6P18
Q21 transcription antitermination complex: loading 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 (67-MER) fragment carrying phage-21 pR' promoter and pause element, nontemplate strand | polymer | 67 | 20704.3 | 1 | Phage 21 | ||
2 | 2 | DNA (67-MER) fragment carrying phage-21 pR' promoter and pause element, template strand | polymer | 67 | 20588.2 | 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 | F | RNA polymerase sigma factor RpoD | polymer | 627 | 71842.8 | 1 | UniProt (P00579) Pfam (PF03979) Pfam (PF00140) Pfam (PF04546) Pfam (PF04542) Pfam (PF04539) Pfam (PF04545) In PDB | Escherichia coli (strain K12) | Sigma-70 |
8 | P, Q | Q protein | polymer | 162 | 18668.8 | 2 | UniProt (Q9XJQ6) Pfam (PF06530) In PDB | Phage 21 | |
9 | R | RNA (5'-R(P*UP*GP*GP*GP*AP*GP*AP*GP*GP*UP*A)-3') | polymer | 11 | 3626.2 | 1 | Escherichia coli | ||
10 | D | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
11 | D | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) |
Sequence modifications
D: 1 - 1407 (UniProt: P0A8T7)
F: 1 - 613 (UniProt: P00579)
P, 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 |
---|---|---|
Met -13 | - | initiating methionine |
Gly -12 | - | expression tag |
Ser -11 | - | expression tag |
Ser -10 | - | expression tag |
His -9 | - | expression tag |
His -8 | - | expression tag |
His -7 | - | expression tag |
His -6 | - | expression tag |
His -5 | - | expression tag |
His -4 | - | expression tag |
Ser -3 | - | expression tag |
Ser -2 | - | expression tag |
Gly -1 | - | expression tag |
His 0 | - | expression tag |
Cys 541 | Arg 541 | engineered mutation |
Pro 607 | Leu 607 | engineered mutation |
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 | 11 |
Total formula weight | 546601.8 | |
Non-Polymers* | Number of molecules | 3 |
Total formula weight | 155.1 | |
All* | Total formula weight | 546756.9 |