3BTN | pdb_00003btn

Crystal structure of antizyme inhibitor, an ornithine decarboxylase homologous protein

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A		e3btnA1	A: HTH	X: HTH	H: winged helix domain	T: RB_A	F:	ECOD (20:10:01)
B		e3btnB5	A: Subtilisin-like	X: Subtilisin-like	H: Subtilisin-like	T: V-set	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.37.10	Mainly Beta	Beta Barrel	Lyase, Ornithine Decarboxylase	Chain A, domain 1	CATH (4.3.0)
A	3.20.20.10	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Alanine racemase	CATH (4.3.0)
B	2.40.37.10	Mainly Beta	Beta Barrel	Lyase, Ornithine Decarboxylase	Chain A, domain 1	CATH (4.3.0)
B	3.20.20.10	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Alanine racemase	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02784	Pyridoxal-dependent decarboxylase, pyridoxal binding domain (Orn_Arg_deC_N)	Pyridoxal-dependent decarboxylase, pyridoxal binding domain	These pyridoxal-dependent decarboxylases acting on ornithine, lysine, arginine and related substrates This domain has a TIM barrel fold.	Domain
A, B	PF00278	Pyridoxal-dependent decarboxylase, C-terminal sheet domain (Orn_DAP_Arg_deC)	Pyridoxal-dependent decarboxylase, C-terminal sheet domain	These pyridoxal-dependent decarboxylases act on ornithine, lysine, arginine and related substrates.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Antizyme inhibitor 1	ornithine decarboxylase activator activity enzyme regulator activity enzyme activator activity ornithine decarboxylase regulator activity molecular function activator activity molecular function regulator activity ornithine decarboxylase activity carboxy-lyase activity lyase activity catalytic activity carbon-carbon lyase activity	amine metabolic process metabolic process cellular process polyamine metabolic process biogenic amine metabolic process oxoacid metabolic process amino acid metabolic process organic acid metabolic process alpha-amino acid metabolic process arginine metabolic process biogenic amine biosynthetic process putrescine metabolic process small molecule metabolic process putrescine biosynthetic process from arginine, via ornithine amine metabolic process metabolic process cellular process polyamine metabolic process biogenic amine metabolic process oxoacid metabolic process amino acid metabolic process organic acid metabolic process alpha-amino acid metabolic process arginine metabolic process biogenic amine biosynthetic process putrescine metabolic process small molecule metabolic process putrescine biosynthetic process from arginine, via ornithine carboxylic acid metabolic process primary metabolic process L-amino acid metabolic process putrescine biosynthetic process proteinogenic amino acid metabolic process biosynthetic process amine biosynthetic process polyamine biosynthetic process putrescine biosynthetic process from arginine regulation of cellular process regulation of cellular component organization positive regulation of centrosome duplication microtubule cytoskeleton organization positive regulation of biological process cellular component organization centrosome duplication centrosome cycle positive regulation of cell cycle process cell cycle cellular component organization or biogenesis regulation of cell cycle positive regulation of cellular process cell cycle process regulation of biological process microtubule organizing center organization regulation of centrosome cycle regulation of cell cycle process biological regulation regulation of microtubule-based process positive regulation of cell cycle organelle organization regulation of centrosome duplication microtubule-based process cytoskeleton organization catabolic process negative regulation of biological process macromolecule catabolic process negative regulation of protein catabolic process regulation of primary metabolic process negative regulation of cellular process protein metabolic process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process negative regulation of catabolic process regulation of protein metabolic process negative regulation of metabolic process protein catabolic process regulation of macromolecule metabolic process regulation of catabolic process macromolecule metabolic process regulation of metabolic process regulation of protein catabolic process cell population proliferation positive regulation of cell population proliferation positive regulation of epithelial cell proliferation regulation of cell population proliferation regulation of epithelial cell proliferation epithelial cell proliferation regulation of localization regulation of polyamine transmembrane transport nitrogen compound transport transport regulation of transport establishment of localization transmembrane transport polyamine transmembrane transport localization regulation of transmembrane transport positive regulation of transport positive regulation of transmembrane transport polyamine transport positive regulation of polyamine transmembrane transport	intracellular organelle centrosome microtubule organizing center cellular anatomical structure intracellular anatomical structure cytoskeleton organelle membraneless organelle intracellular membraneless organelle microtubule cytoskeleton cytoplasm membrane-bounded organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR002433	Ornithine decarboxylase	Family
A, B	IPR029066	PLP-binding barrel	Homologous Superfamily
A, B	IPR022644	Orn/DAP/Arg decarboxylase 2, N-terminal	Domain
A, B	IPR009006	Alanine racemase/group IV decarboxylase, C-terminal	Homologous Superfamily
A, B	IPR031178	Antizyme inhibitor 1	Family
A, B	IPR000183	Ornithine/DAP/Arg decarboxylase	Family
A, B	IPR022657	Orn/DAP/Arg decarboxylase 2, conserved site	Conserved Site

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.