5IYB
Human core-PIC in the open state
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | DNA-directed RNA polymerase II subunit RPB1 | polymer | 1970 | 217420.0 | 1 | UniProt (P24928) Pfam (PF04997) Pfam (PF05001) Pfam (PF00623) Pfam (PF04983) Pfam (PF05000) Pfam (PF04998) Pfam (PF04992) Pfam (PF04990) In PDB | Homo sapiens (Human) | RNA polymerase II subunit B1, DNA-directed RNA polymerase II subunit A, DNA-directed RNA polymerase III largest subunit, RNA-directed RNA polymerase II subunit RPB1 |
| 2 | B | DNA-directed RNA polymerase II subunit RPB2 | polymer | 1174 | 134071.5 | 1 | UniProt (P30876) Pfam (PF04563) Pfam (PF04561) Pfam (PF04565) Pfam (PF04566) Pfam (PF04567) Pfam (PF00562) Pfam (PF04560) In PDB | Homo sapiens (Human) | DNA-directed RNA polymerase II 140 kDa polypeptide, DNA-directed RNA polymerase II subunit B, RNA polymerase II subunit 2, RNA polymerase II subunit B2 |
| 3 | C | DNA-directed RNA polymerase II subunit RPB3 | polymer | 275 | 31478.1 | 1 | UniProt (P19387) Pfam (PF01193) Pfam (PF01000) In PDB | Homo sapiens (Human) | RNA polymerase II subunit B3, DNA-directed RNA polymerase II 33 kDa polypeptide, RPB33, DNA-directed RNA polymerase II subunit C, RPB31 |
| 4 | D | DNA-directed RNA polymerase II subunit RPB4 | polymer | 142 | 16331.3 | 1 | UniProt (O15514) Pfam (PF03874) In PDB | Homo sapiens (Human) | RNA polymerase II subunit B4, DNA-directed RNA polymerase II subunit D, RNA polymerase II 16 kDa subunit, RPB16 |
| 5 | E | DNA-directed RNA polymerase II subunit RPB5 | polymer | 210 | 24584.2 | 1 | UniProt (P19388) Pfam (PF03871) Pfam (PF01191) In PDB | Homo sapiens (Human) | RNA polymerases I,II,and III subunit ABC1, DNA-directed RNA DNA-directed RNA polymerases I, II, and III subunit RPABC1, polymerase II 23 kDa polypeptide, DNA-directed RNA polymerase II subunit E, XAP4 |
| 6 | F | DNA-directed RNA polymerase II subunit RPB6 | polymer | 127 | 14491.0 | 1 | UniProt (P61218) Pfam (PF01192) In PDB | Homo sapiens (Human) | DNA-directed RNA polymerases I, II, and III subunit RPABC2, RNA polymerases I,II,and III subunit ABC2, DNA-directed RNA polymerase II subunit F, DNA-directed RNA polymerases I,and III 14.4 kDa polypeptide, RPABC14.4, RPB14.4, RPC15 |
| 7 | G | DNA-directed RNA polymerase II subunit RPB7 | polymer | 172 | 19314.3 | 1 | UniProt (P62487) Pfam (PF03876) Pfam (PF00575) In PDB | Homo sapiens (Human) | RNA polymerase II subunit B7, DNA-directed RNA polymerase II subunit G, RNA polymerase II 19 kDa subunit, RPB19 |
| 8 | H | DNA-directed RNA polymerase II subunit RPB8 | polymer | 150 | 17162.3 | 1 | UniProt (P52434) Pfam (PF03870) In PDB | Homo sapiens (Human) | DNA-directed RNA polymerases I, II, and III subunit RPABC3, RNA polymerases I,II,and III subunit ABC3, DNA-directed RNA polymerase II subunit H, DNA-directed RNA polymerases I, II, and III 17.1 kDa polypeptide, RPB17, hRPB8 |
| 9 | I | DNA-directed RNA polymerase II subunit RPB9 | polymer | 125 | 14541.2 | 1 | UniProt (P36954) Pfam (PF02150) Pfam (PF01096) In PDB | Homo sapiens (Human) | RNA polymerase II subunit B9, DNA-directed RNA polymerase II subunit I, RNA polymerase II 14.5 kDa subunit, RPB14.5 |
| 10 | J | DNA-directed RNA polymerase II subunit RPB10 | polymer | 67 | 7655.1 | 1 | UniProt (P62875) Pfam (PF01194) In PDB | Homo sapiens (Human) | DNA-directed RNA polymerases I, II, and III subunit RPABC5, RNA polymerases I,II,and III subunit ABC5, DNA-directed RNA polymerase III subunit L, RNA polymerase II 7.6 kDa subunit, RPB7.6 |
