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6XNK

Crystal structure of dimeric K72A human cytochrome c alkaline conformer

Functional Information from GO Data
ChainGOidnamespacecontents
A0005515molecular_functionprotein binding
A0005634cellular_componentnucleus
A0005739cellular_componentmitochondrion
A0005743cellular_componentmitochondrial inner membrane
A0005758cellular_componentmitochondrial intermembrane space
A0005829cellular_componentcytosol
A0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
A0006123biological_processmitochondrial electron transport, cytochrome c to oxygen
A0009055molecular_functionelectron transfer activity
A0020037molecular_functionheme binding
A0045333biological_processcellular respiration
A0097190biological_processapoptotic signaling pathway
A0097193biological_processintrinsic apoptotic signaling pathway
A0097194biological_processexecution phase of apoptosis
C0005515molecular_functionprotein binding
C0005634cellular_componentnucleus
C0005739cellular_componentmitochondrion
C0005743cellular_componentmitochondrial inner membrane
C0005758cellular_componentmitochondrial intermembrane space
C0005829cellular_componentcytosol
C0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
C0006123biological_processmitochondrial electron transport, cytochrome c to oxygen
C0009055molecular_functionelectron transfer activity
C0020037molecular_functionheme binding
C0045333biological_processcellular respiration
C0097190biological_processapoptotic signaling pathway
C0097193biological_processintrinsic apoptotic signaling pathway
C0097194biological_processexecution phase of apoptosis
E0005515molecular_functionprotein binding
E0005634cellular_componentnucleus
E0005739cellular_componentmitochondrion
E0005743cellular_componentmitochondrial inner membrane
E0005758cellular_componentmitochondrial intermembrane space
E0005829cellular_componentcytosol
E0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
E0006123biological_processmitochondrial electron transport, cytochrome c to oxygen
E0009055molecular_functionelectron transfer activity
E0020037molecular_functionheme binding
E0045333biological_processcellular respiration
E0097190biological_processapoptotic signaling pathway
E0097193biological_processintrinsic apoptotic signaling pathway
E0097194biological_processexecution phase of apoptosis
G0005515molecular_functionprotein binding
G0005634cellular_componentnucleus
G0005739cellular_componentmitochondrion
G0005743cellular_componentmitochondrial inner membrane
G0005758cellular_componentmitochondrial intermembrane space
G0005829cellular_componentcytosol
G0006122biological_processmitochondrial electron transport, ubiquinol to cytochrome c
G0006123biological_processmitochondrial electron transport, cytochrome c to oxygen
G0009055molecular_functionelectron transfer activity
G0020037molecular_functionheme binding
G0045333biological_processcellular respiration
G0097190biological_processapoptotic signaling pathway
G0097193biological_processintrinsic apoptotic signaling pathway
G0097194biological_processexecution phase of apoptosis
Functional Information from PDB Data
site_idAC1
Number of Residues20
Detailsbinding site for residue HEC A 201
ChainResidue
ALYS13
ATYR48
ATHR49
AALA51
AASN52
ATRP59
APRO76
ALYS79
APHE82
AHOH307
AHOH313
ACYS14
CLEU94
ACYS17
AHIS18
ATHR28
APRO30
ATHR40
AGLY41
ATYR46

site_idAC2
Number of Residues22
Detailsbinding site for Di-peptide HEC C 201 and CYS C 14
ChainResidue
CPHE10
CLYS13
CSER15
CGLN16
CCYS17
CHIS18
CTHR28
CPRO30
CGLY41
CTYR46
CTYR48
CTHR49
CASN52
CTRP59
CTYR67
CLYS79
CPHE82
CVAL83
CLYS86
CHOH301
CHOH306
CHOH321

site_idAC3
Number of Residues22
Detailsbinding site for Di-peptide HEC E 201 and CYS E 17
ChainResidue
ELYS13
ECYS14
ESER15
EGLN16
EHIS18
ELYS27
ETHR28
EGLY29
EPRO30
ELEU35
EGLY41
ETYR48
ETHR49
EALA51
EASN52
ETRP59
ETYR67
ELYS79
EPHE82
ELYS86
EHOH304
EHOH306

site_idAC4
Number of Residues22
Detailsbinding site for Di-peptide HEC E 201 and CYS E 14
ChainResidue
EPHE10
ELYS13
ESER15
EGLN16
ECYS17
EHIS18
ETHR28
EGLY29
EPRO30
ELEU35
EGLY41
ETYR48
ETHR49
EALA51
EASN52
ETRP59
ETYR67
ELYS79
EPHE82
ELYS86
EHOH304
EHOH306

site_idAC5
Number of Residues22
Detailsbinding site for Di-peptide HEC G 201 and CYS G 14
ChainResidue
GALA51
GASN52
GTRP59
GTYR67
GPRO76
GLYS79
GPHE82
GLYS86
GHOH313
GPHE10
GMET12
GLYS13
GSER15
GGLN16
GCYS17
GHIS18
GTHR28
GTHR40
GGLY41
GTYR46
GTYR48
GTHR49

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues8
DetailsBinding site: {"description":"covalent","evidences":[{"source":"PROSITE-ProRule","id":"PRU00433","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"23150584","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PROSITE-ProRule","id":"PRU00433","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"23150584","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"description":"axial binding residue"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsModified residue: {"description":"N-acetylglycine","evidences":[{"source":"PubMed","id":"13933734","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues8
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"UniProtKB","id":"P62894","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues4
DetailsModified residue: {"description":"N6-succinyllysine","evidences":[{"source":"UniProtKB","id":"P62897","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues4
DetailsModified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"P62897","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues4
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P62897","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

251801

PDB entries from 2026-04-08

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