3lka

From Proteopedia

Catalytic domain of human MMP-12 complexed with hydroxamic acid and paramethoxy-sulfonyl amide

Structural highlights

3lka is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:	X-ray diffraction, Resolution 1.8Å
Ligands:	, , ,
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

MMP12_HUMAN May be involved in tissue injury and remodeling. Has significant elastolytic activity. Can accept large and small amino acids at the P1' site, but has a preference for leucine. Aromatic or hydrophobic residues are preferred at the P1 site, with small hydrophobic residues (preferably alanine) occupying P3.

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

Publication Abstract from PubMed

For several drug leads obtained by tethering weak binding ligands, the dissociation constant is smaller than the product of those of the individual fragments by a factor named the linking coefficient, E. This favorable contribution is attributed to the entropic gain that is realized when two weak binding ligands are tethered. Here we show a case study where the linking coefficient is strikingly small (E = 2.1 x 10(-3) M(-1)) and its totally entropic nature is demonstrated.

Entropic Contribution to the Linking Coefficient in Fragment Based Drug Design: A Case Study.,Borsi V, Calderone V, Fragai M, Luchinat C, Sarti N J Med Chem. 2010 Apr 23. PMID:20415416^[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

↑ Borsi V, Calderone V, Fragai M, Luchinat C, Sarti N. Entropic Contribution to the Linking Coefficient in Fragment Based Drug Design: A Case Study. J Med Chem. 2010 Apr 23. PMID:20415416 doi:10.1021/jm901723z