7BZY | pdb_00007bzy

Hsp21-DXPS

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth 12]	SCOP2B Superfamily	Hsp20 chaperone-like	8085412	3001242	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)
C [auth 13]	Transketolase_C	e7bzy133	A: a/b three-layered sandwiches	X: TK C-terminal domain-like (From Topology)	H: TK C-terminal domain-like (From Topology)	T: TK C-terminal domain-like	F: Transketolase_C	ECOD (1.6)
C [auth 13]	Transketolase_N	e7bzy131	A: a/b three-layered sandwiches	X: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	H: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	T: Thiamin diphosphate-binding fold (THDP-binding)	F: Transketolase_N	ECOD (1.6)
C [auth 13]	Transket_pyr	e7bzy132	A: a/b three-layered sandwiches	X: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	H: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	T: Thiamin diphosphate-binding fold (THDP-binding)	F: Transket_pyr	ECOD (1.6)
A [auth 11]	Transketolase_C	e7bzy113	A: a/b three-layered sandwiches	X: TK C-terminal domain-like (From Topology)	H: TK C-terminal domain-like (From Topology)	T: TK C-terminal domain-like	F: Transketolase_C	ECOD (1.6)
A [auth 11]	Transketolase_N	e7bzy111	A: a/b three-layered sandwiches	X: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	H: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	T: Thiamin diphosphate-binding fold (THDP-binding)	F: Transketolase_N	ECOD (1.6)
A [auth 11]	Transket_pyr	e7bzy112	A: a/b three-layered sandwiches	X: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	H: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	T: Thiamin diphosphate-binding fold (THDP-binding)	F: Transket_pyr	ECOD (1.6)
B [auth 12]	HSP20	e7bzy121	A: beta sandwiches	X: HSP20-like	H: HSP20-like chaperones (From Topology)	T: HSP20-like chaperones	F: HSP20	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth 11], C [auth 13]	PF02779	Transketolase, pyrimidine binding domain (Transket_pyr)	Transketolase, pyrimidine binding domain	This family includes transketolase enzymes, pyruvate dehydrogenases, and branched chain alpha-keto acid decarboxylases.	Domain
A [auth 11], C [auth 13]	PF13292	1-deoxy-D-xylulose-5-phosphate synthase (DXP_synthase_N)	1-deoxy-D-xylulose-5-phosphate synthase	-	Family
A [auth 11], C [auth 13]	PF02780	Transketolase, C-terminal domain (Transketolase_C)	Transketolase, C-terminal domain	The C-terminal domain of transketolase has been proposed as a regulatory molecule binding site [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth 11], C [auth 13]	1-deoxy-D-xylulose-5-phosphate synthase, chloroplastic	transketolase or transaldolase activity 1-deoxy-D-xylulose-5-phosphate synthase activity transferase activity catalytic activity cation binding ion binding binding metal ion binding small molecule binding identical protein binding protein binding	isoprenoid biosynthetic process isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway isopentenyl diphosphate biosynthetic process lipid biosynthetic process carbohydrate derivative metabolic process primary metabolic process glyceraldehyde-3-phosphate metabolic process phospholipid biosynthetic process aldehyde metabolic process phospholipid metabolic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process phosphate-containing compound metabolic process isoprenoid biosynthetic process isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway isopentenyl diphosphate biosynthetic process lipid biosynthetic process carbohydrate derivative metabolic process primary metabolic process glyceraldehyde-3-phosphate metabolic process phospholipid biosynthetic process aldehyde metabolic process phospholipid metabolic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process phosphate-containing compound metabolic process metabolic process cellular process phosphorus metabolic process lipid metabolic process isoprenoid metabolic process isopentenyl diphosphate metabolic process pigment metabolic process porphyrin-containing compound biosynthetic process tetrapyrrole metabolic process chlorophyll metabolic process pigment biosynthetic process tetrapyrrole biosynthetic process porphyrin-containing compound metabolic process chlorophyll biosynthetic process terpenoid biosynthetic process terpenoid metabolic process pyrimidine-containing compound metabolic process water-soluble vitamin biosynthetic process small molecule biosynthetic process thiamine-containing compound metabolic process vitamin biosynthetic process alcohol metabolic process thiamine metabolic process vitamin metabolic process sulfur compound biosynthetic process thiamine biosynthetic process alcohol biosynthetic process sulfur compound metabolic process small molecule metabolic process pyrimidine-containing compound biosynthetic process primary alcohol biosynthetic process thiamine-containing compound biosynthetic process primary alcohol metabolic process	membrane-bounded organelle intracellular anatomical structure plastid intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure plastid stroma organelle chloroplast stroma cytoplasm chloroplast
B [auth 12]	Heat shock protein 21, chloroplastic	-	response to light stimulus response to stimulus response to radiation response to abiotic stimulus regulation of cellular process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process response to light stimulus response to stimulus response to radiation response to abiotic stimulus regulation of cellular process RNA metabolic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of biological process biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process cellular process metabolic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process response to stress response to heat response to temperature stimulus cellular component organization organelle organization plastid organization chloroplast organization cellular component organization or biogenesis	membrane-bounded organelle intracellular anatomical structure plastid plastid nucleoid intracellular membraneless organelle nucleoid intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure chloroplast nucleoid plastid stroma organelle membraneless organelle chloroplast stroma membrane-bounded organelle intracellular anatomical structure plastid plastid nucleoid intracellular membraneless organelle nucleoid intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure chloroplast nucleoid plastid stroma organelle membraneless organelle chloroplast stroma cytoplasm chloroplast protein-containing complex protein folding chaperone complex intracellular protein-containing complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth 11], C [auth 13]	IPR005477	Deoxyxylulose-5-phosphate synthase	Family
A [auth 11], C [auth 13]	IPR029061	Thiamin diphosphate-binding fold	Homologous Superfamily
A [auth 11], C [auth 13]	IPR009014	Transketolase C-terminal/Pyruvate-ferredoxin oxidoreductase domain II	Homologous Superfamily
A [auth 11], C [auth 13]	IPR049557	Transketolase conserved site	Conserved Site
A [auth 11], C [auth 13]	IPR005475	Transketolase-like, pyrimidine-binding domain	Domain
A [auth 11], C [auth 13]	IPR033248	Transketolase, C-terminal domain	Domain
A [auth 11], C [auth 13]	IPR020826	Transketolase binding site	Binding Site
B [auth 12]	IPR002068	Alpha crystallin/Hsp20 domain	Domain
B [auth 12]	IPR044587	Heat shock protein 21-like	Family
B [auth 12]	IPR008978	HSP20-like chaperone	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.