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2J0W

Crystal structure of E. coli aspartokinase III in complex with aspartate and ADP (R-state)

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0003824molecular_functioncatalytic activity
A0004072molecular_functionaspartate kinase activity
A0005524molecular_functionATP binding
A0005829cellular_componentcytosol
A0008652biological_processamino acid biosynthetic process
A0009085biological_processlysine biosynthetic process
A0009089biological_processlysine biosynthetic process via diaminopimelate
A0009090biological_processhomoserine biosynthetic process
A0016301molecular_functionkinase activity
A0016740molecular_functiontransferase activity
A0042803molecular_functionprotein homodimerization activity
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL A 600
ChainResidue
AGLY43
ATHR45
AASN46

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 900
ChainResidue
AASP202
AADP820
AHOH2038
AHOH2039
AHOH2067
AHOH2068

site_idAC3
Number of Residues11
DetailsBINDING SITE FOR RESIDUE ASP A 502
ChainResidue
ASER39
ATHR45
AGLU119
APHE184
AARG198
AGLY199
AGLY200
ASER201
AHOH2001
AHOH2038
AHOH2068

site_idAC4
Number of Residues17
DetailsBINDING SITE FOR RESIDUE ADP A 820
ChainResidue
ALYS8
AGLY10
AGLY11
ATHR221
AASP222
AVAL223
AGLY225
ATYR227
AASP230
AARG232
AMET251
ALYS257
AVAL258
AMG900
AHOH2001
AHOH2067
AHOH2068

Functional Information from PROSITE/UniProt
site_idPS00324
Number of Residues9
DetailsASPARTOKINASE Aspartokinase signature. VsKFGGTSV
ChainResidueDetails
AVAL6-VAL14

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues81
DetailsDomain: {"description":"ACT","evidences":[{"source":"PROSITE-ProRule","id":"PRU01007","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues203
DetailsRegion: {"description":"Interface"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues150
DetailsRegion: {"description":"Required for homodimerization"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues12
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PDB","id":"2J0X","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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