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1KXM

Crystal structure of Cytochrome c Peroxidase with a Proposed Electron Transfer Pathway Excised to Form a Ligand Binding Channel.

Functional Information from GO Data
ChainGOidnamespacecontents
A0004601molecular_functionperoxidase activity
A0006979biological_processresponse to oxidative stress
A0020037molecular_functionheme binding
A0034599biological_processcellular response to oxidative stress
Functional Information from PDB Data
site_idAC1
Number of Residues25
DetailsBINDING SITE FOR RESIDUE HEM A 1
ChainResidue
ABZI2
AALA174
AHIS175
ALEU177
AGLY178
ALYS179
ATHR180
AHIS181
AASN184
ASER185
ALEU230
APRO44
ATHR232
AHOH302
AHOH311
AHOH313
AHOH314
AHOH811
AARG48
ATRP51
APRO145
AASP146
AALA147
ALEU171
AMET172

site_idAC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE BZI A 2
ChainResidue
AHEM1
AHIS175
ALEU177
AGLY178
ALYS179
AMET228
AMET229
AASP233
AHOH799

Functional Information from PROSITE/UniProt
site_idPS00435
Number of Residues11
DetailsPEROXIDASE_1 Peroxidases proximal heme-ligand signature. EVVALMGAHAL
ChainResidueDetails
AGLU167-LEU177

site_idPS00436
Number of Residues12
DetailsPEROXIDASE_2 Peroxidases active site signature. GPvlVRLaWHIS
ChainResidueDetails
AGLY43-SER54

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: Proton acceptor
ChainResidueDetails
ATRP51

site_idSWS_FT_FI2
Number of Residues1
DetailsACT_SITE: Tryptophan radical intermediate
ChainResidueDetails
AGLY190

site_idSWS_FT_FI3
Number of Residues1
DetailsBINDING: axial binding residue
ChainResidueDetails
AALA174

site_idSWS_FT_FI4
Number of Residues1
DetailsSITE: Transition state stabilizer
ChainResidueDetails
AVAL47

site_idSWS_FT_FI5
Number of Residues1
DetailsMOD_RES: Phosphotyrosine => ECO:0007744|PubMed:18407956
ChainResidueDetails
AGLY152

Catalytic Information from CSA
site_idMCSA1
Number of Residues3
DetailsM-CSA 709
ChainResidueDetails
AVAL47electrostatic stabiliser
ATRP51electrostatic stabiliser, proton acceptor, proton donor
AGLY190single electron acceptor, single electron donor

218500

PDB entries from 2024-04-17

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