1KMN

HISTIDYL-TRNA SYNTHETASE COMPLEXED WITH HISTIDINOL AND ATP

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family 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)
A	d1kmna1	Alpha and beta proteins (a/b)	Anticodon-binding domain-like	Class II aaRS ABD-related	Anticodon-binding domain of Class II aaRS	Histidyl-tRNA synthetase (HisRS), C-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1kmna2	Alpha and beta proteins (a+b)	Class II aaRS and biotin synthetases	Class II aaRS and biotin synthetases	Class II aminoacyl-tRNA synthetase (aaRS)-like, catalytic domain	Histidyl-tRNA synthetase (HisRS)	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D	d1kmnd1	Alpha and beta proteins (a/b)	Anticodon-binding domain-like	Class II aaRS ABD-related	Anticodon-binding domain of Class II aaRS	Histidyl-tRNA synthetase (HisRS), C-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D	d1kmnd2	Alpha and beta proteins (a+b)	Class II aaRS and biotin synthetases	Class II aaRS and biotin synthetases	Class II aminoacyl-tRNA synthetase (aaRS)-like, catalytic domain	Histidyl-tRNA synthetase (HisRS)	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1kmnb1	Alpha and beta proteins (a/b)	Anticodon-binding domain-like	Class II aaRS ABD-related	Anticodon-binding domain of Class II aaRS	Histidyl-tRNA synthetase (HisRS), C-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1kmnb2	Alpha and beta proteins (a+b)	Class II aaRS and biotin synthetases	Class II aaRS and biotin synthetases	Class II aminoacyl-tRNA synthetase (aaRS)-like, catalytic domain	Histidyl-tRNA synthetase (HisRS)	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d1kmnc1	Alpha and beta proteins (a/b)	Anticodon-binding domain-like	Class II aaRS ABD-related	Anticodon-binding domain of Class II aaRS	Histidyl-tRNA synthetase (HisRS), C-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d1kmnc2	Alpha and beta proteins (a+b)	Class II aaRS and biotin synthetases	Class II aaRS and biotin synthetases	Class II aminoacyl-tRNA synthetase (aaRS)-like, catalytic domain	Histidyl-tRNA synthetase (HisRS)	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Class II aaRS ABD-related	8044415	3000465	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Class II aaRS and biotin synthetases	8035904	3000058	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Class II aaRS and biotin synthetases	8035904	3000058	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Class II aaRS ABD-related	8044415	3000465	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Class II aaRS and biotin synthetases	8035904	3000058	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Class II aaRS ABD-related	8044415	3000465	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Class II aaRS ABD-related	8044415	3000465	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Class II aaRS and biotin synthetases	8035904	3000058	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)
A	PF13393	e1kmnA1	A: a+b three layers	X: Class II aaRS and biotin synthetases (From Topology)	H: Class II aaRS and biotin synthetases (From Topology)	T: Class II aaRS and biotin synthetases	F: PF13393	ECOD (1.6)
A	PF03129	e1kmnA2	A: a/b three-layered sandwiches	X: Anticodon-binding domain of Class II aaRS (From Topology)	H: Anticodon-binding domain of Class II aaRS (From Topology)	T: Anticodon-binding domain of Class II aaRS	F: PF03129	ECOD (1.6)
D	PF13393	e1kmnD4	A: a+b three layers	X: Class II aaRS and biotin synthetases (From Topology)	H: Class II aaRS and biotin synthetases (From Topology)	T: Class II aaRS and biotin synthetases	F: PF13393	ECOD (1.6)
D	PF03129	e1kmnD3	A: a/b three-layered sandwiches	X: Anticodon-binding domain of Class II aaRS (From Topology)	H: Anticodon-binding domain of Class II aaRS (From Topology)	T: Anticodon-binding domain of Class II aaRS	F: PF03129	ECOD (1.6)
B	PF13393	e1kmnB1	A: a+b three layers	X: Class II aaRS and biotin synthetases (From Topology)	H: Class II aaRS and biotin synthetases (From Topology)	T: Class II aaRS and biotin synthetases	F: PF13393	ECOD (1.6)
B	PF03129	e1kmnB2	A: a/b three-layered sandwiches	X: Anticodon-binding domain of Class II aaRS (From Topology)	H: Anticodon-binding domain of Class II aaRS (From Topology)	T: Anticodon-binding domain of Class II aaRS	F: PF03129	ECOD (1.6)
