4OIO
Crystal structure of Thermus thermophilus pre-insertion substrate complex for de novo transcription initiation
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | DNA-directed RNA polymerase subunit alpha | polymer | 315 | 35056.2 | 2 | UniProt (Q5SHR6) Pfam (PF01193) Pfam (PF01000) Pfam (PF03118) In PDB | Thermus thermophilus | RNAP subunit alpha, RNA polymerase subunit alpha, Transcriptase subunit alpha |
| 2 | C | DNA-directed RNA polymerase subunit beta | polymer | 1119 | 125436.5 | 1 | UniProt (Q8RQE9) Pfam (PF04563) Pfam (PF04561) Pfam (PF04565) Pfam (PF10385) Pfam (PF00562) Pfam (PF04560) In PDB | Thermus thermophilus | RNAP subunit beta, RNA polymerase subunit beta, Transcriptase subunit beta |
| 3 | D | DNA-directed RNA polymerase subunit beta' | polymer | 1524 | 170997.4 | 1 | UniProt (Q8RQE8) Pfam (PF04997) Pfam (PF21668) Pfam (PF00623) Pfam (PF04983) Pfam (PF05000) Pfam (PF04998) In PDB | Thermus thermophilus | RNAP subunit beta', RNA polymerase subunit beta', Transcriptase subunit beta' |
| 4 | E | DNA-directed RNA polymerase subunit omega | polymer | 99 | 11533.3 | 1 | UniProt (Q8RQE7) Pfam (PF01192) In PDB | Thermus thermophilus | RNAP omega subunit, RNA polymerase omega subunit, Transcriptase subunit omega |
| 5 | F | DNA directed RNA polymerase sigma factor A | polymer | 443 | 50769.4 | 1 | UniProt (Q5SKW1) Pfam (PF00140) Pfam (PF04542) Pfam (PF04539) Pfam (PF04545) In PDB | Thermus thermophilus | RNA polymerase sigma factor |
| 6 | G | 5'-D(*CP*CP*TP*GP*CP*AP*TP*CP*CP*GP*TP*GP*AP*GP*TP*CP*GP*AP*GP*GP*G)-3' | polymer | 21 | 6480.2 | 1 | |||
| 7 | H | 5'-D(*TP*AP*TP*AP*AP*TP*GP*GP*GP*AP*GP*CP*TP*GP*TP*CP*AP*CP*GP*GP*AP*TP*GP*CP*AP*GP*G)-3' | polymer | 27 | 8421.4 | 1 | |||
| 8 | D | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 9 | D | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 10 | D | ADENOSINE-5'-TRIPHOSPHATE | non-polymer | 507.2 | 1 | Chemie (ATP) | |||
| 11 | D | 5'-O-[(S)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]methyl}phosphoryl]cytidine | non-polymer | 481.2 | 1 | Chemie (2TM) | |||
| 12 | water | water | 18.0 | 215 | Chemie (HOH) |
Sequence modifications
F: 1 - 423 (UniProt: Q5SKW1)
| PDB | External Database | Details |
|---|---|---|
| Met -19 | - | expression tag |
| Gly -18 | - | expression tag |
| Ser -17 | - | expression tag |
| Ser -16 | - | expression tag |
| His -15 | - | expression tag |
| His -14 | - | expression tag |
| His -13 | - | expression tag |
| His -12 | - | expression tag |
| His -11 | - | expression tag |
| His -10 | - | expression tag |
| Ser -9 | - | expression tag |
| Ser -8 | - | expression tag |
| Gly -7 | - | expression tag |
| Leu -6 | - | expression tag |
| Val -5 | - | expression tag |
| Pro -4 | - | expression tag |
| Arg -3 | - | expression tag |
| Gly -2 | - | expression tag |
| Ser -1 | - | expression tag |
| His 0 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 8 |
| Total formula weight | 443750.6 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 1167.8 | |
| All* | Total formula weight | 444918.4 |
