Structure of PDB 2ckj Chain B Binding Site BS02

Receptor Information
>2ckj Chain B (length=1289) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TADKLVFFVNGRKVVEKNADPETTLLAYLRRKLGLSGTKLGCGEGGCGAC
TVMLSKYDRLQNKIVHFSANACLAPICSLHHVAVTTVEGIGSTKTRLHPV
QERIAKSHGSQCGFCTPGIVMSMYTLLRNQPEPTMEEIENAFQGNLCRCT
GYRPILQGFRTFARPSLFKPEEFTPLDPTQEPIFPPELLRLKDTPRKQLR
FEGERVTWIQASTLKELLDLKAQHPDAKLVVGNTEIGIEMKFKNMLFPMI
VCPAWIPELNSVEHGPDGISFGAACPLSIVEKTLVDAVAKLPAQKTEVFR
GVLEQLRWFAGKQVKSVASVGGNIITASPISDLNPVFMASGAKLTLVSRG
TRRTVQMDHTFFPGYRKTLLSPEEILLSIEIPYSREGEYFSAFKQASRRE
DDIAKVTSGMRVLFKPGTTEVQELALCYGGMANRTISALKTTQRQLSKLW
KEELLQDVCAGLAEELHLPPDAPGGMVDFRCTLTLSFFFKFYLTVLQKLG
QENLEDKCGKLDPTFASATDVQLFQEVPKGQSEEDMVGRPLPHLAADMQA
SGEAVYCDDIPRYENELSLRLVTSTRAHAKIKSIDTSEAKKVPGFVCFIS
ADDVPGSNITGICNDETVFAKDKVTCVGHIIGAVVADTPEHTQRAAQGVK
ITYEELPAIITIEDAIKNNSFYGPELKIEKGDLKKGFSEADNVVSGEIYI
GGQEHFYLETHCTIAVPKGEAGEMELFVSTQNTMKTQSFVAKMLGVPANR
IVVRVKRMGGGFGGKETRSTVVSTAVALAAYKTGRPVRCMLDRDEDMLIT
GGRHPFLARYKVGFMKTGTVVALEVDHFSNVGNTQDLSQSIMERALFHMD
NCYKIPNIRGTGRLCKTNLPSNTAFRGFGGPQGMLIAECWMSEVAVTCGM
PAEEVRRKNLYKEGDLTHFNQKLEGFTLPRCWEECLASSQYHARKSEVDK
FNKENCWKKRGLCIIPTKFGISFTVPFLNQAGALLHVYTDGSVLLTHGGT
EMGQGLHTKMVQVASRALKIPTSKIYISETSTNTVPNTSPTAASVSADLN
GQAVYAACQTILKRLEPYKKKNPSGSWEDWVTAAYMDTVSLSATGFYRTP
NLGYSFETNSGNPFHYFSYGVACSEVEIDCLTGDHKNLRTDIVMDVGSSL
NPAIDIGQVEGAFVQGLGLFTLEELHYSPEGSLHTRGPSTYKIPAFGSIP
IEFRVSLLRDCPNKKAIYASKAVGEPPLFLAASIFFAIKDAIRAARAQHT
GNNVKELFRLDSPATPEKIRNACVDKFTTLCVCKPWSVR
Ligand information
Ligand IDFES
InChIInChI=1S/2Fe.2S
InChIKeyNIXDOXVAJZFRNF-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04[Fe]1S[Fe]S1
CACTVS 3.341
OpenEye OEToolkits 1.5.0		S1[Fe]S[Fe]1
FormulaFe2 S2
NameFE2/S2 (INORGANIC) CLUSTER
ChEMBL
DrugBank
ZINC
PDB chain2ckj Chain B Residue 3002 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB2ckj Human Milk Xanthine Dehydrogenase is Incompletely Converted to the Oxidase Form in the Absence of Proteolysis. A Structural Explanation.
Resolution3.59 Å
Binding residue
(original residue number in PDB)		G42 C43 G44 G46 C48 G49 C51 C73
Binding residue
(residue number reindexed from 1)		G41 C42 G43 G45 C47 G48 C50 C72
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) Q768 E803 R881 H885 R913 G1261 E1262
Catalytic site (residue number reindexed from 1) Q731 E766 R844 H848 R876 G1224 E1225
Enzyme Commision number 1.17.1.4: xanthine dehydrogenase.
1.17.3.2: xanthine oxidase.
Gene Ontology
Molecular Function
GO:0004854 xanthine dehydrogenase activity
GO:0004855 xanthine oxidase activity
GO:0005506 iron ion binding
GO:0005515 protein binding
GO:0016491 oxidoreductase activity
GO:0042803 protein homodimerization activity
GO:0043546 molybdopterin cofactor binding
GO:0046872 metal ion binding
GO:0050660 flavin adenine dinucleotide binding
GO:0051536 iron-sulfur cluster binding
GO:0051537 2 iron, 2 sulfur cluster binding
GO:0070674 hypoxanthine dehydrogenase activity
GO:0070675 hypoxanthine oxidase activity
GO:0071949 FAD binding
Biological Process
GO:0000255 allantoin metabolic process
GO:0001933 negative regulation of protein phosphorylation
GO:0001937 negative regulation of endothelial cell proliferation
GO:0006147 guanine catabolic process
GO:0006148 inosine catabolic process
GO:0006149 deoxyinosine catabolic process
GO:0006154 adenosine catabolic process
GO:0006157 deoxyadenosine catabolic process
GO:0006161 deoxyguanosine catabolic process
GO:0006196 AMP catabolic process
GO:0006204 IMP catabolic process
GO:0006919 activation of cysteine-type endopeptidase activity involved in apoptotic process
GO:0007595 lactation
GO:0009114 hypoxanthine catabolic process
GO:0009115 xanthine catabolic process
GO:0010629 negative regulation of gene expression
GO:0016226 iron-sulfur cluster assembly
GO:0030856 regulation of epithelial cell differentiation
GO:0043605 amide catabolic process
GO:0045602 negative regulation of endothelial cell differentiation
GO:0046038 GMP catabolic process
GO:0046055 dGMP catabolic process
GO:0046059 dAMP catabolic process
GO:0051898 negative regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction
GO:1900745 positive regulation of p38MAPK cascade
GO:1900747 negative regulation of vascular endothelial growth factor signaling pathway
GO:2000379 positive regulation of reactive oxygen species metabolic process
GO:2001213 negative regulation of vasculogenesis
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005737 cytoplasm
GO:0005777 peroxisome
GO:0005829 cytosol
GO:0016529 sarcoplasmic reticulum

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2ckj, PDBe:2ckj, PDBj:2ckj
PDBsum2ckj
PubMed
UniProtP47989|XDH_HUMAN Xanthine dehydrogenase/oxidase (Gene Name=XDH)

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