3rit

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Crystal structure of Dipeptide Epimerase from Methylococcus capsulatus complexed with Mg and dipeptide L-Arg-D-LysCrystal structure of Dipeptide Epimerase from Methylococcus capsulatus complexed with Mg and dipeptide L-Arg-D-Lys

Structural highlights

3rit is a 5 chain structure with sequence from Methylococcus capsulatus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.701Å
Ligands:, , , ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

KRDE_METCA Catalyzes the epimerization of L-Lys-L-Arg to L-Lys-D-Arg. Can also catalyze the epimerization of other cationic dipeptides, such as L-Arg-L-Arg, L-Lys-L-Lys and L-Lys-L-His, but with lower efficiency (in vitro).[1]

See Also

References

  1. Lukk T, Sakai A, Kalyanaraman C, Brown SD, Imker HJ, Song L, Fedorov AA, Fedorov EV, Toro R, Hillerich B, Seidel R, Patskovsky Y, Vetting MW, Nair SK, Babbitt PC, Almo SC, Gerlt JA, Jacobson MP. Homology models guide discovery of diverse enzyme specificities among dipeptide epimerases in the enolase superfamily. Proc Natl Acad Sci U S A. 2012 Mar 13;109(11):4122-7. Epub 2012 Mar 5. PMID:22392983 doi:10.1073/pnas.1112081109

3rit, resolution 2.70Å

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OCA