Annotations: 2KRU

Solution NMR structure of the PCP_red domain of light-independent protochlorophyllide reductase subunit B from Chlorobium tepidum. Northeast Structural Genomics Consortium Target CtR69A

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	polyprenyl_synt	e2kruA1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: HTH	T: winged helix domain	F: polyprenyl_synt	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.8.550	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF08369	Proto-chlorophyllide reductase 57 kD subunit (PCP_red)	Proto-chlorophyllide reductase 57 kD subunit	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Light-independent protochlorophyllide reductase subunit B	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding oxidoreductase activity oxidoreductase activity, acting on iron-sulfur proteins as donors catalytic activity iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding cation binding metal ion binding oxidoreductase activity, acting on the CH-CH group of donors, iron-sulfur protein as acceptor oxidoreductase activity, acting on the CH-CH group of donors	carbohydrate metabolic process biosynthetic process photosynthesis carbohydrate biosynthetic process photosynthesis, dark reaction primary metabolic process metabolic process cellular process pigment metabolic process porphyrin-containing compound biosynthetic process tetrapyrrole metabolic process light-independent bacteriochlorophyll biosynthetic process chlorophyll metabolic process pigment biosynthetic process carbohydrate metabolic process biosynthetic process photosynthesis carbohydrate biosynthetic process photosynthesis, dark reaction primary metabolic process metabolic process cellular process pigment metabolic process porphyrin-containing compound biosynthetic process tetrapyrrole metabolic process light-independent bacteriochlorophyll biosynthetic process chlorophyll metabolic process pigment biosynthetic process bacteriochlorophyll biosynthetic process light-independent chlorophyll biosynthetic process tetrapyrrole biosynthetic process porphyrin-containing compound metabolic process chlorophyll biosynthetic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR013580	Light-independent protochlorophyllide reductase subunit B-like, C-terminal	Domain
A	IPR016209	Protochlorophyllide reductase, ChlB, light independent	Family
A	IPR000510	Nitrogenase/oxidoreductase, component 1	Domain
A	IPR042298	Proto-chlorophyllide reductase, C-terminal	Homologous Superfamily
A	IPR005969	Light-independent protochlorophyllide reductase, B subunit	Family
A	IPR050152	ChlB/BchB/BchZ	Family

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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.