1b86

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Image:1b86.gif

Template:STRUCTURE 1b86

HUMAN DEOXYHAEMOGLOBIN-2,3-DIPHOSPHOGLYCERATE COMPLEX


Overview

The haemoglobin-2,3-diphosphoglycerate complex structure has been solved at 2.5 A resolution using crystals grown from low-salt solutions. The results show some important differences with the precedent haemoglobin-2,3-diphosphoglycerate high-salt structure solved by Arnone. First, we observe a loss of symmetry in the binding site, secondly both of the lysine residues 82 beta interact with 2,3-diphosphoglycerate at the same time, each making two contacts. This level of interaction is in agreement with the functional behaviour of natural haemoglobin mutants with mutations at the 2,3-diphosphoglycerate binding site.

About this Structure

1B86 is a Protein complex structure of sequences from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Human deoxyhaemoglobin-2,3-diphosphoglycerate complex low-salt structure at 2.5 A resolution., Richard V, Dodson GG, Mauguen Y, J Mol Biol. 1993 Sep 20;233(2):270-4. PMID:8377203 Page seeded by OCA on Fri May 2 11:11:28 2008

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