Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2 FamilyGlutaminase 8020486 4003774 SCOP2 (2022-06-29)
ASCOP2 Superfamilybeta-lactamase/transpeptidase-like 8032866 3001604 SCOP2 (2022-06-29)
BSCOP2B Superfamilybeta-lactamase/transpeptidase-like 8032866 3001604 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AGlutaminase_2nde1mkiA1 A: alpha complex topologyX: alpha-helical domain in beta-lactamase/transpeptidase-like proteins (From Topology)H: alpha-helical domain in beta-lactamase/transpeptidase-like proteins (From Topology)T: alpha-helical domain in beta-lactamase/transpeptidase-like proteinsF: Glutaminase_2ndECOD (1.6)
AGlutaminase_1ste1mkiA2 A: a+b three layersX: Profilin-likeH: a+b domain in beta-lactamase/transpeptidase-like proteins (From Topology)T: a+b domain in beta-lactamase/transpeptidase-like proteinsF: Glutaminase_1stECOD (1.6)
BGlutaminase_2nde1mkiB1 A: alpha complex topologyX: alpha-helical domain in beta-lactamase/transpeptidase-like proteins (From Topology)H: alpha-helical domain in beta-lactamase/transpeptidase-like proteins (From Topology)T: alpha-helical domain in beta-lactamase/transpeptidase-like proteinsF: Glutaminase_2ndECOD (1.6)
BGlutaminase_1ste1mkiB2 A: a+b three layersX: Profilin-likeH: a+b domain in beta-lactamase/transpeptidase-like proteins (From Topology)T: a+b domain in beta-lactamase/transpeptidase-like proteinsF: Glutaminase_1stECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF04960Glutaminase (Glutaminase)GlutaminaseThis family of enzymes deaminates glutamine to glutamate EC:3.5.1.2.Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
Probable Glutaminase ybgJ -

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B
IPR015868GlutaminaseFamily
A, B
IPR012338Beta-lactamase/transpeptidase-likeHomologous Superfamily

Protein Modification Annotation

Modified Residue(s)
ChainResidue(s)Description
A, B
MSE Parent Component: MET

A, B
SEP Parent Component: SER

RESIDAA0037

PSI-MOD :  O-phospho-L-serine MOD:00046

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

ChainsEnzyme NameDescriptionCatalytic Residues
glutaminase  M-CSA #301

Glutaminases (EC:3.5.1.2) deaminate glutamine to glutamate. In Bacillus subtilis, glutaminase is encoded by glnA, which is part of an operon, glnA-glnT (formerly ybgJ-ybgH), where glnT encodes a glutamine transporter. The glnA-glnT operon is regulated by the 2-component system GlnK-GlnL in response to glutamine [PMID:15995196].

Defined by 5 residues: SER:A-77 [auth A-74]LYS:A-80 [auth A-77]TYR:A-204 [auth A-201]TYR:A-256 [auth A-253]VAL:A-274 [auth A-271]
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Explore in 3DM-CSA Motif Definition