1qmu
From Proteopedia
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DUCK CARBOXYPEPTIDASE D DOMAIN II
Overview
The crystal structure of domain II of duck carboxypeptidase D, a, prohormone/propeptide processing enzyme integrated in a three repeat, tandem in the natural system, has been solved, constituting a prototype, for members of the regulatory metallocarboxypeptidase subfamily. It, displays a 300 residue N-terminal alpha/beta-hydrolase subdomain with, overall topological similarity to and general coincidence of the key, catalytic residues with the archetypal pancreatic carboxypeptidase A., However, numerous significant insertions/deletions in segments forming the, funnel-like access to the active site explain differences in specificity, towards larger protein substrates or inhibitors. This alpha/beta-hydrolase, subdomain is followed by a C-terminal 80 residue beta-sandwich subdomain, unique ... [(full description)]
About this Structure
1QMU is a [Single protein] structure of sequence from [Anas specularioides] with SO4 and ZN as [ligands]. Structure known Active Site: ZN. Full crystallographic information is available from [OCA].
Reference
Crystal structure of avian carboxypeptidase D domain II: a prototype for the regulatory metallocarboxypeptidase subfamily., Gomis-Ruth FX, Companys V, Qian Y, Fricker LD, Vendrell J, Aviles FX, Coll M, EMBO J. 1999 Nov 1;18(21):5817-26. PMID:10545093
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