3IHB | pdb_00003ihb

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	COesterase, BD-FAE	e3ihbA2	A: alpha bundles	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: COesterase, BD-FAE	ECOD (develop294)
A	Molybdopterin	e3ihbA4	A: alpha bundles	X: Hsp90 co-chaperone CDC37 middle domain	H: Lysozyme-like	T: Lysozyme-like	F: Molybdopterin	ECOD (develop294)
B	COesterase, BD-FAE	e3ihbB2	A: alpha bundles	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: COesterase, BD-FAE	ECOD (develop294)
B	Molybdopterin	e3ihbB4	A: alpha bundles	X: Hsp90 co-chaperone CDC37 middle domain	H: Lysozyme-like	T: Lysozyme-like	F: Molybdopterin	ECOD (develop294)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.710.10	Alpha Beta	3-Layer(aba) Sandwich	Beta-lactamase	DD-peptidase/beta-lactamase superfamily	CATH (4.3.0)
A	3.30.750.24	Alpha Beta	2-Layer Sandwich	Transcription Regulator spoIIAA	STAS domain	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)
B	3.30.750.24	Alpha Beta	2-Layer Sandwich	Transcription Regulator spoIIAA	STAS domain	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Salt-tolerant glutaminase	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	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 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 cellular process small molecule metabolic process small molecule catabolic process amino acid catabolic process	-

Chains	Accession	Name	Type
A, B	IPR015868	Glutaminase	Family
A, B	IPR036513	STAS domain superfamily	Homologous Superfamily
A, B	IPR012338	Beta-lactamase/transpeptidase-like	Homologous Superfamily
A, B	IPR002645	STAS domain	Domain