Crystal structure of an engineered conformationally rigid anti-Tryptase Fab variant E104.v1.5DS

2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31.

Disulfi de constrained Fabs overcome target size limitation for high-resolution single-particle cryo-EM.

DIQMTQSPSSLSASVGDRVTITCQSIKSVYNNRLGWYQQKCGKAPKLLIYETSILTSGVPSRFSGSGSGTDFTLTISSLQ
CEDFATYYCAGGFDRSGDTTFGQGTKVEIKRTVAAPSVCIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSG
NSQESVTCQDSKDCTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

EVQLVESGPGCVKPSETLSLTCTVSRFSLIGYAITWIRQPPGKGLEWIGGISSAATTFYSSWAKSRVTISVDTSKNQFSL
KLSSVTAADTAVYYCARDPRGYGAALDRLDLWGQGTCVTVSSFSTKGPSVFPLAPSSKSTSGGTACLGCLVKDYFCECPV
TVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHTHHHHHHP

0.1 M sodium citrate, pH 4.5, 26% PEG4000

antibody fragment, fab, protein engineering, tryptase, IMMUNE SYSTEM