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1K2X

Crystal structure of putative asparaginase encoded by Escherichia coli ybiK gene

Functional Information from GO Data
ChainGOidnamespacecontents
A0016787molecular_functionhydrolase activity
B0016787molecular_functionhydrolase activity
C0016787molecular_functionhydrolase activity
D0016787molecular_functionhydrolase activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA A 801
ChainResidue
ALEU60
AGLU61
ACME63
APHE66
AALA68
AILE70

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL A 803
ChainResidue
AGLN23
DILE310
DTYR311

site_idAC3
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL A 808
ChainResidue
ATHR146
ASER147

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CL A 810
ChainResidue
AGLY13
AALA14
AHOH1038
BTHR292
BGLU293

site_idAC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL A 811
ChainResidue
AARG104
AVAL139
AHOH841

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA C 802
ChainResidue
CLEU60
CGLU61
CCME63
CPHE66
CALA68
CILE70

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL C 804
ChainResidue
BILE310
BTYR311
BHOH353
CGLN23

site_idAC8
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL C 807
ChainResidue
CARG104
CVAL139
CHOH897

site_idAC9
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL C 809
ChainResidue
CTHR146
CSER147

site_idBC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL D 805
ChainResidue
BTYR251
DARG262
DLYS267

site_idBC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL D 806
ChainResidue
DTHR292
DGLU293

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsACT_SITE: Nucleophile => ECO:0000305|PubMed:18323626
ChainResidueDetails
BTHR179
DTHR179

site_idSWS_FT_FI2
Number of Residues4
DetailsBINDING: BINDING => ECO:0000269|PubMed:15946951, ECO:0007744|PDB:2ZAL
ChainResidueDetails
BARG207
BTHR230
DARG207
DTHR230

Catalytic Information from CSA
site_idCSA1
Number of Residues5
DetailsAnnotated By Reference To The Literature 1apy
ChainResidueDetails
AASN67
BTHR179
BGLY231
BTHR197
BTHR230

site_idCSA2
Number of Residues5
DetailsAnnotated By Reference To The Literature 1apy
ChainResidueDetails
CASN67
DTHR179
DGLY231
DTHR197
DTHR230

site_idCSA3
Number of Residues1
DetailsAnnotated By Reference To The Literature 1apy
ChainResidueDetails
AGLY69

site_idCSA4
Number of Residues1
DetailsAnnotated By Reference To The Literature 1apy
ChainResidueDetails
CGLY69

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PDB entries from 2025-06-18

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