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2Q7W

Structural Studies Reveals the Inactivation of E. coli L-aspartate aminotransferase (S)-4,5-amino-dihydro-2-thiophenecarboxylic acid (SADTA) via two mechanisms at pH 6.0

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0004069molecular_functionL-aspartate:2-oxoglutarate aminotransferase activity
A0004838molecular_functionL-tyrosine-2-oxoglutarate transaminase activity
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006520biological_processamino acid metabolic process
A0008483molecular_functiontransaminase activity
A0009058biological_processbiosynthetic process
A0009094biological_processL-phenylalanine biosynthetic process
A0016740molecular_functiontransferase activity
A0030170molecular_functionpyridoxal phosphate binding
A0033585biological_processL-phenylalanine biosynthetic process from chorismate via phenylpyruvate
A0042802molecular_functionidentical protein binding
A0042803molecular_functionprotein homodimerization activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 500
ChainResidue
ALYS121
AARG122
AARG360
AHOH1161

site_idAC2
Number of Residues18
DetailsBINDING SITE FOR RESIDUE PSZ A 600
ChainResidue
ATRP130
AASN183
AASP211
ATYR214
ASER243
ASER245
AKST246
AARG254
APHE348
AARG374
AGOL810
AHOH817
AHOH980
AILE33
AGLY34
ATYR65
AGLY103
ATHR104

site_idAC3
Number of Residues12
DetailsBINDING SITE FOR RESIDUE PMP A 700
ChainResidue
ATYR65
AGLY103
ATHR104
ATRP130
AASN183
AASP211
ATYR214
ASER243
ASER245
AKST246
AARG254
AHOH817

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL A 801
ChainResidue
ALYS134
AASN138
AGLU143
AVAL144
AARG145
AGOL808

site_idAC5
Number of Residues10
DetailsBINDING SITE FOR RESIDUE GOL A 802
ChainResidue
AGLY216
AGLY220
ALEU221
AGLU308
ALEU311
ATHR312
AARG315
AGOL809
AHOH1112
AHOH1179

site_idAC6
Number of Residues3
DetailsBINDING SITE FOR RESIDUE GOL A 803
ChainResidue
APRO72
AARG76
AHOH898

site_idAC7
Number of Residues9
DetailsBINDING SITE FOR RESIDUE GOL A 804
ChainResidue
ATYR36
ATHR43
APRO44
ALEU46
AKST246
AGLY249
ATYR251
AMET314
AHOH1187

site_idAC8
Number of Residues9
DetailsBINDING SITE FOR RESIDUE GOL A 805
ChainResidue
APRO72
AGLY75
AARG76
AGLN79
AARG96
ATHR97
AHOH812
AHOH990
AHOH1132

site_idAC9
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL A 806
ChainResidue
AHIS155
AGLY186
AILE187
AASP188
ALYS343
AGLN344
AHOH876
AHOH1125

site_idBC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE GOL A 807
ChainResidue
AARG315
AGLN316
AGLN319

site_idBC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL A 808
ChainResidue
AASN138
AGLY141
ALEU142
AGLU143
AGOL801
AHOH931

site_idBC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL A 809
ChainResidue
AGLY220
ALEU221
AGLU222
AGLU223
AGOL802
AHOH1110
AHOH1179

site_idBC4
Number of Residues10
DetailsBINDING SITE FOR RESIDUE GOL A 810
ChainResidue
ASER284
AASN285
APSZ600
AHOH817
AHOH874
AHOH1042
AILE33
ATYR65
AKST246
AARG280

site_idBC5
Number of Residues9
DetailsBINDING SITE FOR RESIDUE GOL A 811
ChainResidue
AILE33
AVAL35
ALYS37
AASN64
AHOH963
AHOH1010
AHOH1042
AHOH1173
AHOH1231

Functional Information from PROSITE/UniProt
site_idPS00105
Number of Residues14
DetailsAA_TRANSFER_CLASS_1 Aminotransferases class-I pyridoxal-phosphate attachment site. SYSKnfGLyNERVG
ChainResidueDetails
ASER243-GLY256

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PDB","id":"1ART","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1CZE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3QPG","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4DBC","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PDB","id":"1AIB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ART","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1CZE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1SPA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3QPG","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4DBC","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PDB","id":"1AIB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ART","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ASC","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1CZE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1SPA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3QPG","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4DBC","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PDB","id":"1AHG","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1AIB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ARG","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ART","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1CZE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3QPG","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4DBC","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"N6-(pyridoxal phosphate)lysine","evidences":[{"source":"PubMed","id":"11148029","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"1993208","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"3298240","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9891001","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1AAW","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1AHE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1AHF","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1AHX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1AHY","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ARI","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ARS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ASA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ASB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ASD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ASE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ASF","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ASG","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ASM","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1ASN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1B4X","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1CZC","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1CZE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1G4V","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1G4X","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1G7W","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1G7X","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1IX6","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1IX7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1IX8","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1QIR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1QIS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1QIT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1YOO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2D5Y","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2D61","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2D63","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2D7Y","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3AAT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3ZZJ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5EAA","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ay4
ChainResidueDetails
AASP211
ATRP130

site_idCSA2
Number of Residues1
DetailsAnnotated By Reference To The Literature 1ay4
ChainResidueDetails
AILE68

site_idMCSA1
Number of Residues3
DetailsM-CSA 777
ChainResidueDetails
ATRP130steric role
AASP211proton shuttle (general acid/base)
AKST246proton shuttle (general acid/base)

246031

PDB entries from 2025-12-10

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