2PTH

PEPTIDYL-TRNA HYDROLASE FROM ESCHERICHIA COLI

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0000049	molecular_function	tRNA binding
A	0003723	molecular_function	RNA binding
A	0004045	molecular_function	peptidyl-tRNA hydrolase activity
A	0005737	cellular_component	cytoplasm
A	0006515	biological_process	protein quality control for misfolded or incompletely synthesized proteins
A	0016787	molecular_function	hydrolase activity
A	0072344	biological_process	rescue of stalled ribosome

Functional Information from PROSITE/UniProt

site_id	PS01195
Number of Residues	14
Details	PEPT_TRNA_HYDROL_1 Peptidyl-tRNA hydrolase signature 1. YaaTRHNaGawFVD

Chain	Residue	Details
A	TYR15-ASP28

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site_id	PS01196
Number of Residues	11
Details	PEPT_TRNA_HYDROL_2 Peptidyl-tRNA hydrolase signature 2. GhggHNGLKDI

Chain	Residue	Details
A	GLY109-ILE119

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	1
Details	ACT_SITE: Proton acceptor => ECO:0000255|HAMAP-Rule:MF_00083, ECO:0000305|PubMed:22923517, ECO:0000305|PubMed:9303320

Chain	Residue	Details
A	HIS20

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site_id	SWS_FT_FI2
Number of Residues	2
Details	BINDING: BINDING => ECO:0000255|HAMAP-Rule:MF_00083, ECO:0000305|PubMed:21718701

Chain	Residue	Details
A	TYR15
A	PHE66

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site_id	SWS_FT_FI3
Number of Residues	2
Details	BINDING: BINDING => ECO:0000255|HAMAP-Rule:MF_00083, ECO:0000269|PubMed:22923517, ECO:0000305|PubMed:21718701

Chain	Residue	Details
A	ASN68
A	ASN114

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site_id	SWS_FT_FI4
Number of Residues	1
Details	SITE: Discriminates between blocked and unblocked aminoacyl-tRNA => ECO:0000255|HAMAP-Rule:MF_00083, ECO:0000269|PubMed:21718701

Chain	Residue	Details
A	ASN10

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site_id	SWS_FT_FI5
Number of Residues	1
Details	SITE: Stabilizes the basic form of H active site to accept a proton => ECO:0000255|HAMAP-Rule:MF_00083, ECO:0000305|PubMed:21718701, ECO:0000305|PubMed:22923517, ECO:0000305|PubMed:9303320

Chain	Residue	Details
A	ASP93

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Catalytic Information from CSA

site_id	CSA1
Number of Residues	3
Details	a catalytic site defined by CSA, PubMed 9303320

Chain	Residue	Details
A	ASN10
A	ASP93
A	HIS20

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site_id	MCSA1
Number of Residues	4
Details	M-CSA 931

Chain	Residue	Details
A	HIS20	proton shuttle (general acid/base)
A	ASN68	electrostatic stabiliser
A	ASP93	electrostatic stabiliser, modifies pKa
A	ASN114	electrostatic stabiliser

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