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3I0A

Crystal structure of Siderocalin (NGAL, Lipocalin 2) K134A mutant complexed with Ferric Enterobactin

Functional Information from GO Data
ChainGOidnamespacecontents
A0036094molecular_functionsmall molecule binding
B0036094molecular_functionsmall molecule binding
C0036094molecular_functionsmall molecule binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 179
ChainResidue
APRO162
AASN164
AHIS165
CLYS75

site_idAC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE FE A 180
ChainResidue
A3ET181
A2DS182

site_idAC3
Number of Residues15
DetailsBINDING SITE FOR RESIDUE 3ET A 181
ChainResidue
ATYR52
ALEU70
AARG72
ATYR106
APHE123
ALYS125
AFE180
A2DS182
AHOH185
AHOH214
AHOH219
AHOH220
AALA40
AILE41
AGLN49

site_idAC4
Number of Residues13
DetailsBINDING SITE FOR RESIDUE 2DS A 182
ChainResidue
ASER68
AARG72
ATRP79
ALEU94
ATYR100
ALEU103
ATYR106
ALYS125
AFE180
A3ET181
AHOH211
AHOH214
AHOH220

site_idAC5
Number of Residues1
DetailsBINDING SITE FOR RESIDUE FE B 179
ChainResidue
BDBH180

site_idAC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE DBH B 180
ChainResidue
BALA40
BTYR106
BLYS125
BFE179
BHOH185

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 C 179
ChainResidue
ALYS75
CPRO162
CASN164
CHIS165

site_idAC8
Number of Residues1
DetailsBINDING SITE FOR RESIDUE FE C 180
ChainResidue
CMCJ183

site_idAC9
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL C 181
ChainResidue
CGLY86
CSER87
CTHR93
CLEU94
CILE97
CTYR106
CHOH217

site_idBC1
Number of Residues2
DetailsBINDING SITE FOR RESIDUE GOL C 182
ChainResidue
CGLU60
CASP61

site_idBC2
Number of Residues16
DetailsBINDING SITE FOR RESIDUE MCJ C 183
ChainResidue
CALA40
CSER68
CARG72
CTRP79
CARG81
CLEU94
CTYR100
CLEU103
CTYR106
CPHE123
CLYS125
CTYR132
CFE180
CHOH191
CHOH202
CHOH240

Functional Information from PROSITE/UniProt
site_idPS00213
Number of Residues14
DetailsLIPOCALIN Lipocalin signature. NFQdnQFQGKWYVV
ChainResidueDetails
AASN21-VAL34

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PDB","id":"1X89","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1X8U","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PDB","id":"3CMP","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15642259","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1X89","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1X8U","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues3
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"10684642","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15084671","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16335952","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16740002","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19159218","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7683678","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1DFV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1QQS","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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