4G7H
Crystal structure of Thermus thermophilus transcription initiation complex
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B, K, L | DNA-directed RNA polymerase subunit alpha | polymer | 315 | 35056.2 | 4 | UniProt (Q5SHR6) Pfam (PF01193) Pfam (PF01000) Pfam (PF03118) In PDB | Thermus thermophilus | RNAP subunit alpha, RNA polymerase subunit alpha, Transcriptase subunit alpha |
2 | C, M | DNA-directed RNA polymerase subunit beta | polymer | 1119 | 125436.5 | 2 | 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, N | DNA-directed RNA polymerase subunit beta' | polymer | 1524 | 170997.4 | 2 | UniProt (Q8RQE8) Pfam (PF04997) Pfam (PF21668) Pfam (PF00623) Pfam (PF04983) Pfam (PF05000) Pfam (PF04998) In PDB | Thermus thermophilus | RNA polymerase beta-prime subunit, RNAP subunit beta', RNA polymerase subunit beta', Transcriptase subunit beta' |
4 | E, O | DNA-directed RNA polymerase subunit omega | polymer | 99 | 11533.3 | 2 | UniProt (Q8RQE7) Pfam (PF01192) In PDB | Thermus thermophilus | RNAP omega subunit, RNA polymerase omega subunit, Transcriptase subunit omega |
5 | F, P | RNA polymerase sigma factor | polymer | 443 | 50769.4 | 2 | UniProt (Q5SKW1) Pfam (PF00140) Pfam (PF04542) Pfam (PF04539) Pfam (PF04545) In PDB | Thermus thermophilus | RNA polymerase principle sigma factor, sigma A |
6 | G, Q | 5'-D(*CP*CP*T*GP*CP*AP*TP*CP*CP*GP*TP*GP*AP*GP*TP*CP*GP*AP*G)-3' | polymer | 19 | 5821.8 | 2 | |||
7 | H, R | 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 | 2 | |||
8 | N, P, B, D, F... | MAGNESIUM ION | non-polymer | 24.3 | 10 | Chemie (MG) | |||
9 | D, N | ZINC ION | non-polymer | 65.4 | 4 | Chemie (ZN) | |||
10 | water | water | 18.0 | 514 | Chemie (HOH) |
Sequence modifications
F, P: 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 | 16 |
Total formula weight | 886184.3 | |
Non-Polymers* | Number of molecules | 14 |
Total formula weight | 504.7 | |
All* | Total formula weight | 886689.0 |