>cd05787 LbH_eIF2B_epsilon eIF-2B epsilon subunit, central Left-handed parallel beta-Helix (LbH) domain: eIF-2B is a eukaryotic translation initiator, a guanine nucleotide exchange factor (GEF) composed of five different subunits (alpha, beta, gamma, delta and epsilon). eIF2B is important for regenerating GTP-bound eIF2 during the initiation process. This event is obligatory for eIF2 to bind initiator methionyl-tRNA, forming the ternary initiation complex. The eIF-2B epsilon subunit contains an N-terminal domain that resembles a dinucleotide-binding Rossmann fold, a central LbH domain containing 4 turns, each containing three imperfect tandem repeats of a hexapeptide repeat motif (X-[STAV]-X-[LIV]-[GAED]-X), and a C-terminal domain of unknown function that is present in eIF-4 gamma, eIF-5, and eIF-2B epsilon. The epsilon and gamma subunits form the catalytic subcomplex of eIF-2B, which binds eIF2 and catalyzes guanine nucleotide exchange.

Probab=99.42  E-value=1.2e-13  Score=96.15  Aligned_cols=55  Identities=22%  Similarity=0.324  Sum_probs=25.7

Q ss_pred             CCEEEECCCCCCCCCCCCCCCCCCCCCCCCCCCEEECCCCCCCCEEEEECCCCCCC
Q ss_conf             00021116313433212111210021344320000025864432023102112478
Q gi|254780942|r  288 IENYVQIRAFSYLEGVHIGKKTIIGPFARIRQETTIEKNVRIGNFCEVKKATIKEG  343 (442)
Q Consensus       288 Ig~~~~I~~~~~i~~~~Ig~~~~Ig~~~~i~~~s~i~~~~~Ig~~~ei~~s~i~~g  343 (442)
T Consensus         2 IG~~t~Ig~~~~I~~svIG~nc~Ig~~~~I~-~svi~d~~~Ig~~~~i~~siI~~~   56 (79)
T cd05787           2 IGRGTSIGEGTTIKNSVIGRNCKIGKNVVID-NSYIWDDVTIEDGCTIHHSIVADG   56 (79)
T ss_pred             CCCCCEECCCCEEECCEECCCCEECCCCEEE-CCEEECCCEECCCCEECCCEECCC
T ss_conf             9998999999999599989999999998894-899919789999999908999798