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2BH4

X-ray structure of the M100K variant of ferric cyt c-550 from Paracoccus versutus determined at 100 K.

Functional Information from GO Data
ChainGOidnamespacecontents
X0009055molecular_functionelectron transfer activity
X0020037molecular_functionheme binding
Functional Information from PDB Data
site_idAC1
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEC X 1123
ChainResidue
XLYS14
XGLY56
XILE59
XTRP71
XLEU76
XTYR79
XVAL80
XPRO85
XTHR98
XLYS99
XLYS100
XCYS15
XHOH2089
XHOH2139
XHOH2140
XCYS18
XHIS19
XTHR35
XLEU39
XARG45
XALA48
XTYR55

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsBinding site: {"description":"covalent","evidences":[{"source":"PROSITE-ProRule","id":"PRU00433","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PROSITE-ProRule","id":"PRU00433","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

259987

PDB entries from 2026-09-23

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