C	PF13393	e1kmnC1	A: a+b three layers	X: Class II aaRS and biotin synthetases (From Topology)	H: Class II aaRS and biotin synthetases (From Topology)	T: Class II aaRS and biotin synthetases	F: PF13393	ECOD (1.6)
C	PF03129	e1kmnC2	A: a/b three-layered sandwiches	X: Anticodon-binding domain of Class II aaRS (From Topology)	H: Anticodon-binding domain of Class II aaRS (From Topology)	T: Anticodon-binding domain of Class II aaRS	F: PF03129	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.930.10	Alpha Beta	2-Layer Sandwich	BirA Bifunctional Protein	domain 2	CATH (4.3.0)
A	3.40.50.800	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Anticodon-binding domain	CATH (4.3.0)
D	3.30.930.10	Alpha Beta	2-Layer Sandwich	BirA Bifunctional Protein	domain 2	CATH (4.3.0)
D	3.40.50.800	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Anticodon-binding domain	CATH (4.3.0)
B	3.30.930.10	Alpha Beta	2-Layer Sandwich	BirA Bifunctional Protein	domain 2	CATH (4.3.0)
B	3.40.50.800	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Anticodon-binding domain	CATH (4.3.0)
C	3.30.930.10	Alpha Beta	2-Layer Sandwich	BirA Bifunctional Protein	domain 2	CATH (4.3.0)
C	3.40.50.800	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Anticodon-binding domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF03129	Anticodon binding domain (HGTP_anticodon)	Anticodon binding domain	This domain is found in histidyl, glycyl, threonyl and prolyl tRNA synthetases [1] it is probably the anticodon binding domain [2].	Domain
A, B, C, D	PF00587	tRNA synthetase class II core domain (G, H, P, S and T) (tRNA-synt_2b)	tRNA synthetase class II core domain (G, H, P, S and T)	tRNA-synt_2b is a family of largely threonyl-tRNA members.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	HISTIDYL-TRNA SYNTHETASE	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 identical protein binding protein binding protein homodimerization activity protein dimerization activity ligase activity, forming carbon-oxygen bonds aminoacyl-tRNA ligase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid catalytic activity, acting on a tRNA histidine-tRNA ligase activity catalytic activity ligase activity	amino acid activation tRNA aminoacylation cellular biosynthetic process organonitrogen compound biosynthetic process RNA metabolic process amino acid metabolic process nucleobase-containing compound metabolic process organic substance metabolic process organic substance biosynthetic process protein metabolic process histidyl-tRNA aminoacylation organonitrogen compound metabolic process cellular metabolic process primary metabolic process amino acid activation tRNA aminoacylation cellular biosynthetic process organonitrogen compound biosynthetic process RNA metabolic process amino acid metabolic process nucleobase-containing compound metabolic process organic substance metabolic process organic substance biosynthetic process protein metabolic process histidyl-tRNA aminoacylation organonitrogen compound metabolic process cellular metabolic process primary metabolic process translation gene expression tRNA aminoacylation for protein translation macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process organic cyclic compound metabolic process biosynthetic process ncRNA metabolic process metabolic process cellular process macromolecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR015807	Histidine-tRNA ligase	Family
A, B, C, D	IPR045864	Class II Aminoacyl-tRNA synthetase/Biotinyl protein ligase (BPL) and lipoyl protein ligase (LPL)	Homologous Superfamily
A, B, C, D	IPR041715	Class II Histidinyl-tRNA synthetase (HisRS)-like catalytic core domain	Domain
A, B, C, D	IPR004154	Anticodon-binding	Domain
A, B, C, D	IPR006195	Aminoacyl-tRNA synthetase, class II	Domain
A, B, C, D	IPR004516	Histidine-tRNA ligase/ATP phosphoribosyltransferase regulatory subunit	Family
A, B, C, D	IPR036621	Anticodon-binding domain superfamily	Homologous Superfamily
A, B, C, D	IPR033656	Histidyl-anticodon-binding	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.