3HUG | pdb_00003hug

Crystal structure of Mycobacterium tuberculosis anti-sigma factor RslA in complex with -35 promoter binding domain of sigL


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
TRVPe3hugT1 A: alpha bundlesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: RVPECOD (develop294)
RRVPe3hugR1 A: alpha bundlesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: RVPECOD (develop294)
PRVPe3hugP1 A: alpha bundlesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: RVPECOD (develop294)
NRVPe3hugN1 A: alpha bundlesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: RVPECOD (develop294)
LRVPe3hugL1 A: alpha bundlesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: RVPECOD (develop294)
JRVPe3hugJ1 A: alpha bundlesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: RVPECOD (develop294)
HRVPe3hugH1 A: alpha bundlesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: RVPECOD (develop294)
FRVPe3hugF1 A: alpha bundlesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: RVPECOD (develop294)
DRVPe3hugD1 A: alpha bundlesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: RVPECOD (develop294)
BNotche3hugB1 A: alpha bundlesX: OB-foldH: Nucleic acid-binding proteinT: Nucleic acid-binding proteinF: NotchECOD (develop294)
SRVPe3hugS1 A: alpha bundlesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: RVPECOD (develop294)
QRVPe3hugQ1 A: alpha bundlesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: RVPECOD (develop294)
ORVPe3hugO1 A: alpha bundlesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: RVPECOD (develop294)
MRVPe3hugM1 A: alpha bundlesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: RVPECOD (develop294)
KRVPe3hugK1 A: alpha bundlesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: RVPECOD (develop294)
IRVPe3hugI1 A: alpha bundlesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: RVPECOD (develop294)
GRVPe3hugG1 A: alpha bundlesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: RVPECOD (develop294)
ERVPe3hugE1 A: alpha bundlesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: RVPECOD (develop294)
CRVPe3hugC1 A: alpha bundlesX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: RVPECOD (develop294)
ACMDe3hugA1 A: alpha bundlesX: Immunoglobulin-like beta-sandwichH: sensor domainsT: sensor domainsF: CMDECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
T1.10.10.1320 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Anti-sigma factor, zinc-finger domainCATH (4.3.0)
R1.10.10.1320 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Anti-sigma factor, zinc-finger domainCATH (4.3.0)
P1.10.10.1320 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Anti-sigma factor, zinc-finger domainCATH (4.3.0)
N1.10.10.1320 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Anti-sigma factor, zinc-finger domainCATH (4.3.0)
L1.10.10.1320 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Anti-sigma factor, zinc-finger domainCATH (4.3.0)
J1.10.10.1320 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Anti-sigma factor, zinc-finger domainCATH (4.3.0)
H1.10.10.1320 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Anti-sigma factor, zinc-finger domainCATH (4.3.0)
F1.10.10.1320 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Anti-sigma factor, zinc-finger domainCATH (4.3.0)
D1.10.10.1320 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Anti-sigma factor, zinc-finger domainCATH (4.3.0)
B1.10.10.1320 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Anti-sigma factor, zinc-finger domainCATH (4.3.0)
S1.10.10.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domainCATH (4.3.0)
Q1.10.10.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domainCATH (4.3.0)
O1.10.10.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domainCATH (4.3.0)
M1.10.10.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domainCATH (4.3.0)
K1.10.10.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domainCATH (4.3.0)
I1.10.10.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domainCATH (4.3.0)
G1.10.10.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domainCATH (4.3.0)
E1.10.10.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domainCATH (4.3.0)
C1.10.10.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domainCATH (4.3.0)
A1.10.10.10 Mainly Alpha Orthogonal Bundle Arc Repressor Mutant, subunit A Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domainCATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
B, D, F, H, J
PF13490Putative zinc-finger (zf-HC2)Putative zinc-fingerThis is a putative zinc-finger found in some anti-sigma factor proteins. Domain
A, C, E, G, I
PF04545Sigma-70, region 4 (Sigma70_r4)Sigma-70, region 4Region 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 ...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 families. Therefore there are many false negatives.
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
B, D, F, H, J
PROBABLE CONSERVED MEMBRANE PROTEIN -
A, C, E, G, I
RNA polymerase sigma factor -

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
B, D, F, H, J
IPR041916Anti-sigma factor, zinc-finger domain superfamilyHomologous Superfamily
B, D, F, H, J
IPR051474Anti-sigma-K/W factorFamily
B, D, F, H, J
IPR027383Putative zinc-fingerDomain
A, C, E, G, I
IPR014284RNA polymerase sigma-70-like domainDomain
A, C, E, G, I
IPR007627RNA polymerase sigma-70 region 2Domain
A, C, E, G, I
IPR039425RNA polymerase sigma-70-likeFamily
A, C, E, G, I
IPR013325RNA polymerase sigma factor, region 2Homologous Superfamily
A, C, E, G, I
IPR013324RNA polymerase sigma factor, region 3/4-likeHomologous Superfamily
A, C, E, G, I
IPR036388Winged helix-like DNA-binding domain superfamilyHomologous Superfamily
A, C, E, G, I
IPR000838RNA polymerase sigma factor 70, ECF, conserved siteConserved Site
A, C, E, G, I
IPR007630RNA polymerase sigma-70 region 4Domain