2hzp

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Template:STRUCTURE 2hzp

Contents

Crystal Structure of Homo Sapiens Kynureninase

Template:ABSTRACT PUBMED 17300176

Disease

[KYNU_HUMAN] Note=Xanthurenic aciduria manifesting as massive urinary excretion of large amounts of kynurenine, 3-hydroxykynurenine and xanthurenic acid has been observed in an individual carrying a homozygous missense change in KYNU (PubMed:17334708). The urinary pattern in the patient suggests kynureninase deficiency and a block in the conversion of kynurenine and 3-hydroxykynurenine to anthranilate and 3-hydroxyanthranilate, respectively.[HAMAP-Rule:MF_03017]

Function

[KYNU_HUMAN] Catalyzes the cleavage of L-kynurenine (L-Kyn) and L-3-hydroxykynurenine (L-3OHKyn) into anthranilic acid (AA) and 3-hydroxyanthranilic acid (3-OHAA), respectively. Has a preference for the L-3-hydroxy form. Also has cysteine-conjugate-beta-lyase activity.[HAMAP-Rule:MF_03017]

About this Structure

2hzp is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

  • Lima S, Khristoforov R, Momany C, Phillips RS. Crystal structure of Homo sapiens kynureninase. Biochemistry. 2007 Mar 13;46(10):2735-44. Epub 2007 Feb 15. PMID:17300176 doi:10.1021/bi0616697

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