6P19
Q21 transcription antitermination complex: loaded complex
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | 1 | DNA (123-MER) fragment carrying phage-21 pR' promoter, pause element, and transcribed region, nontemplate strand | polymer | 123 | 38545.6 | 1 | Phage 21 | ||
2 | 2 | DNA (123-MER) fragment carrying phage-21 pR' promoter, pause element, and transcribed region, template strand | polymer | 123 | 37358.9 | 1 | Phage 21 | ||
3 | A, B | DNA-directed RNA polymerase subunit alpha | polymer | 329 | 36558.7 | 2 | UniProt (P0A7Z4) Pfam (PF01193) Pfam (PF01000) Pfam (PF03118) In PDB | Escherichia coli (strain K12) | RNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha |
4 | 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) In PDB | Escherichia coli (strain K12) | RNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta |
5 | D | DNA-directed RNA polymerase subunit beta' | polymer | 1430 | 158314.9 | 1 | UniProt (P0A8T7) Pfam (PF04997) Pfam (PF00623) Pfam (PF04983) Pfam (PF05000) Pfam (PF04998) In PDB | Escherichia coli (strain K12) | RNAP subunit beta',RNA polymerase subunit beta',Transcriptase subunit beta' |
6 | E | DNA-directed RNA polymerase subunit omega | polymer | 91 | 10249.5 | 1 | UniProt (P0A800) Pfam (PF01192) In PDB | Escherichia coli (strain K12) | RNAP omega subunit,RNA polymerase omega subunit,Transcriptase subunit omega |
7 | Q | Q protein | polymer | 162 | 18668.8 | 1 | UniProt (Q9XJQ6) Pfam (PF06530) In PDB | Phage 21 | Transcription antitermination factor Q21 |
8 | R | Transcribed RNA | polymer | 70 | 22972.6 | 1 | Escherichia coli | transcribed RNA | |
9 | D | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
10 | D | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) |
Sequence modifications
D: 1 - 1407 (UniProt: P0A8T7)
Q: 2 - 162 (UniProt: Q9XJQ6)
PDB | External Database | Details |
---|---|---|
Leu 1408 | - | expression tag |
Glu 1409 | - | expression tag |
Arg 1410 | - | expression tag |
Arg 1411 | - | expression tag |
Ala 1412 | - | expression tag |
Ser 1413 | - | expression tag |
Glu 1414 | - | expression tag |
Asn 1415 | - | expression tag |
Leu 1416 | - | expression tag |
Tyr 1417 | - | expression tag |
Phe 1418 | - | expression tag |
Gln 1419 | - | expression tag |
Gly 1420 | - | expression tag |
His 1421 | - | expression tag |
His 1422 | - | expression tag |
His 1423 | - | expression tag |
His 1424 | - | expression tag |
His 1425 | - | expression tag |
His 1426 | - | expression tag |
His 1427 | - | expression tag |
His 1428 | - | expression tag |
His 1429 | - | expression tag |
His 1430 | - | expression tag |
PDB | External Database | Details |
---|---|---|
Ser 1 | - | expression tag |
Gly 24 | - | insertion |
Trp 26 | His 25 | conflict |
Val 27 | Gly 26 | conflict |
Tyr 28 | Leu 27 | conflict |
Val 47 | Ile 46 | conflict |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 9 |
Total formula weight | 510048.6 | |
Non-Polymers* | Number of molecules | 3 |
Total formula weight | 155.1 | |
All* | Total formula weight | 510203.7 |