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3IT4

The Crystal Structure of Ornithine Acetyltransferase from Mycobacterium tuberculosis (Rv1653) at 1.7 A

Functional Information from GO Data
ChainGOidnamespacecontents
A0004358molecular_functionL-glutamate N-acetyltransferase activity, acting on acetyl-L-ornithine as donor
A0006526biological_processL-arginine biosynthetic process
B0004358molecular_functionL-glutamate N-acetyltransferase activity, acting on acetyl-L-ornithine as donor
B0006526biological_processL-arginine biosynthetic process
C0004358molecular_functionL-glutamate N-acetyltransferase activity, acting on acetyl-L-ornithine as donor
C0006526biological_processL-arginine biosynthetic process
D0004358molecular_functionL-glutamate N-acetyltransferase activity, acting on acetyl-L-ornithine as donor
D0006526biological_processL-arginine biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE GOL A 500
ChainResidue
AALA52
AGLY53
ALEU72
ATHR73
AHOH233
AHOH237
AHOH354
BGLU217
BARG221

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL B 501
ChainResidue
BHOH174
BHOH191
BASP234
BGLY235
BARG308
BHOH439
DARG308

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE ACT B 601
ChainResidue
BHOH193
BASN322
BARG325
BHOH425
BHOH564
CLEU129
CMET193

site_idAC4
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL C 502
ChainResidue
CASP158
CHIS162
CHOH246
CHOH393
CHOH466
DHOH130
DGLN257

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE BEZ C 503
ChainResidue
CARG9
CGLN14
CHIS177
DARG221
DARG222

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ACT D 601
ChainResidue
DASN322
DARG325
DHOH432
DHOH590

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsACT_SITE: Nucleophile
ChainResidueDetails
BTHR200
DTHR200
CTHR166
CLYS189

site_idSWS_FT_FI2
Number of Residues8
DetailsBINDING:
ChainResidueDetails
BTHR200
BGLU280
BASN399
BSER404
DTHR200
DGLU280
DASN399
DSER404

site_idSWS_FT_FI3
Number of Residues2
DetailsSITE: Cleavage; by autolysis
ChainResidueDetails
AALA199
CALA199

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PDB entries from 2025-06-18

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