Crystal Structure of Medicago truncatula L-Histidinol Dehydrogenase in Complex with L-Histidinol

Structures of Medicago truncatula L-Histidinol Dehydrogenase Show Rearrangements Required for NAD(+) Binding and the Cofactor Positioned to Accept a Hydride.

SNASISMANPIKTYHLSNLTQTELLSLKSRPRIDFSSVFDIVNPIVDDVHAHGDAAVKQYTSKFDKVDLENIVELVSDLP
DPVLDPAIKEAFDVAYSNIYAFHAAQKSPEKSVENMKGVQCKRVARSINSVGLYVPGGTAVLPSTALMLAVPAQIAGCKT
IVLANPPTRDGTTCKEVLYCAKKAGVTHLLKAGGAQAISAMAWGTETCPKVEKIFGPGNQYVTAAKMILQNSEAMVSIDM
PAGPSEVLVIADKHAIPSHVAADLLSQAEHGPDSQVVLVIAGDGVDQNAIQEEVSKQCQSLPRGEFAAKALSHSFIVHAR
DMLEAITFSNMYAPEHLIINVKDAEKWESFIENAGSVFLGSWTPESVGDYASGTNHVLPTYGYARMYSGVSLDSFLKYIT
VQSLTEEGLRKLGPYVETMAEVEGLEAHKRAVTLRLQDIEARQVSR

Asymmetric unit contains three dimers: chains A+B, C+D and E+F

HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
histidine biosynthesis, Zn2+ binding protein, NAD binding protein, plant protein, OXIDOREDUCTASE

SISMANPIKTYHLSNLTQTELLSLKSRPRIDFSSVFDIVNPIVDDVHAHGDAAVKQYTSKFDKVDLENIVELVSDLPDPV
LDPAIKEAFDVAYSNIYAFHAAQKSPEKSVENMKGVQCKRVARSINSVGLYVPGGTAVLPSTALMLAVPAQIAGCKTIVL
ANPPTRDGTTCKEVLYCAKKAGVTHLLKAGGAQAISAMAWGTETCPKVEKIFGPGNQYVTAAKMILQNSEAMVSIDMPAG
PSEVLVIADKHAIPSHVAADLLSQAEHGPDSQVVLVIAGDGVDQNAIQEEVSKQCQSLPRGEFAAKALSHSFIVHARDML
EAITFSNMYAPEHLIINVKDAEKWESFIENAGSVFLGSWTPESVGDYASGTNHVLPTYGYARMYSGVSLDSFLKYITVQS
LTEEGLRKLGPYVETMAEVEGLEAHKRAVTLRLQDIEARQVSR