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1QL4

Structure of the soluble domain of cytochrome c552 from Paracoccus denitrificans in the oxidised state

Functional Information from GO Data
ChainGOidnamespacecontents
A0009055molecular_functionelectron transfer activity
A0020037molecular_functionheme binding
B0009055molecular_functionelectron transfer activity
B0020037molecular_functionheme binding
C0009055molecular_functionelectron transfer activity
C0020037molecular_functionheme binding
D0009055molecular_functionelectron transfer activity
D0020037molecular_functionheme binding
Functional Information from PDB Data
site_idAC1
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEC A 101
ChainResidue
ALYS13
AMET50
ATRP57
ALEU62
APHE65
ALEU66
ATHR76
ALYS77
AMET78
AALA79
APHE80
ACYS14
AHOH2086
ACYS17
AHIS18
AVAL26
AARG36
AALA39
ATYR46
ASER47

site_idAC2
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEC B 101
ChainResidue
BLYS13
BCYS14
BCYS17
BHIS18
BVAL26
BPRO28
BARG36
BALA39
BTYR46
BSER47
BMET50
BTRP57
BLEU62
BLEU66
BTHR76
BLYS77
BMET78
BHOH2086

site_idAC3
Number of Residues24
DetailsBINDING SITE FOR RESIDUE HEC C 101
ChainResidue
CLYS13
CCYS14
CCYS17
CHIS18
CVAL26
CPRO28
CLEU30
CARG36
CALA39
CVAL41
CTYR46
CSER47
CMET50
CTRP57
CLEU62
CLEU66
CTHR76
CLYS77
CMET78
CALA79
CPHE80
CLEU92
CHOH2057
DLEU20

site_idAC4
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEC D 101
ChainResidue
CASN23
DLYS13
DCYS14
DCYS17
DHIS18
DVAL26
DPRO28
DARG36
DALA39
DTYR46
DSER47
DTRP57
DLEU66
DTHR76
DLYS77
DMET78
DHOH2091

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues8
DetailsBINDING: covalent
ChainResidueDetails
ACYS14
ACYS17
BCYS14
BCYS17
CCYS14
CCYS17
DCYS14
DCYS17

site_idSWS_FT_FI2
Number of Residues12
DetailsBINDING: axial binding residue => ECO:0000255|PROSITE-ProRule:PRU00433
ChainResidueDetails
AHIS18
DHIS18
DMET50
DMET78
AMET50
AMET78
BHIS18
BMET50
BMET78
CHIS18
CMET50
CMET78

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PDB entries from 2025-06-11

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