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4PXQ

Crystal structure of D-glucuronyl C5-epimerase in complex with heparin hexasaccharide

Functional Information from GO Data
ChainGOidnamespacecontents
A0000139cellular_componentGolgi membrane
A0005794cellular_componentGolgi apparatus
A0015012biological_processheparan sulfate proteoglycan biosynthetic process
A0016853molecular_functionisomerase activity
A0030210biological_processheparin proteoglycan biosynthetic process
A0042802molecular_functionidentical protein binding
A0046872molecular_functionmetal ion binding
A0047464molecular_functionheparosan-N-sulfate-glucuronate 5-epimerase activity
B0000139cellular_componentGolgi membrane
B0005794cellular_componentGolgi apparatus
B0015012biological_processheparan sulfate proteoglycan biosynthetic process
B0016853molecular_functionisomerase activity
B0030210biological_processheparin proteoglycan biosynthetic process
B0042802molecular_functionidentical protein binding
B0046872molecular_functionmetal ion binding
B0047464molecular_functionheparosan-N-sulfate-glucuronate 5-epimerase activity
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues32
DetailsBinding site: {"evidences":[{"source":"PDB","id":"4PXQ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"O94923","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues8
DetailsSite: {"description":"Critical for catalysis","evidences":[{"source":"PubMed","id":"25568314","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

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PDB entries from 2025-12-24

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