7MKD
Cryo-EM structure of Escherichia coli RNA polymerase bound to lambda PR promoter DNA (class 1)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | G, H, R | DNA-directed RNA polymerase subunit alpha | polymer | 329 | 36558.7 | 3 | UniProt (A0A073G207) Pfam (PF01193) Pfam (PF01000) Pfam (PF03118) UniProt (by SIFTS) (P0A7Z4) In PDB | Escherichia coli | RNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha |
| 2 | I | DNA-directed RNA polymerase subunit beta | polymer | 1342 | 150820.9 | 1 | UniProt (P0A8V4) Pfam (PF04560) Pfam (PF04563) Pfam (PF04561) Pfam (PF04565) Pfam (PF10385) Pfam (PF00562) UniProt (by SIFTS) (P0A8V2) In PDB | Escherichia coli | RNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta |
| 3 | J | DNA-directed RNA polymerase subunit beta' | polymer | 1407 | 155366.8 | 1 | UniProt (A0A4S1NBU2) Pfam (PF04997) Pfam (PF00623) Pfam (PF04983) Pfam (PF05000) Pfam (PF04998) UniProt (by SIFTS) (P0A8T7) In PDB | Escherichia coli | RNAP subunit beta',RNA polymerase subunit beta',Transcriptase subunit beta' |
| 4 | K | DNA-directed RNA polymerase subunit omega | polymer | 91 | 10249.5 | 1 | UniProt (P0A802) Pfam (PF01192) UniProt (by SIFTS) (P0A800) In PDB | Escherichia coli | RNAP omega subunit,RNA polymerase omega subunit,Transcriptase subunit omega |
| 5 | L | RNA polymerase sigma factor RpoD | polymer | 613 | 70352.2 | 1 | UniProt (Q0P6L9) Pfam (PF03979) Pfam (PF00140) Pfam (PF04546) Pfam (PF04542) Pfam (PF04539) Pfam (PF04545) UniProt (by SIFTS) (P00579) In PDB | Escherichia coli | Sigma-70 |
| 6 | P | Nontemplate strand of lambda PR promoter DNA | polymer | 90 | 27881.8 | 1 | Escherichia virus Lambda | ||
| 7 | Q | Template strand of lambda PR promoter DNA | polymer | 90 | 27633.7 | 1 | Escherichia virus Lambda | ||
| 8 | I, Q | CHAPSO | non-polymer | 631.9 | 3 | Chemie (1N7) | |||
| 9 | J | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 10 | J | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) |
Sequence modifications
J: 1 - 1407 (UniProt: A0A4S1NBU2)
| PDB | External Database | Details |
|---|---|---|
| Val 1384 | Met 1384 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 9 |
| Total formula weight | 551981.0 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 2050.8 | |
| All* | Total formula weight | 554031.8 |
