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4DP1

The 1.35 Angstrom crystal structure of reduced (CuI) poplar plastocyanin B at pH 4.0

Functional Information from GO Data
ChainGOidnamespacecontents
X0005507molecular_functioncopper ion binding
X0009055molecular_functionelectron transfer activity
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CU1 X 100
ChainResidue
XPRO36
XHIS37
XCYS84
XHIS87
XMET92

site_idAC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO4 X 101
ChainResidue
XHIS87
XGOL102
XHOH220
XHOH222
XHOH230
XPRO16
XSER17
XGLU18
XLYS54

site_idAC3
Number of Residues9
DetailsBINDING SITE FOR RESIDUE GOL X 102
ChainResidue
XASP51
XILE55
XALA73
XSER75
XASP76
XSO4101
XHOH222
XHOH224
XHOH317

site_idAC4
Number of Residues7
DetailsBINDING SITE FOR RESIDUE ACT X 103
ChainResidue
XLEU4
XALA7
XASP8
XASP76
XHOH255
XHOH260
XHOH284

Functional Information from PROSITE/UniProt
site_idPS00196
Number of Residues15
DetailsCOPPER_BLUE Type-1 copper (blue) proteins signature. Ge.YtFYCs.P.HqgagM
ChainResidueDetails
XGLY78-MET92

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues98
DetailsDomain: {"description":"Plastocyanin-like"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"22883960","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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