Annotations: 3SS5

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	EF-hand_1, EF-hand_5, EF-hand_7	e3ss5A16	A: a/b three-layered sandwiches	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: EF-hand_1, EF-hand_5, EF-hand_7	ECOD (v294.1)
B	EF-hand_1, EF-hand_5, EF-hand_7	e3ss5B16	A: a/b three-layered sandwiches	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: EF-hand_1, EF-hand_5, EF-hand_7	ECOD (v294.1)
C	EF-hand_1, IQ, EF-hand_6, EF-hand_7	e3ss5C10	A: a/b three-layered sandwiches	X: Fusion glycoprotein F2	H: RIFT-related	T: double psi	F: EF-hand_1, IQ, EF-hand_6, EF-hand_7	ECOD (v294.1)
D	EF-hand_1, EF-hand_5, EF-hand_7	e3ss5D16	A: a/b three-layered sandwiches	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: EF-hand_1, EF-hand_5, EF-hand_7	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.238.210	Mainly Alpha	Orthogonal Bundle	Recoverin	domain 1	CATH (4.3.0)
A	3.40.710.10	Alpha Beta	3-Layer(aba) Sandwich	Beta-lactamase	DD-peptidase/beta-lactamase superfamily	CATH (4.3.0)
B	1.10.238.210	Mainly Alpha	Orthogonal Bundle	Recoverin	domain 1	CATH (4.3.0)
B	3.40.710.10	Alpha Beta	3-Layer(aba) Sandwich	Beta-lactamase	DD-peptidase/beta-lactamase superfamily	CATH (4.3.0)
C	1.10.238.210	Mainly Alpha	Orthogonal Bundle	Recoverin	domain 1	CATH (4.3.0)
C	3.40.710.10	Alpha Beta	3-Layer(aba) Sandwich	Beta-lactamase	DD-peptidase/beta-lactamase superfamily	CATH (4.3.0)
D	1.10.238.210	Mainly Alpha	Orthogonal Bundle	Recoverin	domain 1	CATH (4.3.0)
D	3.40.710.10	Alpha Beta	3-Layer(aba) Sandwich	Beta-lactamase	DD-peptidase/beta-lactamase superfamily	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF17959	EF-hand domain (EF-hand_14)	EF-hand domain	This EF-hand domain is found at the N-terminus of the human glutaminase enzyme [1].	Domain
A, B, C, D	PF04960	Glutaminase (Glutaminase)	Glutaminase	This family of enzymes deaminates glutamine to glutamate EC:3.5.1.2.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Glutaminase C	hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides glutaminase activity hydrolase activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds identical protein binding protein binding binding	intracellular amino acid homeostasis cellular homeostasis intracellular glutamate homeostasis chemical homeostasis homeostatic process intracellular chemical homeostasis behavior suckling behavior multicellular organismal process feeding behavior trans-synaptic signaling synaptic signaling regulation of biological process signaling intracellular amino acid homeostasis cellular homeostasis intracellular glutamate homeostasis chemical homeostasis homeostatic process intracellular chemical homeostasis behavior suckling behavior multicellular organismal process feeding behavior trans-synaptic signaling synaptic signaling regulation of biological process signaling anterograde trans-synaptic signaling biological regulation cell-cell signaling cellular process chemical synaptic transmission cell communication protein-containing complex organization protein homotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly protein homooligomerization cellular component organization or biogenesis system process nervous system process regulation of system process respiratory gaseous exchange by respiratory system respiratory system process regulation of respiratory gaseous exchange regulation of multicellular organismal process regulation of respiratory system process regulation of respiratory gaseous exchange by nervous system process glutamine metabolic process catabolic process oxoacid metabolic process L-amino acid catabolic process carboxylic acid metabolic process L-glutamine catabolic process amino acid metabolic process primary metabolic process organic acid catabolic process organic acid metabolic process alpha-amino acid metabolic process L-amino acid metabolic process proteinogenic amino acid metabolic process alpha-amino acid catabolic process proteinogenic amino acid catabolic process carboxylic acid catabolic process metabolic process small molecule metabolic process small molecule catabolic process amino acid catabolic process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle synapse cell junction cytosol membrane-enclosed lumen mitochondrial matrix intracellular organelle lumen membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle synapse cell junction cytosol membrane-enclosed lumen mitochondrial matrix intracellular organelle lumen organelle lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR002110	Ankyrin repeat	Repeat
A, B, C, D	IPR012338	Beta-lactamase/transpeptidase-like	Homologous Superfamily
A, B, C, D	IPR036770	Ankyrin repeat-containing domain superfamily	Homologous Superfamily
A, B, C, D	IPR015868	Glutaminase	Family
A, B, C, D	IPR041541	Glutaminase, EF-hand domain	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.