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1BEQ

INTERACTION BETWEEN PROXIMAL AND DISTALS REGIONS OF CYTOCHROME C PEROXIDASE

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 Residues20
DetailsBINDING SITE FOR RESIDUE HEM A 296
ChainResidue
APRO44
AGLY178
ALYS179
ATHR180
AHIS181
AASN184
ASER185
AHOH348
AHOH595
AHOH596
AHOH895
AARG48
AHOH896
ATRP51
APRO145
AASP146
ALEU171
AALA174
AHIS175
ALEU177

site_idAC2
Number of Residues10
DetailsBINDING SITE FOR RESIDUE MES A 975
ChainResidue
AHIS175
ALEU177
AGLY178
ATHR180
AASN205
ATYR229
AMET230
AMET231
AHOH712
AHOH977

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
AHIS52

site_idSWS_FT_FI2
Number of Residues1
DetailsACT_SITE: Tryptophan radical intermediate
ChainResidueDetails
ATYR191

site_idSWS_FT_FI3
Number of Residues1
DetailsBINDING: axial binding residue
ChainResidueDetails
AHIS175

site_idSWS_FT_FI4
Number of Residues1
DetailsSITE: Transition state stabilizer
ChainResidueDetails
AARG48

site_idSWS_FT_FI5
Number of Residues1
DetailsMOD_RES: Phosphotyrosine => ECO:0007744|PubMed:18407956
ChainResidueDetails
ATYR153

Catalytic Information from CSA
site_idMCSA1
Number of Residues3
DetailsM-CSA 709
ChainResidueDetails
AARG48electrostatic stabiliser
AHIS52electrostatic stabiliser, proton acceptor, proton donor
ATYR191single electron acceptor, single electron donor

218853

PDB entries from 2024-04-24

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