1eb7

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Image:1eb7.gif

1eb7, resolution 2.4Å

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CRYSTAL STRUCTURE OF THE DI-HAEM CYTOCHROME C PEROXIDASE FROM PSEUDOMONAS AERUGINOSA

Overview

BACKGROUND: Cytochrome c peroxidase from Pseudomonas aeruginosa (PsCCP), represents a new class of peroxidases which work without the need to, create a semi-stable free radical for catalysis. The enzyme is located in, the bacterial periplasm where its likely function is to provide protection, against toxic peroxides. The soluble 323-residue single polypeptide chain, contains two covalent c-type haems with very different properties: one of, them is a low-potential (-330 mV) centre where hydrogen peroxide is, reduced (the peroxidatic site); the other is a high-potential (+320 mV), centre which feeds electrons to the peroxidatic site from soluble, electron-shuttle proteins such as cytochrome c and azurin. RESULTS: The, crystal structure of the oxidized form of PsCCP has been determined to ... [(full description)]

About this Structure

1EB7 is a [Single protein] structure of sequence from [[1]] with CA and HEC as [ligands]. Active as [[2]], with EC number [1.11.1.5]. Full crystallographic information is available from [OCA].

Reference

Crystal structure of the di-haem cytochrome c peroxidase from Pseudomonas aeruginosa., Fulop V, Ridout CJ, Greenwood C, Hajdu J, Structure. 1995 Nov 15;3(11):1225-33. PMID:8591033

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