7Z8Q
Cryo-EM structure of Mycobacterium tuberculosis RNA polymerase core
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 | 347 | 37745.3 | 2 | UniProt (P9WGZ1) Pfam (PF01193) Pfam (PF01000) Pfam (PF03118) In PDB | Mycobacterium tuberculosis H37Rv | RNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha |
2 | c | DNA-directed RNA polymerase subunit beta | polymer | 1174 | 129602.3 | 1 | UniProt (P9WGY9) Pfam (PF04563) Pfam (PF04561) Pfam (PF04565) Pfam (PF10385) Pfam (PF00562) Pfam (PF04560) In PDB | Mycobacterium tuberculosis H37Rv | RNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta |
3 | d | DNA-directed RNA polymerase subunit beta' | polymer | 1319 | 147438.3 | 1 | UniProt (P9WGY7) Pfam (PF04997) Pfam (PF00623) Pfam (PF04983) Pfam (PF05000) Pfam (PF04998) In PDB | Mycobacterium tuberculosis H37Rv | RNAP subunit beta',RNA polymerase subunit beta',Transcriptase subunit beta' |
4 | e | DNA-directed RNA polymerase subunit omega | polymer | 110 | 11851.1 | 1 | UniProt (P9WGY5) Pfam (PF01192) In PDB | Mycobacterium tuberculosis H37Rv | RNAP omega subunit,RNA polymerase omega subunit,Transcriptase subunit omega |
5 | d | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
6 | d | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) |
Sequence modifications
c: 6 - 1178 (UniProt: P9WGY9)
d: 4 - 1316 (UniProt: P9WGY7)
PDB | External Database | Details |
---|---|---|
Met 5 | - | initiating methionine |
Val 6 | Ile 6 | conflict |
PDB | External Database | Details |
---|---|---|
His 1317 | - | expression tag |
His 1318 | - | expression tag |
His 1319 | - | expression tag |
His 1320 | - | expression tag |
His 1321 | - | expression tag |
His 1322 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 5 |
Total formula weight | 364382.5 | |
Non-Polymers* | Number of molecules | 3 |
Total formula weight | 155.1 | |
All* | Total formula weight | 364537.6 |