Annotations: 4YGA

CDPK1, from Toxoplasma gondii, bound to inhibitory VHH-1B7

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
H	d4ygah_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Vicugna pacos ) [TaxId: 30538 ],	SCOPe (2.08)
F	d4ygaf_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Vicugna pacos ) [TaxId: 30538 ],	SCOPe (2.08)
D	d4ygad_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Vicugna pacos ) [TaxId: 30538 ],	SCOPe (2.08)
B	d4ygab_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Vicugna pacos ) [TaxId: 30538 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
G	SCOP2B Superfamily	Protein kinase-like (PK-like)	8062368	3000066	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Protein kinase-like (PK-like)	8062368	3000066	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Protein kinase-like (PK-like)	8062368	3000066	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Protein kinase-like (PK-like)	8062368	3000066	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)
H	KR	e4ygaH1	A: beta barrels	X: Cysteine proteinases-like	H: Cysteine proteinases	T: Cysteine proteinases	F: KR	ECOD (v294.2)
F	KR	e4ygaF1	A: beta barrels	X: Cysteine proteinases-like	H: Cysteine proteinases	T: Cysteine proteinases	F: KR	ECOD (v294.2)
D	KR	e4ygaD1	A: beta barrels	X: Cysteine proteinases-like	H: Cysteine proteinases	T: Cysteine proteinases	F: KR	ECOD (v294.2)
B	KR	e4ygaB1	A: beta barrels	X: Cysteine proteinases-like	H: Cysteine proteinases	T: Cysteine proteinases	F: KR	ECOD (v294.2)
G	KR	e4ygaG1	A: beta barrels	X: Cysteine proteinases-like	H: Cysteine proteinases	T: Cysteine proteinases	F: KR	ECOD (v294.2)
E	KR	e4ygaE1	A: beta barrels	X: Cysteine proteinases-like	H: Cysteine proteinases	T: Cysteine proteinases	F: KR	ECOD (v294.2)
C	KR	e4ygaC1	A: beta barrels	X: Cysteine proteinases-like	H: Cysteine proteinases	T: Cysteine proteinases	F: KR	ECOD (v294.2)
A	KR	e4ygaA1	A: beta barrels	X: Cysteine proteinases-like	H: Cysteine proteinases	T: Cysteine proteinases	F: KR	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
H	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
F	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
G	3.30.200.20	Alpha Beta	2-Layer Sandwich	Phosphorylase Kinase	domain 1	CATH (4.3.0)
G	1.10.510.10	Mainly Alpha	Orthogonal Bundle	Transferase(Phosphotransferase)	domain 1	CATH (4.3.0)
G	1.10.238.10	Mainly Alpha	Orthogonal Bundle	Recoverin	domain 1	CATH (4.3.0)
E	3.30.200.20	Alpha Beta	2-Layer Sandwich	Phosphorylase Kinase	domain 1	CATH (4.3.0)
E	1.10.510.10	Mainly Alpha	Orthogonal Bundle	Transferase(Phosphotransferase)	domain 1	CATH (4.3.0)
E	1.10.238.10	Mainly Alpha	Orthogonal Bundle	Recoverin	domain 1	CATH (4.3.0)
C	3.30.200.20	Alpha Beta	2-Layer Sandwich	Phosphorylase Kinase	domain 1	CATH (4.3.0)
C	1.10.510.10	Mainly Alpha	Orthogonal Bundle	Transferase(Phosphotransferase)	domain 1	CATH (4.3.0)
C	1.10.238.10	Mainly Alpha	Orthogonal Bundle	Recoverin	domain 1	CATH (4.3.0)
A	3.30.200.20	Alpha Beta	2-Layer Sandwich	Phosphorylase Kinase	domain 1	CATH (4.3.0)
A	1.10.510.10	Mainly Alpha	Orthogonal Bundle	Transferase(Phosphotransferase)	domain 1	CATH (4.3.0)
A	1.10.238.10	Mainly Alpha	Orthogonal Bundle	Recoverin	domain 1	CATH (4.3.0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B, D, F, H	Heavy Chain	IGHV1	-	calmodulin-domain protein kinase 1	SAbDab (2026-05-08)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, D, F, H	VHH-1B7	-	-	-
A, C, E, G	Calmodulin-domain protein kinase 1	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 cation binding calcium ion binding metal ion binding protein serine/threonine kinase activity catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C, E, G	IPR017441	Protein kinase, ATP binding site	Binding Site
A, C, E, G	IPR000719	Protein kinase domain	Domain
A, C, E, G	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A, C, E, G	IPR002048	EF-hand domain	Domain
A, C, E, G	IPR011992	EF-hand domain pair	Homologous Superfamily
A, C, E, G	IPR050205	Calcium-dependent Serine/Threonine Protein Kinases	Family
A, C, E, G	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A, C, E, G	IPR008271	Serine/threonine-protein kinase, active site	Active Site

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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.