Annotations: 3DRB

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3drba1	All alpha proteins	Guanido kinase N-terminal domain	Guanido kinase N-terminal domain	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d3drba2	Alpha and beta proteins (a+b)	Glutamine synthetase/guanido kinase	Glutamine synthetase/guanido kinase	Guanido kinase catalytic domain	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d3drbb1	All alpha proteins	Guanido kinase N-terminal domain	Guanido kinase N-terminal domain	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d3drbb2	Alpha and beta proteins (a+b)	Glutamine synthetase/guanido kinase	Glutamine synthetase/guanido kinase	Guanido kinase catalytic domain	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	ATP-gua_PtransN	e3drbA1	A: alpha arrays	X: Guanido kinase-N (From Topology)	H: Guanido kinase-N (From Topology)	T: Guanido kinase-N	F: ATP-gua_PtransN	ECOD (1.6)
A	ATP-gua_Ptrans	e3drbA2	A: a+b two layers	X: Glutamine synthetase-like	H: Glutamine synthetase/guanido kinase (From Topology)	T: Glutamine synthetase/guanido kinase	F: ATP-gua_Ptrans	ECOD (1.6)
B	ATP-gua_PtransN	e3drbB1	A: alpha arrays	X: Guanido kinase-N (From Topology)	H: Guanido kinase-N (From Topology)	T: Guanido kinase-N	F: ATP-gua_PtransN	ECOD (1.6)
B	ATP-gua_Ptrans	e3drbB2	A: a+b two layers	X: Glutamine synthetase-like	H: Glutamine synthetase/guanido kinase (From Topology)	T: Glutamine synthetase/guanido kinase	F: ATP-gua_Ptrans	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.135.10	Mainly Alpha	Orthogonal Bundle	Transferase Creatine Kinase	Chain A, domain 1	CATH (4.3.0)
A	3.30.590.10	Alpha Beta	2-Layer Sandwich	Creatine Kinase	Chain A, domain 2	CATH (4.3.0)
B	1.10.135.10	Mainly Alpha	Orthogonal Bundle	Transferase Creatine Kinase	Chain A, domain 1	CATH (4.3.0)
B	3.30.590.10	Alpha Beta	2-Layer Sandwich	Creatine Kinase	Chain A, domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00217	ATP:guanido phosphotransferase, C-terminal catalytic domain (ATP-gua_Ptrans)	ATP:guanido phosphotransferase, C-terminal catalytic domain	The substrate binding site is located in the cleft between N and C-terminal domains, but most of the catalytic residues are found in the larger C-terminal domain.	Domain
A, B	PF02807	ATP:guanido phosphotransferase, N-terminal domain (ATP-gua_PtransN)	ATP:guanido phosphotransferase, N-terminal domain	The N-terminal domain has an all-alpha fold.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Creatine kinase B-type	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding creatine kinase activity kinase activity transferase activity catalytic activity phosphotransferase activity, nitrogenous group as acceptor transferase activity, transferring phosphorus-containing groups ubiquitin protein ligase binding protein binding ubiquitin-like protein ligase binding enzyme binding	phosphocreatine metabolic process phosphagen metabolic process phosphocreatine biosynthetic process cellular metabolic process cellular modified amino acid metabolic process phosphagen biosynthetic process biosynthetic process organophosphate metabolic process cellular modified amino acid biosynthetic process organophosphate biosynthetic process phosphate-containing compound metabolic process metabolic process cellular process phosphorus metabolic process phosphocreatine metabolic process phosphagen metabolic process phosphocreatine biosynthetic process cellular metabolic process cellular modified amino acid metabolic process phosphagen biosynthetic process biosynthetic process organophosphate metabolic process cellular modified amino acid biosynthetic process organophosphate biosynthetic process phosphate-containing compound metabolic process metabolic process cellular process phosphorus metabolic process developmental process multicellular organismal process head development animal organ development brain development nervous system development substantia nigra development multicellular organism development central nervous system development midbrain development anatomical structure development neural nucleus development system development futile creatine cycle adaptive thermogenesis	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space vesicle membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space vesicle extracellular membrane-bounded organelle cytosol cell periphery plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR022413	ATP:guanido phosphotransferase, N-terminal	Domain
A, B	IPR022414	ATP:guanido phosphotransferase, catalytic domain	Domain
A, B	IPR036802	ATP:guanido phosphotransferase, N-terminal domain superfamily	Homologous Superfamily
A, B	IPR000749	ATP:guanido phosphotransferase	Family
A, B	IPR022415	ATP:guanido phosphotransferase active site	Active Site
A, B	IPR014746	Glutamine synthetase/guanido kinase, catalytic domain	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: P12277	tubular adenocarcinoma acute coronary syndrome myocardial infarction granular cell carcinoma small cell lung carcinoma adenocarcinoma Left Ventricular Hypertrophy small cell carcinoma autism spectrum disorder breast fibroadenoma drug-induced liver injury gastric neoplasm hereditary diffuse gastric adenocarcinoma lung adenocarcinoma bipolar disorder tubular adenocarcinoma acute coronary syndrome myocardial infarction granular cell carcinoma small cell lung carcinoma adenocarcinoma Left Ventricular Hypertrophy small cell carcinoma autism spectrum disorder breast fibroadenoma drug-induced liver injury gastric neoplasm hereditary diffuse gastric adenocarcinoma lung adenocarcinoma bipolar disorder cribriform carcinoma endogenous depression lung carcinoma schizophrenia attention deficit hyperactivity disorder, inattentive type breast carcinoma cribriform carcinoma of breast gastric cancer heart disease

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.