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1KAH

L-HISTIDINOL DEHYDROGENASE (HISD) STRUCTURE COMPLEXED WITH L-HISTIDINE (PRODUCT), ZN AND NAD (COFACTOR)

Functional Information from GO Data
ChainGOidnamespacecontents
A0000105biological_processL-histidine biosynthetic process
A0004399molecular_functionhistidinol dehydrogenase activity
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0008270molecular_functionzinc ion binding
A0008652biological_processamino acid biosynthetic process
A0016491molecular_functionoxidoreductase activity
A0016616molecular_functionoxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
A0030145molecular_functionmanganese ion binding
A0046872molecular_functionmetal ion binding
A0051287molecular_functionNAD binding
B0000105biological_processL-histidine biosynthetic process
B0004399molecular_functionhistidinol dehydrogenase activity
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0008270molecular_functionzinc ion binding
B0008652biological_processamino acid biosynthetic process
B0016491molecular_functionoxidoreductase activity
B0016616molecular_functionoxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
B0030145molecular_functionmanganese ion binding
B0046872molecular_functionmetal ion binding
B0051287molecular_functionNAD binding
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ZN A 501
ChainResidue
AHIS262
AGLU356
AASP360
AHIS502
BHIS419

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ZN B 502
ChainResidue
BASP360
AHIS419
AHIS503
BHIS262
BGLU356

site_idAC3
Number of Residues13
DetailsBINDING SITE FOR RESIDUE HIS A 502
ChainResidue
ALEU138
ASER237
AHIS262
AGLU326
AHIS327
AGLU356
AASP360
ATYR361
AHIS367
AZN501
BGLU414
BLEU416
BHIS419

site_idAC4
Number of Residues9
DetailsBINDING SITE FOR RESIDUE HIS A 503
ChainResidue
AGLU414
ALEU416
AHIS419
BSER140
BHIS262
BASP360
BTYR361
BHIS367
BZN502

Functional Information from PROSITE/UniProt
site_idPS00611
Number of Residues33
DetailsHISOL_DEHYDROGENASE Histidinol dehydrogenase signature. IDmp.AGPSEVLVIAdsgAtpdf..VASDLLSqaEH
ChainResidueDetails
AILE230-HIS262

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"11842181","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11842181","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11842181","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues5
DetailsM-CSA 741
ChainResidueDetails
AARG279metal ligand
AALA282metal ligand
ALEU350proton acceptor, proton donor
AGLY351proton acceptor, proton donor
AALA384metal ligand

site_idMCSA2
Number of Residues5
DetailsM-CSA 741
ChainResidueDetails
BARG279metal ligand
BALA282metal ligand
BLEU350proton acceptor, proton donor
BGLY351proton acceptor, proton donor
BALA384metal ligand

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PDB entries from 2026-01-14

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