Procollagen-lysine,2-oxoglutarate 5-dioxygenase 1

Definition:

Part of a complex composed of PLOD1, P3H3 and P3H4 that catalyzes hydroxylation of lysine residues in collagen alpha chains and is required for normal assembly and cross-linkling of collagen fibrils (By similarity). Forms hydroxylysine residues in -Xaa-Lys-Gly- sequences in collagens. These hydroxylysines serve as sites of attachment for carbohydrate units and are essential for the stability of the intermolecular collagen cross-links (Probable).

References:

[1]. H N Yeowell, et al. Deletion of cysteine 369 in lysyl hydroxylase 1 eliminates enzyme activity and causes Ehlers-Danlos syndrome type VI. Matrix Biol. 2000 Feb;19(1):37-46. [Content Brief]

[2]. Linda C Walker, et al. A novel mutation in the lysyl hydroxylase 1 gene causes decreased lysyl hydroxylase activity in an Ehlers-Danlos VIA patient. J Invest Dermatol. 2005 May;124(5):914-8. [Content Brief]

[3]. A Pirskanen, et al. Site-directed mutagenesis of human lysyl hydroxylase expressed in insect cells. Identification of histidine residues and an aspartic acid residue critical for catalytic activity. J Biol Chem. 1996 Apr 19;271(16):9398-402. [Content Brief]

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