5A) | Pre-mRNA-processing-splicing factor 8 | polymer | 2311 | 271508.3 | 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 |
| 16 | S (5B) | 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 |
| 17 | T (5C) | 116 kDa U5 small nuclear ribonucleoprotein component | polymer | 853 | 95836.8 | 1 | UniProt (Q15029) 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 |
| 18 | U (5D) | Thioredoxin-like protein 4A | polymer | 142 | 16807.3 | 1 | UniProt (P83876) Pfam (PF02966) | Homo sapiens (Human) | DIM1 protein homolog,Spliceosomal U5 snRNP-specific 15 kDa protein,Thioredoxin-like U5 snRNP protein U5-15kD |
| 19 | V (5J) | Pre-mRNA-processing factor 6 | polymer | 941 | 107092.2 | 1 | UniProt (O94906) Pfam (PF06424) Pfam (PF14559) Pfam (PF13432) | Homo sapiens (Human) | Androgen receptor N-terminal domain-transactivating protein 1,ANT-1,PRP6 homolog,U5 snRNP-associated 102 kDa protein,U5-102 kDa protein |
| 20 | W (5O) | 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 |
| 21 | X (5X) | Probable ATP-dependent RNA helicase DDX23 | polymer | 820 | 95785.1 | 1 | UniProt (Q9BUQ8) Pfam (PF25430) Pfam (PF00270) Pfam (PF00271) | Homo sapiens (Human) | 100 kDa U5 snRNP-specific protein,DEAD box protein 23,PRP28 homolog,U5-100kD |
| 22 | CA (6) | U6 snRNA | polymer | 88 | 28342.9 | 1 | Homo sapiens (Human) | ||
| 23 | DA (62) | U6 snRNA-associated Sm-like protein LSm2 | polymer | 95 | 10847.5 | 1 | UniProt (Q9Y333) Pfam (PF01423) | Homo sapiens (Human) | Protein G7b,Small nuclear ribonuclear protein D homolog,snRNP core Sm-like protein Sm-x5 |
| 24 | EA (63) | U6 snRNA-associated Sm-like protein LSm3 | polymer | 102 | 11859.4 | 1 | UniProt (P62310) Pfam (PF01423) | Homo sapiens (Human) | |
| 25 | FA (64) | U6 snRNA-associated Sm-like protein LSm4 | polymer | 139 | 15375.8 | 1 | UniProt (Q9Y4Z0) Pfam (PF01423) | Homo sapiens (Human) | Glycine-rich protein,GRP |
| 26 | GA (65) | U6 snRNA-associated Sm-like protein LSm5 | polymer | 91 | 9945.4 | 1 | UniProt (Q9Y4Y9) Pfam (PF01423) | Homo sapiens (Human) | |
| 27 | HA (66) | U6 snRNA-associated Sm-like protein LSm6 | polymer | 80 | 9139.6 | 1 | UniProt (P62312) Pfam (PF01423) | Homo sapiens (Human) | |
| 28 | IA (67) | U6 snRNA-associated Sm-like protein LSm7 | polymer | 103 | 11617.4 | 1 | UniProt (Q9UK45) Pfam (PF01423) | Homo sapiens (Human) | |
| 29 | JA (68) | U6 snRNA-associated Sm-like protein LSm8 | polymer | 96 | 10410.6 | 1 | UniProt (O95777) Pfam (PF01423) | Homo sapiens (Human) | |
| 30 | KA (R) | RNA-binding protein 42 | polymer | 480 | 50477.9 | 1 | UniProt (Q9BTD8) Pfam (PF00076) | Homo sapiens (Human) | RNA-binding motif protein 42 |
| 31 | LA (S) | U4/U6.U5 tri-snRNP-associated protein 1 | polymer | 800 | 90414.1 | 1 | UniProt (O43290) Pfam (PF19252) Pfam (PF03343) | Homo sapiens (Human) | SNU66 homolog,hSnu66,Squamous cell carcinoma antigen recognized by T-cells 1,hSART-1,U4/U6.U5 tri-snRNP-associated 110 kDa protein |
| 32 | MA (U) | U4/U6.U5 tri-snRNP-associated protein 2 | polymer | 555 | 64408.4 | 1 | UniProt (Q53GS9) Pfam (PF02148) Pfam (PF00443) | Homo sapiens (Human) | Inactive ubiquitin-specific peptidase 39,SAD1 homolog,U4/U6.U5 tri-snRNP-associated 65 kDa protein,65K |
| 33 | NA (5A) | INOSITOL HEXAKISPHOSPHATE | non-polymer | 660.0 | 1 | Chemie (IHP) | |||
| 34 | OA (5C) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) PubChem (888) | |||
| 35 | PA (5C) | 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) | |||
| 36 | QA (U) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 39 |
| Total formula weight | 1682155.3 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 1272.9 | |
| All* | Total formula weight | 1683428.3 |






