2P7V
Crystal structure of the Escherichia coli regulator of sigma 70, Rsd, in complex with sigma 70 domain 4
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Chains | Domain Info | Class | Fold | Superfamily | Family | Domain | Species | Provenance Source (Version) |
---|---|---|---|---|---|---|---|---|
B | d2p7vb_ | All alpha proteins | DNA/RNA-binding 3-helical bundle | Sigma3 and sigma4 domains of RNA polymerase sigma factors | Sigma4 domain | Sigma70 (SigA, RpoD) | (Escherichia coli ) [TaxId: 562 ], | SCOPe (2.08) |
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
---|---|---|---|---|---|
A | SCOP2 Family | Rsd/AlgQ-like | 8045786 | 4004685 | SCOP2 (2022-06-29) |
A | SCOP2 Superfamily | Rsd/AlgQ-like | 8092079 | 3002560 | SCOP2 (2022-06-29) |
B | SCOP2 Family | Sigma4 domain | 8023072 | 4003503 | SCOP2 (2022-06-29) |
B | SCOP2 Superfamily | Sigma factor domain-like | 8035452 | 3000953 | SCOP2 (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
---|---|---|---|---|---|---|---|---|
A | Rsd_AlgQ | e2p7vA1 | A: alpha bundles | X: Four-helical up-and-down bundle | H: Regulator of RNA polymerase sigma(70) subunit, Rsd/AlgQ (From Topology) | T: Regulator of RNA polymerase sigma(70) subunit, Rsd/AlgQ | F: Rsd_AlgQ | ECOD (1.6) |
B | Sigma70_r4 | e2p7vB1 | A: alpha arrays | X: HTH | H: HTH | T: tri-helical | F: Sigma70_r4 | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
---|---|---|---|---|---|---|
A | 1.20.120.1370 | Mainly Alpha | Up-down Bundle | Four Helix Bundle (Hemerythrin (Met), subunit A) | Regulator of RNA polymerase sigma(70) subunit, domain 4 | CATH (4.3.0) |
B | 1.10.10.10 | Mainly Alpha | Orthogonal Bundle | Arc Repressor Mutant, subunit A | Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain | CATH (4.3.0) |
Protein Family Annotation Pfam Database Homepage
Chains | Accession | Name | Description | Comments | Source |
---|---|---|---|---|---|
PF04353 | Regulator of RNA polymerase sigma(70) subunit, Rsd/AlgQ (Rsd_AlgQ) | Regulator of RNA polymerase sigma(70) subunit, Rsd/AlgQ | - | Family | |
PF04545 | Sigma-70, region 4 (Sigma70_r4) | Sigma-70, region 4 | Region 4 of sigma-70 like sigma-factors are involved in binding to the -35 promoter element via a helix-turn-helix motif [1]. Due to the way Pfam works, the threshold has been set artificially high to prevent overlaps with other helix-turn-helix fami ... | Domain |