| 11 | K | DNA-directed RNA polymerase II subunit RPB11-a | polymer | 117 | 13310.3 | 1 | UniProt (P52435) Pfam (PF13656) Pfam (PF01193) In PDB | Homo sapiens (Human) | RPB11a, DNA-directed RNA polymerase II subunit J-1, RNA polymerase II 13.3 kDa subunit |
| 12 | L | DNA-directed RNA polymerase II subunit RPB12 | polymer | 58 | 7018.2 | 1 | UniProt (P53803) Pfam (PF03604) In PDB | Homo sapiens (Human) | DNA-directed RNA polymerases I, II, and III subunit RPABC4, RNA polymerases I,II,and III subunit ABC4, ABC10-alpha, DNA-directed RNA polymerase II subunit K, RNA polymerase II 7.0 kDa subunit, RPB7.0, RPB10alpha |
| 13 | M | Transcription initiation factor IIB | polymer | 316 | 34877.9 | 1 | UniProt (Q00403) Pfam (PF08271) Pfam (PF00382) In PDB | Homo sapiens (Human) | General transcription factor TFIIB, S300-II |
| 14 | N | Transcription initiation factor IIA subunit 1 | polymer | 376 | 41544.6 | 1 | UniProt (P52655) Pfam (PF03153) In PDB | Homo sapiens (Human) | General transcription factor IIA subunit 1, TFIIAL, Transcription initiation factor TFIIA 42 kDa subunit, TFIIA-42 |
| 15 | O | Transcription initiation factor IIA subunit 2 | polymer | 109 | 12469.1 | 1 | UniProt (P52657) Pfam (PF02268) Pfam (PF02751) In PDB | Homo sapiens (Human) | General transcription factor IIA subunit 2, TFIIA p12 subunit, TFIIAS, Transcription initiation factor IIA gamma chain, TFIIA-gamma |
| 16 | P | TATA-box-binding protein | polymer | 339 | 37729.9 | 1 | UniProt (P20226) Pfam (PF00352) In PDB | Homo sapiens (Human) | TATA sequence-binding protein, TATA-binding factor, TATA-box factor, Transcription initiation factor TFIID TBP subunit |
| 17 | Q | General transcription factor IIE subunit 1 | polymer | 439 | 49516.1 | 1 | UniProt (P29083) Pfam (PF02002) Pfam (PF08271) Pfam (PF11521) In PDB | Homo sapiens (Human) | General transcription factor IIE 56 kDa subunit, Transcription initiation factor IIE subunit alpha, TFIIE-alpha |
| 18 | R | Transcription initiation factor IIE subunit beta | polymer | 291 | 33106.8 | 1 | UniProt (P29084) Pfam (PF02186) Pfam (PF18121) In PDB | Homo sapiens (Human) | TFIIE-beta, General transcription factor IIE subunit 2 |
| 19 | S | General transcription factor IIF subunit 1 | polymer | 517 | 58343.6 | 1 | UniProt (P35269) Pfam (PF05793) In PDB | Homo sapiens (Human) | General transcription factor IIF 74 kDa subunit, Transcription initiation factor IIF subunit alpha, TFIIF-alpha, Transcription initiation factor RAP74 |
| 20 | T | General transcription factor IIF subunit 2 | polymer | 249 | 28427.3 | 1 | UniProt (P13984) Pfam (PF17683) Pfam (PF02270) In PDB | Homo sapiens (Human) | ATP-dependent helicase GTF2F2, General transcription factor IIF 30 kDa subunit, Transcription initiation factor IIF subunit beta, TFIIF-beta, Transcription initiation factor RAP30 |
| 21 | U | Transcription elongation factor A protein 1 | polymer | 301 | 34022.7 | 1 | UniProt (P23193) Pfam (PF08711) Pfam (PF07500) Pfam (PF01096) In PDB | Homo sapiens (Human) | Transcription elongation factor S-II protein 1, Transcription elongation factor TFIIS.o |
| 22 | X | SCP-X | polymer | 75 | 23372.9 | 1 | Homo sapiens | ||
| 23 | Y | SCP-Y | polymer | 75 | 22908.6 | 1 | Homo sapiens | ||
| 24 | U, A | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 25 | B, C, I, J, L... | ZINC ION | non-polymer | 65.4 | 11 | Chemie (ZN) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 23 |
| Total formula weight | 893697.1 | |
| Non-Polymers* | Number of molecules | 13 |
| Total formula weight | 768.1 | |
| All* | Total formula weight | 894465.3 |
