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

Chain	GOid	namespace	contents
A	0004601	molecular_function	peroxidase activity
A	0006979	biological_process	response to oxidative stress
A	0020037	molecular_function	heme binding
A	0034599	biological_process	cellular response to oxidative stress

Functional Information from PDB Data

site_id	AC1
Number of Residues	25
Details	BINDING SITE FOR RESIDUE HEM A 1

Chain	Residue
A	BZI2
A	ALA174
A	HIS175
A	LEU177
A	GLY178
A	LYS179
A	THR180
A	HIS181
A	ASN184
A	SER185
A	LEU230
A	PRO44
A	THR232
A	HOH302
A	HOH311
A	HOH313
A	HOH314
A	HOH811
A	ARG48
A	TRP51
A	PRO145
A	ASP146
A	ALA147
A	LEU171
A	MET172

---

site_id	AC2
Number of Residues	9
Details	BINDING SITE FOR RESIDUE BZI A 2

Chain	Residue
A	HEM1
A	HIS175
A	LEU177
A	GLY178
A	LYS179
A	MET228
A	MET229
A	ASP233
A	HOH799

---

Functional Information from PROSITE/UniProt

site_id	PS00435
Number of Residues	11
Details	PEROXIDASE_1 Peroxidases proximal heme-ligand signature. EVVALMGAHAL

Chain	Residue	Details
A	GLU167-LEU177

---

site_id	PS00436
Number of Residues	12
Details	PEROXIDASE_2 Peroxidases active site signature. GPvlVRLaWHIS

Chain	Residue	Details
A	GLY43-SER54

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	1
Details	Active site: {"description":"Proton acceptor"}

Chain

Residue

Details

---

site_id	SWS_FT_FI2
Number of Residues	1
Details	Binding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"10722697","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11170452","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"2169873","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"6092361","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8384877","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8673607","evidenceCode":"ECO:0000269"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI3
Number of Residues	1
Details	Site: {"description":"Transition state stabilizer"}

Chain

Residue

Details

---

site_id	SWS_FT_FI4
Number of Residues	1
Details	Modified residue: {"description":"Phosphotyrosine","evidences":[{"source":"PubMed","id":"18407956","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

Catalytic Information from CSA

site_id	CSA1
Number of Residues	3
Details	Annotated By Reference To The Literature 1apx

Chain	Residue	Details
A	ARG48
A	HIS52
A	ASN82

---

site_id	MCSA1
Number of Residues	2
Details	M-CSA 709

Chain	Residue	Details
A	ARG48	electrostatic stabiliser
A	HIS52	electrostatic stabiliser, proton acceptor, proton donor

---