4KT6 | pdb_00004kt6

High-resolution crystal structure Streptococcus pyogenes beta-NAD+ glycohydrolase in complex with its endogenous inhibitor IFS reveals a water-rich interface


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
DSCOP2B SuperfamilyProtein immunity factor IFS-like 8052673 3002133 SCOP2B (2022-06-29)
BSCOP2 FamilyProtein immunity factor IFS-like 8046043 4004839 SCOP2 (2022-06-29)
BSCOP2 SuperfamilyProtein immunity factor IFS-like 8052673 3002133 SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
DIFSe4kt6D1 A: alpha superhelicesX: Repetitive alpha hairpinsH: Immunity Factor for SPN (From Topology)T: Immunity Factor for SPNF: IFSECOD (1.6)
BIFSe4kt6B1 A: alpha superhelicesX: Repetitive alpha hairpinsH: Immunity Factor for SPN (From Topology)T: Immunity Factor for SPNF: IFSECOD (1.6)
CNADase_NGAe4kt6C1 A: a+b complex topologyX: ADP-ribosylation (From Topology)H: ADP-ribosylation (From Topology)T: ADP-ribosylationF: NADase_NGAECOD (1.6)
ANADase_NGAe4kt6A1 A: a+b complex topologyX: ADP-ribosylation (From Topology)H: ADP-ribosylation (From Topology)T: ADP-ribosylationF: NADase_NGAECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
B, D
PF16718Immunity factor for SPN (IFS)Immunity factor for SPNImmunity factor for SPN (IFS) binds to and inhibits the SPN toxin [1]. Domain
A, C
PF07461NAD glycohydrolase catalytic domain (NADase_NGA)NAD glycohydrolase catalytic domainThis entry represents the C-terminal catalytic domain of NADase from Streptococcus pyogenes. The domain shows structural similarity to ADP-ribosyl transferases but functions as a pure glycohydrolase. It contains conserved ARTT motifs including the c ...This entry represents the C-terminal catalytic domain of NADase from Streptococcus pyogenes. The domain shows structural similarity to ADP-ribosyl transferases but functions as a pure glycohydrolase. It contains conserved ARTT motifs including the catalytically essential Glu391. The domain depletes cellular NAD+ stores and is inhibited by the immunity factor IFS.
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
B, D
Putative uncharacterized protein- - -
A, C
Nicotine adenine dinucleotide glycohydrolase - -