Structure of PDB 2dxi Chain B

Receptor sequence

>2dxiB (length=468) Species: 274 (Thermus thermophilus) [Search protein sequence]

MVVTRIAPSPTGDPHVGTAYIALFNYAWARRNGGRFIVRIEDTDRARYVP
GAEERILAALKWLGLSYDEGPDVGGPHGPYRQSERLPLYQKYAEELLKRG
WAYRAFETPEELEQIRKEKGGYDGRARNIPPEEAEERARRGEPHVIRLKV
PRPGTTEVKDELRGVVVYDNQEIPDVVLLKSDGYPTYHLANVVDDHLMGV
TDVIRAEEWLVSTPIHVLLYRAFGWEAPRFYHMPLLRNPDKTKISKRKSH
TSLDWYKAEGFLPEALRNYLCLMGFSMPDGREIFTLEEFIQAFTWERVSL
GGPVFDLEKLRWMNGKYIREVLSLEEVAERVKPFLREAGLSWESEAYLRR
AVELMRPRFDTLKEFPEKARYLFTEDYPVSEKAQRKLEEGLPLLKELYPR
LRAQEEWTEAALEALLRGFAAEKGVKLGQVAQPLRAALTGSLETPGLFEI
LALLGKERALRRLERALA

3D structure

PDB

2dxi Structural bases of transfer RNA-dependent amino acid recognition and activation by glutamyl-tRNA synthetase

Chain

Resolution

2.2 Å

3D
structure

Catalytic site residues are labeled in the structure
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Enzymatic activity

Catalytic site (original residue number in PDB)	K246
Catalytic site (residue number reindexed from 1)	K246
Enzyme Commision number	6.1.1.17: glutamate--tRNA ligase.

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)
BS01	rna	B	S9 T43 D44 R47 V145 R163 V166 Y168 E172 V177 K180 S181 Y187 E207 E208 W209 V211 L235 R237 K241 K243 G274 E282 S299 L300 P303 V304 K309 W312 R319 P357 R358 R417 L427 Q432 R435 L442 E443 T444 P445 G446 L447 F448	S9 T43 D44 R47 V145 R163 V166 Y168 E172 V177 K180 S181 Y187 E207 E208 W209 V211 L235 R237 K241 K243 G274 E282 S299 L300 P303 V304 K309 W312 R319 P357 R358 R417 L427 Q432 R435 L442 E443 T444 P445 G446 L447 F448
BS02	ATP	B	T11 G17 T18 I21 A206 E208 W209 L235 L236	T11 G17 T18 I21 A206 E208 W209 L235 L236
BS03	GAU	B	R5 A7 E41 Y187 N191 R205 W209	R5 A7 E41 Y187 N191 R205 W209

Gene Ontology

	Molecular Function
GO:0000049	tRNA binding
GO:0000166	nucleotide binding
GO:0004812	aminoacyl-tRNA ligase activity
GO:0004818	glutamate-tRNA ligase activity
GO:0005524	ATP binding
GO:0008270	zinc ion binding

	Biological Process
GO:0006412	translation
GO:0006418	tRNA aminoacylation for protein translation
GO:0006424	glutamyl-tRNA aminoacylation
GO:0043039	tRNA aminoacylation

	Cellular Component
GO:0005737	cytoplasm
GO:0005829	cytosol

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Molecular Function

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Biological Process

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Cellular Component

External links

PDB	RCSB:2dxi, PDBe:2dxi, PDBj:2dxi
PDBsum	2dxi
PubMed	17161369
UniProt	P27000\|SYE_THET8 Glutamate--tRNA ligase (Gene Name=gltX)

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