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1KKR

CRYSTAL STRUCTURE OF CITROBACTER AMALONATICUS METHYLASPARTATE AMMONIA LYASE CONTAINING (2S,3S)-3-METHYLASPARTIC ACID

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0050096molecular_functionmethylaspartate ammonia-lyase activity
B0003824molecular_functioncatalytic activity
B0050096molecular_functionmethylaspartate ammonia-lyase activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 501
ChainResidue
AASP238
AGLU273
AASP307
A2AS801
AHOH1070
AHOH1124

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG B 501
ChainResidue
BASP307
BHOH527
BHOH536
A2AS800
BASP238
BGLU273

site_idAC3
Number of Residues17
DetailsBINDING SITE FOR RESIDUE 2AS A 800
ChainResidue
AHOH904
AHOH1016
AHOH1032
BGLN172
BHIS194
BASP238
BTYR240
BGLU273
BASP307
BGLN329
BLYS331
BGLY359
BTHR360
BCYS361
BMG501
BHOH508
BHOH527

site_idAC4
Number of Residues13
DetailsBINDING SITE FOR RESIDUE 2AS A 801
ChainResidue
AGLN172
AHIS194
AASP238
AGLU273
AASP307
AGLN329
ALYS331
AGLY359
ATHR360
ACYS361
AMG501
AHOH815
AHOH1072

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"11796115","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11796115","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsSite: {"description":"Transition state stabilizer"}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1kcz
ChainResidueDetails
ALYS331
AHIS194

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1kcz
ChainResidueDetails
BLYS331
BHIS194

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1kcz
ChainResidueDetails
AARG212
ALYS331

site_idCSA4
Number of Residues2
DetailsAnnotated By Reference To The Literature 1kcz
ChainResidueDetails
BARG212
BLYS331

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PDB entries from 2026-04-08

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