5URB

Crystal Structure of Methionyl-tRNA synthetase (MetRS) from Acinetobacter baumannii with bound L-Methionine

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	Anticodon_1,tRNA-synt_1g	e5urbA1	A: alpha bundles	X: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases (From Topology)	H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases (From Topology)	T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	F: Anticodon_1,tRNA-synt_1g	ECOD (1.6)
A	tRNA-synt_1g	e5urbA2	A: a/b three-layered sandwiches	X: HUP domain-like	H: HUP domains (From Topology)	T: HUP domains	F: tRNA-synt_1g	ECOD (1.6)
A	tRNA-synt_1g_1	e5urbA4	A: few secondary structure elements	X: Rubredoxin-like	H: Rubredoxin-related	T: Rubredoxin-related	F: tRNA-synt_1g_1	ECOD (1.6)
A	UNK_F_TYPE	e5urbA3	A: few secondary structure elements	X: Rubredoxin-like	H: Rubredoxin-related	T: Rubredoxin-related	F: UNK_F_TYPE	ECOD (1.6)
B	Anticodon_1,tRNA-synt_1g	e5urbB1	A: alpha bundles	X: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases (From Topology)	H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases (From Topology)	T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	F: Anticodon_1,tRNA-synt_1g	ECOD (1.6)
B	tRNA-synt_1g	e5urbB4	A: a/b three-layered sandwiches	X: HUP domain-like	H: HUP domains (From Topology)	T: HUP domains	F: tRNA-synt_1g	ECOD (1.6)
B	F_UNCLASSIFIED	e5urbB2	A: few secondary structure elements	X: Rubredoxin-like	H: Rubredoxin-related	T: Rubredoxin-related	F: F_UNCLASSIFIED	ECOD (1.6)
B	tRNA-synt_1g_1	e5urbB5	A: few secondary structure elements	X: Rubredoxin-like	H: Rubredoxin-related	T: Rubredoxin-related	F: tRNA-synt_1g_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.620	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	HUPs	CATH (4.3.0)
A	2.20.28.20	Mainly Beta	Single Sheet	Rubrerythrin, domain 2	Methionyl-tRNA synthetase, Zn-domain	CATH (4.3.0)
A	1.10.730.10	Mainly Alpha	Orthogonal Bundle	Isoleucyl-tRNA Synthetase	Domain 1	CATH (4.3.0)
B	3.40.50.620	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	HUPs	CATH (4.3.0)
B	2.20.28.20	Mainly Beta	Single Sheet	Rubrerythrin, domain 2	Methionyl-tRNA synthetase, Zn-domain	CATH (4.3.0)
B	1.10.730.10	Mainly Alpha	Orthogonal Bundle	Isoleucyl-tRNA Synthetase	Domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF09334	tRNA synthetases class I (M) (tRNA-synt_1g)	tRNA synthetases class I (M)	-	Family
A, B	PF19303	Anticodon binding domain of methionyl tRNA ligase (Anticodon_3)	Anticodon binding domain of methionyl tRNA ligase	This domain is found in methionyl tRNA ligase. The domain binds to the anticodon of the tRNA ligase.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Methionine--tRNA ligase	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 ligase activity, forming carbon-oxygen bonds aminoacyl-tRNA ligase activity methionine-tRNA ligase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid catalytic activity, acting on a tRNA catalytic activity ligase activity RNA binding tRNA binding nucleic acid binding cation binding metal ion binding	amino acid activation tRNA aminoacylation methionyl-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 organonitrogen compound metabolic process cellular metabolic process primary metabolic process amino acid activation tRNA aminoacylation methionyl-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 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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR023458	Methionine-tRNA ligase, type 1	Family
A, B	IPR041872	Methionyl-tRNA synthetase, anticodon-binding domain	Domain
A, B	IPR001412	Aminoacyl-tRNA synthetase, class I, conserved site	Conserved Site
A, B	IPR002547	tRNA-binding domain	Domain
A, B	IPR015413	Methionyl/Leucyl tRNA synthetase	Domain
A, B	IPR014729	Rossmann-like alpha/beta/alpha sandwich fold	Homologous Superfamily
A, B	IPR004495	Methionyl-tRNA synthetase, beta subunit, C-terminal	Domain
A, B	IPR014758	Methionyl-tRNA synthetase	Family
A, B	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
A, B	IPR009080	Aminoacyl-tRNA synthetase, class Ia, anticodon-binding	Homologous Superfamily
A, B	IPR033911	Methioninyl-tRNA synthetase core domain	Domain
A, B	IPR029038	Methionyl-tRNA synthetase, Zn-domain	Homologous Superfamily

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.