8RVR | pdb_00008rvr

Crystal structure of Trypanosoma congolense pyruvate kinase in complex with a single-domain antibody (TcoPYK-sdAb42) in the presence of sulfate

External Resource: Annotation

Domain Annotation: ECOD Classification
SAbDab Antibody 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)
L	Rap1-DNA-bind	e8rvrL1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Rap1-DNA-bind	ECOD (v295.2)
K	Rap1-DNA-bind	e8rvrK1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Rap1-DNA-bind	ECOD (v295.2)
J	Rap1-DNA-bind	e8rvrJ1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Rap1-DNA-bind	ECOD (v295.2)
I	Rap1-DNA-bind	e8rvrI1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Rap1-DNA-bind	ECOD (v295.2)
H	Rap1-DNA-bind	e8rvrH1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Rap1-DNA-bind	ECOD (v295.2)
G	Rap1-DNA-bind	e8rvrG1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Rap1-DNA-bind	ECOD (v295.2)
F	Rap1-DNA-bind	e8rvrF1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Rap1-DNA-bind	ECOD (v295.2)
E	Rap1-DNA-bind	e8rvrE1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Rap1-DNA-bind	ECOD (v295.2)
D	Rap1-DNA-bind	e8rvrD1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Rap1-DNA-bind	ECOD (v295.2)
C	Rap1-DNA-bind	e8rvrC1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Rap1-DNA-bind	ECOD (v295.2)
B	Rap1-DNA-bind	e8rvrB1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Rap1-DNA-bind	ECOD (v295.2)
A	Rap1-DNA-bind	e8rvrA1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Rap1-DNA-bind	ECOD (v295.2)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
G, H, I, J, K G, H, I, J, K, L	Heavy Chain	IGHV1	-	pyruvate kinase	SAbDab (2026-08-28)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
G, H, I, J, K G, H, I, J, K, L	Camelid single-domain antibody 42 (sdAb42)	-	-	-
A, B, C, D, E A, B, C, D, E, F	Pyruvate kinase	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding anion binding adenyl nucleotide binding cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding potassium ion binding alkali metal ion binding kinase activity transferase activity catalytic activity transferase activity, transferring phosphorus-containing groups pyruvate kinase activity phosphotransferase activity, alcohol group as acceptor	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F	IPR015795	Pyruvate kinase, C-terminal	Domain
A, B, C, D, E A, B, C, D, E, F	IPR015813	Pyruvate/Phosphoenolpyruvate kinase-like domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR011037	Pyruvate kinase-like, insert domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR015806	Pyruvate kinase, insert domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR036918	Pyruvate kinase, C-terminal domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR001697	Pyruvate kinase	Family
A, B, C, D, E A, B, C, D, E, F	IPR040442	Pyruvate kinase-like domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR015793	Pyruvate kinase, barrel	Domain

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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.