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3HFK

Crystal structure of 4-methylmuconolactone methylisomerase (H52A) in complex with 4-methylmuconolactone

Functional Information from GO Data
ChainGOidnamespacecontents
A0016853molecular_functionisomerase activity
A0047469molecular_function4-carboxymethyl-4-methylbutenolide mutase activity
B0016853molecular_functionisomerase activity
B0047469molecular_function4-carboxymethyl-4-methylbutenolide mutase activity
C0016853molecular_functionisomerase activity
C0047469molecular_function4-carboxymethyl-4-methylbutenolide mutase activity
D0016853molecular_functionisomerase activity
D0047469molecular_function4-carboxymethyl-4-methylbutenolide mutase activity
Functional Information from PDB Data
site_idAC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE 4ML A 201
ChainResidue
ATYR6
AHIS26
ATYR39
ATYR78
ATRP87
APHE88
AGLY91
AILE95
A4ML202

site_idAC2
Number of Residues10
DetailsBINDING SITE FOR RESIDUE 4ML A 202
ChainResidue
AILE4
ATYR6
ATYR78
AMET79
AARG84
APHE88
A4ML201
DPRO48
DTHR51
DALA52

site_idAC3
Number of Residues9
DetailsBINDING SITE FOR RESIDUE 4ML B 201
ChainResidue
BTYR6
BHIS26
BTYR39
BTYR78
BTRP87
BPHE88
BGLY91
BILE95
B4ML202

site_idAC4
Number of Residues10
DetailsBINDING SITE FOR RESIDUE 4ML B 202
ChainResidue
BTYR6
BTYR78
BMET79
BARG84
BPHE88
BLEU98
B4ML201
CPRO48
CTHR51
CALA52

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE 4ML C 201
ChainResidue
CTYR6
CLEU8
CHIS26
CTYR39
CCYS67
CPHE88
CGLY91

site_idAC6
Number of Residues8
DetailsBINDING SITE FOR RESIDUE 4ML C 202
ChainResidue
BTHR51
BALA52
BHOH482
CILE4
CTYR6
CTYR75
CPHE88
CHOH123

site_idAC7
Number of Residues7
DetailsBINDING SITE FOR RESIDUE 4ML D 201
ChainResidue
DTYR6
DLEU8
DHIS26
DTYR39
DCYS67
DPHE88
DGLY91

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"PubMed","id":"19801657","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"19801657","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3HFK","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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