Crystal Structure of Gamma-glutamyltranspeptidase from Escherichia coli (monoclinic form)

Crystal structure of the gamma-glutamyltranspeptidase precursor protein from Escherichia coli. Structural changes upon autocatalytic processing and implications for the maturation mechanism

Crystal structures of gamma-glutamyltranspeptidase from Escherichia coli, a key enzyme in glutathione metabolism, and its reaction intermediate

AAPPAPPVSYGVEEDVFHPVRAKQG(MSE)VASVDATATQVGVDILKEGGNAVDAAVAVGYALAVTHPQAGNLGGGGF
(MSE)LIRSKNGNTTAIDFRE(MSE)APAKATRD(MSE)FLDDQGNPDSKKSLTSHLASGTPGTVAGFSLALDKYGT
(MSE)PLNKVVQPAFKLARDGFIVNDALADDLKTYGSEVLPNHENSKAIFWKEGEPLKKGDTLVQANLAKSLE(MSE)IA
ENGPDEFYKGTIAEQIAQE(MSE)QKNGGLITKEDLAAYKAVERTPISGDYRGYQVYS(MSE)PPPSSGGIHIVQILNIL
ENFD(MSE)KKYGFGSADA(MSE)QI(MSE)AEAEKYAYADRSEYLGDPDFVKVPWQALTNKAYAKSIADQIDINKAKPS
SEIRPGKLAPYESNQ

AAPPAPPVSYGVEEDVFHPVRAKQGMVASVDATATQVGVDILKEGGNAVDAAVAVGYALAVTHPQAGNLGGGGFMLIRSK
NGNTTAIDFREMAPAKATRDMFLDDQGNPDSKKSLTSHLASGTPGTVAGFSLALDKYGTMPLNKVVQPAFKLARDGFIVN
DALADDLKTYGSEVLPNHENSKAIFWKEGEPLKKGDTLVQANLAKSLEMIAENGPDEFYKGTIAEQIAQEMQKNGGLITK
EDLAAYKAVERTPISGDYRGYQVYSMPPPSSGGIHIVQILNILENFDMKKYGFGSADAMQIMAEAEKYAYADRSEYLGDP
DFVKVPWQALTNKAYAKSIADQIDINKAKPSSEIRPGKLAPYESNQ

TTHYSVVDKDGNAVAVTYTLNTTFGTGIVAGESGILLNNQ(MSE)DDFSAKPGVPNVYGLVGGDANAVGPNKRPLSS
(MSE)SPTIVVKDGKTWLVTGSPGGSRIITTVLQ(MSE)VVNSIDYGLNVAEATNAPRFHHQWLPDELRVEKGFSPDTLK
LLEAKGQKVALKEA(MSE)GSTQSI(MSE)VGPDGELYGASDPRSVDDLTAGY

TTHYSVVDKDGNAVAVTYTLNTTFGTGIVAGESGILLNNQMDDFSAKPGVPNVYGLVGGDANAVGPNKRPLSSMSPTIVV
KDGKTWLVTGSPGGSRIITTVLQMVVNSIDYGLNVAEATNAPRFHHQWLPDELRVEKGFSPDTLKLLEAKGQKVALKEAM
GSTQSIMVGPDGELYGASDPRSVDDLTAGY

20% PEG 4000, 0.2M calcium chloride, 0.1M Tris-HCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

The same protein crystal in orthorhombic form

A MOLECULE (CHAIN ID A,B) OF THE PDB ENTRY 2DBU

gamma-glutamyltransferase, ggt, gamma-gtp, Transferase