6K4Y
CryoEM structure of sigma appropriation 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 (A, B) | DNA-directed RNA polymerase subunit alpha | polymer | 329 | 36558.7 | 2 | UniProt (P0A7Z4) Pfam (PF01193) Pfam (PF01000) Pfam (PF03118) | Escherichia coli K-12 | RNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha |
| 2 | C (C) | DNA-directed RNA polymerase subunit beta | polymer | 1342 | 150820.9 | 1 | UniProt (P0A8V2) Pfam (PF04560) Pfam (PF04563) Pfam (PF04561) Pfam (PF04565) Pfam (PF10385) Pfam (PF00562) | Escherichia coli K-12 | RNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta |
| 3 | D (D) | DNA-directed RNA polymerase subunit beta' | polymer | 1407 | 155366.8 | 1 | UniProt (P0A8T7) Pfam (PF04997) Pfam (PF00623) Pfam (PF04983) Pfam (PF05000) Pfam (PF04998) | Escherichia coli K-12 | RNAP subunit beta',RNA polymerase subunit beta',Transcriptase subunit beta' |
| 4 | E (E) | DNA-directed RNA polymerase subunit omega | polymer | 91 | 10249.5 | 1 | UniProt (P0A800) Pfam (PF01192) | Escherichia coli K-12 | RNAP omega subunit,RNA polymerase omega subunit,Transcriptase subunit omega |
| 5 | F (F) | RNA polymerase sigma factor RpoD | polymer | 613 | 70352.2 | 1 | UniProt (P00579) Pfam (PF03979) Pfam (PF00140) Pfam (PF04546) Pfam (PF04542) Pfam (PF04539) Pfam (PF04545) | Escherichia coli K-12 | Sigma-70 |
| 6 | G (I) | 10 kDa anti-sigma factor | polymer | 110 | 12775.4 | 1 | UniProt (P32267) Pfam (PF09010) | Enterobacteria phage T4 | 10 kDa RNA polymerase-associated protein,Audrey Stevens' inhibitor |
| 7 | H (M) | Middle transcription regulatory protein motA | polymer | 211 | 23608.3 | 1 | UniProt (P22915) Pfam (PF09114) Pfam (PF09158) | Enterobacteria phage T4 | |
| 8 | I (N) | DNA (60-MER) | polymer | 60 | 18643.0 | 1 | Enterobacteria phage T4 | ||
| 9 | J (T) | DNA (60-MER) | polymer | 60 | 18504.9 | 1 | Enterobacteria phage T4 | ||
| 10 | K (D) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 11 | L, M (D) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) |
Sequence modifications
I: 1 - 90 (UniProt: P32267)
| PDB | External Database | Details |
|---|---|---|
| Met -19 | - | initiating methionine |
| 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 | 10 |
| Total formula weight | 533438.4 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 155.1 | |
| All* | Total formula weight | 533593.5 |
