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3QPG

Crystal Structures of Escherichia coli Aspartate Aminotransferase Reconstituted with 1-Deaza-Pyridoxal 5'-Phosphate: Internal Aldimine and Stable L-Aspartate External Aldimine

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 Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 409
ChainResidue
AARG327
AGLN328
AHOH699
AHOH720
AHOH732

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 410
ChainResidue
ALYS133
AARG134
AARG372
AALA406

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 411
ChainResidue
ALYS146
AASN150
AGLU155
AVAL156
AARG157
AHOH726

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 412
ChainResidue
AALA127
AVAL132
AGLY153
ALEU154
AHOH568

site_idAC5
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 A 413
ChainResidue
AARG348
AASP349

site_idAC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 414
ChainResidue
ALYS49
ATHR55
ATHR74
AASN76
AHOH662

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 415
ChainResidue
APRO84
AARG88
AHOH577
AHOH690

site_idAC8
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SO4 A 416
ChainResidue
AGLY232
ALEU233
AGLU234
AGLU235
AHOH473
AHOH618
AHOH723

site_idAC9
Number of Residues9
DetailsBINDING SITE FOR RESIDUE EDO A 417
ChainResidue
APRO84
AGLY87
AARG88
AGLN91
AARG108
ATHR109
AHOH489
AHOH495
AHOH692

site_idBC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE EDO A 418
ChainResidue
AHOH6
ATHR90
ALEU94
AGLN227
ASER254
ATYR256
AASN259

site_idBC2
Number of Residues12
DetailsBINDING SITE FOR RESIDUE EDO A 419
ChainResidue
APRO196
ATHR197
AGLY198
AARG334
AGLN356
AASN357
AGLY358
AMET359
APHE360
ASER361
APHE362
AHOH485

site_idBC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE EDO A 420
ChainResidue
AHIS247
ALYS248
AGLU249
ALYS367

site_idBC4
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL A 421
ChainResidue
AARG108
AHOH670

site_idBC5
Number of Residues17
DetailsBINDING SITE FOR RESIDUE 3QP A 422
ChainResidue
AHOH11
AILE25
AGLY46
ATYR77
AGLY114
AGLY115
ATHR116
ATRP142
AASN195
AASP223
ATYR226
ASER255
ASER257
ALYS258
AARG266
AARG292
AARG386

Functional Information from PROSITE/UniProt
site_idPS00105
Number of Residues14
DetailsAA_TRANSFER_CLASS_1 Aminotransferases class-I pyridoxal-phosphate attachment site. SYSKnfGLyNERVG
ChainResidueDetails
ASER255-GLY268

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_idMCSA1
Number of Residues3
DetailsM-CSA 777
ChainResidueDetails
ATRP142steric role
AASP223proton shuttle (general acid/base)
ALYS258proton shuttle (general acid/base)

246905

PDB entries from 2025-12-31

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