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1FND

REFINED CRYSTAL STRUCTURE OF SPINACH FERREDOXIN REDUCTASE AT 1.7 ANGSTROMS RESOLUTION: OXIDIZED, REDUCED, AND 2'-PHOSPHO-5'-AMP BOUND STATES

Replaces:  2FNR
Functional Information from GO Data
ChainGOidnamespacecontents
A0016491molecular_functionoxidoreductase activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 317
ChainResidue
AASP84
AHIS90
ALYS91
AARG93

site_idAC2
Number of Residues21
DetailsBINDING SITE FOR RESIDUE FAD A 315
ChainResidue
AARG93
ALEU94
ATYR95
ASER96
ACYS114
AVAL115
ALYS116
ALEU118
ATYR120
AGLY130
AVAL131
ACYS132
ASER133
ATHR172
AGLU312
ATYR314
AHOH404
AHOH406
AHOH418
AHOH423
AHOH520

site_idAC3
Number of Residues20
DetailsBINDING SITE FOR RESIDUE A2P A 316
ChainResidue
ALYS116
AGLY171
AGLY203
AVAL204
APRO205
ASER234
AARG235
ALYS244
ATYR246
AGLN248
ALEU274
AGLY276
AMET277
AHOH438
AHOH444
AHOH445
AHOH535
AHOH555
AHOH560
AHOH594

site_idFAD
Number of Residues10
DetailsRESIDUES WHICH BIND FAD
ChainResidue
ALEU94
ATYR314
ATYR95
ASER96
ACYS114
ALYS116
AVAL131
ACYS132
ASER133
ATHR172

site_idPAM
Number of Residues8
DetailsRESIDUES WHICH BIND ADENOSINE-2',5'-DIPHOSPHATE
ChainResidue
ATHR57
ALYS116
ATHR172
ASER234
AARG235
ALYS244
ATYR246
AILE247

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsBINDING: BINDING => ECO:0000269|PubMed:1986412, ECO:0000269|PubMed:9852055
ChainResidueDetails
AVAL131
AARG93
ACYS114
ATYR120

site_idSWS_FT_FI2
Number of Residues4
DetailsBINDING: BINDING => ECO:0000250
ChainResidueDetails
AGLU312
ASER96
ATHR172
AGLY273

site_idSWS_FT_FI3
Number of Residues4
DetailsBINDING:
ChainResidueDetails
AVAL204
ASER234
ALYS244
ALYS116

Catalytic Information from CSA
site_idMCSA1
Number of Residues5
DetailsM-CSA 506
ChainResidueDetails
ATYR95alter redox potential, steric locator
ASER96proton shuttle (general acid/base)
ACYS272alter redox potential, electrostatic stabiliser
AGLU312alter redox potential, electrostatic stabiliser, proton shuttle (general acid/base)
ATYR314alter redox potential, steric locator

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PDB entries from 2024-05-29

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