Structure of PDB 4kc2 Chain A

Receptor sequence
>4kc2A (length=289) Species: 9606 (Homo sapiens) [Search protein sequence]
AIGEFMVSLPRMVYPQPKVLTPCRKDVLVVTPWLAPIVWEGTFNIDILNE
QFRLQNTTIGLTVFAIKKYVAFLKLFLETAEKHFMVGHRVHYYVFTDQPA
AVPRVTLGTGRQLSVLEVRAYKRWQDVSMRRMEMISDFCERRFLSEVDYL
VCVDVDMEFRDHVGVEILTPLFGTLHPGFYGSSREAFTYERRPQSQAYIP
KDEGDFYYGGAFFGGSVQEVQRLTRACHQAMMVDQANGIEAVWHDESHLN
KYLLRHKPTKVLSPEYLWDQQLLGWPAVLRKLRFTAVPK
3D structure
PDB4kc2 Design of glycosyltransferase inhibitors: pyridine as a pyrophosphate surrogate.
ChainA
Resolution1.7 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H233 G266 W300 E303 A343
Catalytic site (residue number reindexed from 1) H176 G209 W243 E246 A286
Enzyme Commision number 2.4.1.37: fucosylgalactoside 3-alpha-galactosyltransferase.
2.4.1.40: glycoprotein-fucosylgalactoside alpha-N-acetylgalactosaminyltransferase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 BHE A H233 F236 T245 W300 E303 D326 H176 F179 T188 W243 E246 D269
BS02 WS2 A F121 A122 I123 Y126 W181 V184 R188 D211 V212 D213 F64 A65 I66 Y69 W124 V127 R131 D154 V155 D156 PDBbind-CN: -logKd/Ki=3.31,IC50=493uM
Gene Ontology
Molecular Function
GO:0016758 hexosyltransferase activity
Biological Process
GO:0005975 carbohydrate metabolic process
Cellular Component
GO:0016020 membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4kc2, PDBe:4kc2, PDBj:4kc2
PDBsum4kc2
PubMed24108680
UniProtP16442|BGAT_HUMAN Histo-blood group ABO system transferase (Gene Name=ABO)

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