6FF4
human Bact spliceosome core structure
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (1) | RNA-binding motif protein, X-linked 2 | polymer | 322 | 37426.0 | 1 | UniProt (Q9Y388) Pfam (PF00076) | Homo sapiens (Human) | |
| 2 | B (2) | U2 snRNA | polymer | 188 | 60186.4 | 1 | GenBank (36516) | Homo sapiens | |
| 3 | C (3) | BUD13 homolog | polymer | 619 | 70669.2 | 1 | UniProt (Q9BRD0) Pfam (PF09736) | Homo sapiens (Human) | |
| 4 | D (5) | U5 snRNA | polymer | 116 | 36908.7 | 1 | GenBank (36515) | Homo sapiens | |
| 5 | E (6) | U6 snRNA | polymer | 107 | 34404.4 | 1 | Homo sapiens | ||
| 6 | F (7) | 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 |
| 7 | G (8) | 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 |
| 8 | H (A) | Pre-mRNA-processing-splicing factor 8 | polymer | 2335 | 273974.3 | 1 | UniProt (Q6P2Q9) Pfam (PF10598) Pfam (PF10597) Pfam (PF10596) Pfam (PF12134) Pfam (PF01398) Pfam (PF08084) Pfam (PF08082) Pfam (PF08083) | Homo sapiens (Human) | 220 kDa U5 snRNP-specific protein,PRP8 homolog,Splicing factor Prp8,p220 |
| 9 | I (B) | 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 |
| 10 | J (C) | SNW domain-containing protein 1 | polymer | 536 | 61610.7 | 1 | UniProt (Q13573) Pfam (PF02731) | Homo sapiens (Human) | Nuclear protein SkiP,Nuclear receptor coactivator NCoA-62,Ski-interacting protein |
| 11 | K (D) | Pleiotropic regulator 1 | polymer | 514 | 57280.8 | 1 | UniProt (O43660) Pfam (PF00400) | Homo sapiens (Human) | |
| 12 | L (E) | 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 |
| 13 | M (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 |
| 14 | N (O) | Crooked neck-like protein 1 | polymer | 848 | 100610.0 | 1 | UniProt (Q9BZJ0) Pfam (PF23231) | Homo sapiens (Human) | Crooked neck homolog,hCrn |
| 15 | O (P) | 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 |
| 16 | P (Q) | Protein BUD31 homolog | polymer | 144 | 17032.8 | 1 | UniProt (P41223) Pfam (PF01125) | Homo sapiens (Human) | Protein EDG-2,Protein G10 homolog |
| 17 | Q (R) | Spliceosome-associated protein CWC15 homolog | polymer | 229 | 26674.4 | 1 | UniProt (Q9P013) Pfam (PF04889) | Homo sapiens (Human) | |
| 18 | R (S) | 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 |
| 19 | S (V) | Peptidyl-prolyl cis-trans isomerase-like 1 | polymer | 166 | 18257.8 | 1 | UniProt (Q9Y3C6) Pfam (PF00160) | Homo sapiens (Human) | PPIase,Rotamase PPIL1 |
| 20 | T (Y) | Serine/arginine repetitive matrix protein 1 | polymer | 904 | 102600.5 | 1 | UniProt (Q8IYB3) Pfam (PF01480) | Homo sapiens (Human) | SR-related nuclear matrix protein of 160 kDa,SRm160,Ser/Arg-related nuclear matrix protein |
| 21 | U (Z) | pre mRNA | polymer | 478 | 153788.0 | 1 | Homo sapiens | ||
| 22 | V (s) | Peptidyl-prolyl cis-trans isomerase CWC27 homolog | polymer | 472 | 53941.2 | 1 | UniProt (Q6UX04) Pfam (PF00160) | Homo sapiens (Human) | PPIase CWC27,Antigen NY-CO-10,Serologically defined colon cancer antigen 10 |
| 23 | W (t) | RING finger protein 113A | polymer | 343 | 38847.2 | 1 | UniProt (O15541) Pfam (PF00642) Pfam (PF13920) | Homo sapiens (Human) | Zinc finger protein 183 |
| 24 | X (u) | 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 |
| 25 | Y (v) | 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 |
| 26 | Z (x) | 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 |
| 27 | AA (y) | 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 |
| 28 | BA (z) | 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 |
| 29 | CA, DA, EA, FA (6) | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) PubChem (888) | |||
| 30 | GA (A) | INOSITOL HEXAKISPHOSPHATE | non-polymer | 660.0 | 1 | Chemie (IHP) | |||
| 31 | HA (B) | 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) | |||
| 32 | IA, JA, KA, LA, MA... (P, Q, t, y) | ZINC ION | non-polymer | 65.4 | 10 | Chemie (ZN) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 28 |
| Total formula weight | 2227639.8 | |
| Non-Polymers* | Number of molecules | 16 |
| Total formula weight | 1934.5 | |
| All* | Total formula weight | 2229574.3 |
