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1I54

CYTOCHROME C (TUNA) 2FE:1ZN MIXED-METAL PORPHYRINS

Functional Information from GO Data
ChainGOidnamespacecontents
A0005758cellular_componentmitochondrial intermembrane space
A0009055molecular_functionelectron transfer activity
A0020037molecular_functionheme binding
A0022904biological_processrespiratory electron transport chain
A0046872molecular_functionmetal ion binding
B0005758cellular_componentmitochondrial intermembrane space
B0009055molecular_functionelectron transfer activity
B0020037molecular_functionheme binding
B0022904biological_processrespiratory electron transport chain
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEC A 1104
ChainResidue
ALYS13
ATYR46
ATYR48
ATHR49
AASN52
ALYS55
ATRP59
ATYR67
ATHR78
ALYS79
AMET80
ACYS14
APHE82
ALEU94
AHOH1127
ACYS17
AHIS18
AVAL28
AGLY29
APRO30
ATHR40
AGLY41

site_idAC2
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEC B 1106
ChainResidue
BLYS13
BCYS14
BCYS17
BHIS18
BVAL28
BGLY29
BPRO30
BTHR40
BGLY41
BTYR46
BTYR48
BTHR49
BASN52
BLYS55
BTRP59
BTYR67
BTHR78
BLYS79
BMET80
BPHE82
BHOH1144

site_idAC3
Number of Residues21
DetailsBINDING SITE FOR RESIDUE ZNH A 1105
ChainResidue
ALYS13
ACYS14
ACYS17
AHIS18
AVAL28
AGLY29
APRO30
ATHR40
AGLY41
ATYR46
ATYR48
ATHR49
AASN52
ALYS55
ATRP59
ATYR67
ATHR78
ALYS79
AMET80
APHE82
AHOH1127

site_idAC4
Number of Residues21
DetailsBINDING SITE FOR RESIDUE ZNH B 1107
ChainResidue
BLYS13
BCYS14
BCYS17
BHIS18
BVAL28
BGLY29
BPRO30
BTHR40
BGLY41
BTYR46
BTYR48
BTHR49
BASN52
BLYS55
BTRP59
BTYR67
BTHR78
BLYS79
BMET80
BPHE82
BHOH1144

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

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"N-acetylglycine","evidences":[{"source":"UniProtKB","id":"P00025","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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