Annotations: 7NHF

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Ribulose-phoshate binding barrel	8085962	3000216	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Ribulose-phoshate binding barrel	8085962	3000216	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Ribulose-phoshate binding barrel	8085962	3000216	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Ribulose-phoshate binding barrel	8085962	3000216	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Secretin_N	e7nhfA1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Secretin_N	ECOD (v294.1)
B	Secretin_N	e7nhfB1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Secretin_N	ECOD (v294.1)
C	Secretin_N	e7nhfC1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Secretin_N	ECOD (v294.1)
D	Secretin_N	e7nhfD1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Secretin_N	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF01680	SOR/SNZ family (SOR_SNZ)	SOR/SNZ family	Members of this family are enzymes involved in a new pathway of pyridoxine/pyridoxal 5-phosphate biosynthesis [1]. This family was formerly known as UPF0019.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Pyridoxal 5'-phosphate synthase subunit PDX1.3	identical protein binding protein binding binding protein homodimerization activity protein dimerization activity amine-lyase activity lyase activity pyridoxal 5'-phosphate synthase (glutamine hydrolysing) activity catalytic activity carbon-nitrogen lyase activity protein heterodimerization activity	vitamin B6 biosynthetic process water-soluble vitamin biosynthetic process small molecule biosynthetic process pyridine-containing compound biosynthetic process vitamin biosynthetic process aldehyde biosynthetic process aldehyde metabolic process vitamin metabolic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process pyridoxal phosphate biosynthetic process phosphate-containing compound metabolic process pyridine-containing compound metabolic process vitamin B6 biosynthetic process water-soluble vitamin biosynthetic process small molecule biosynthetic process pyridine-containing compound biosynthetic process vitamin biosynthetic process aldehyde biosynthetic process aldehyde metabolic process vitamin metabolic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process pyridoxal phosphate biosynthetic process phosphate-containing compound metabolic process pyridine-containing compound metabolic process metabolic process cellular process vitamin B6 metabolic process small molecule metabolic process phosphorus metabolic process pyridoxal phosphate metabolic process tetrapyrrole metabolic process chlorophyll metabolic process porphyrin-containing compound metabolic process response to light stimulus response to stimulus response to radiation response to abiotic stimulus response to UV response to UV-B response to oxidative stress response to lipid response to stress response to chemical response to oxygen-containing compound response to lipid hydroperoxide response to hydroperoxide pyridoxine biosynthetic process pyridoxine metabolic process response to osmotic stress hyperosmotic response response to salt stress hyperosmotic salinity response amino acid metabolic process primary metabolic process response to non-ionic osmotic stress	cellular anatomical structure endomembrane system intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR001852	Pyridoxal 5'-phosphate synthase subunit PdxS/SNZ	Family
A, B, C, D	IPR013785	Aldolase-type TIM barrel	Homologous Superfamily
A, B, C, D	IPR033755	PdxS/SNZ N-terminal domain	Domain
A, B, C, D	IPR011060	Ribulose-phosphate binding barrel	Homologous Superfamily

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.