Crystal Structure of Twin Arginine Translocase Receptor- TatC in DDM

The Glove-like Structure of the Conserved Membrane Protein TatC Provides Insight into Signal Sequence Recognition in Twin-Arginine Translocation.

Sec-independent protein translocase protein TatC, Lysozyme

MGMPLTEHLRELRYRLIISIIAFLIGSGIAFYFAKYVFEILKEPILKSYPEVELITLSPTEPLFILIKISLAVGFIIASP
VILYQFWRFIEPALYSHEKRAFIPLLLGSILLFMLGALFAYFIVLPLALKFLLGLGFTQLLATPYLSVDMYISFVLKLVV
AFGIAFEMPIVLYVLQKAGVITPEQLASFRKYFIVIAFVIGAIIAPDVSTQVLMAIPLLLLYEISIFLGKLATRKKKEIG
SGASMNIFEMLRIDEGLRLKIYKDTEGYYTIGIGHLLTKSPSLNAAKSELDKAIGRNTNGVITKDEAEKLFNQDVDAAVR
GILRNAKLKPVYDSLDAVRRAALINMVFQMGETGVAGFTNSLRMLQQKRWDEAAVNLAKSRWYNQTPNRAKRVITTFRTG
TWDAYKNLELYKHHHHHH

35% (v/v) PEG 400, ADA pH 6.6 and 0.1 M Potassium phosphate monobasic., VAPOR DIFFUSION, SITTING DROP, temperature 293K

AUTHOR STATES THAT THIS PROTEIN WAS SET UP AS A FUSION THAT CRYSTALLIZED IN A UNIQUE SPACE GROUP. T4 LYSOZYME WAS VERIFIED IN THE CONSTRUCT AND IN THE DROP AND DATA WAS COLLECTED IN 2008. WHEN THEY SOLVED THE STRUCTURE BY MOLECULAR REPLACEMENT RECENTLY THEY WERE SURPRISED THAT THEY COULDN'T FIND THE LYSOZYME IN THE DENSITY AND FELT THEY COULDN'T INTERPRET ANYTHING WITH CONFIDENCE. SO, IN THE END THEY DON NOT HAVE ANY OF THE T4 LYSOZYME PART IN THE MODEL.

Twin arginine translocase receptor, Membrane, HYDROLASE

MPLTEHLRELRYRLIISIIAFLIGSGIAFYFAKYVFEILKEPILKSYPEVELITLSPTEPLFILIKISLAVGFIIASPVI
LYQFWRFIEPALYSHEKRAFIPLLLGSILLFMLGALFAYFIVLPLALKFLLGLGFTQLLATPYLSVDMYISFVLKLVVAF
GIAFEMPIVLYVLQKAGVITPEQLASFRKYFIVIAFVIGAIIAPDVSTQVLMAIPLLLLYEISIFLGKLATRKKKIE

MNIFEMLRIDEGLRLKIYKDTEGYYTIGIGHLLTKSPSLNAAKSELDKAIGRNCNGVITKDEAEKLFNQDVDAAVRGILR
NAKLKPVYDSLDAVRRCALINMVFQMGETGVAGFTNSLRMLQQKRWDEAAVNLAKSRWYNQTPNRAKRVITTFRTGTWDA
YKNL