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5XEC

Heterodimer constructed from PA cyt c551-HT cyt c552 and HT cyt c552-PA cyt c551 chimeric proteins

Functional Information from GO Data
ChainGOidnamespacecontents
A0005506molecular_functioniron ion binding
A0009055molecular_functionelectron transfer activity
A0020037molecular_functionheme binding
C0005506molecular_functioniron ion binding
C0009055molecular_functionelectron transfer activity
C0020037molecular_functionheme binding
Functional Information from PDB Data
site_idAC1
Number of Residues22
Detailsbinding site for residue HEC C 101
ChainResidue
CPRO23
CTRP54
CGLY55
CILE57
CMET59
CASN62
CHOH211
CHOH216
CHOH256
AGLY11
ACYS12
CTYR25
ACYS15
AHIS16
APRO60
CLYS31
CPHE32
CLEU42
CARG45
CGLN51
CGLY52
CVAL53

site_idAC2
Number of Residues19
Detailsbinding site for residue HEC C 102
ChainResidue
CCYS10
CCYS13
CHIS14
CHOH215
AGLY24
APRO25
ATYR27
ATYR34
ATYR43
AILE48
ASER53
AGLY54
AVAL55
ATRP56
AGLY57
AVAL59
AMET61
AGLN64
AHOH219

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsBinding site: {"description":"covalent"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsBinding site: {"description":"axial binding residue"}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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