>cd04601 CBS_pair_IMPDH This cd contains two tandem repeats of the cystathionine beta-synthase (CBS pair) domains in the inosine 5' monophosphate dehydrogenase (IMPDH) protein. IMPDH is an essential enzyme that catalyzes the first step unique to GTP synthesis, playing a key role in the regulation of cell proliferation and differentiation. CBS is a small domain originally identified in cystathionine beta-synthase and subsequently found in a wide range of different proteins. CBS domains usually come in tandem repeats, which associate to form a so-called Bateman domain or a CBS pair which is reflected in this model. The interface between the two CBS domains forms a cleft that is a potential ligand binding site. The CBS pair coexists with a variety of other functional domains. It has been proposed that the CBS domain may play a regulatory role, although its exact function is unknown. Mutations of conserved residues within this domain in IMPDH have been associated with retinitis pigmentosa.

Probab=97.47  E-value=0.0012  Score=45.68  Aligned_cols=46  Identities=26%  Similarity=0.452  Sum_probs=28.5

Q ss_pred             HCCCEEECCCCCHHHHHHHHHHCCCEEEEEECCCCCEEEEEEHHHH
Q ss_conf             3274352389998999998850386277752286742565259999
Q gi|255764470|r  375 IRKPLVVHENISVLKLMERLRKSSQTFVMVLDEYGVLEGMITPANI  420 (523)
Q Consensus       375 ir~~~~Vpe~~~l~~lL~~fr~~~~~lAiVvDE~G~~~GIVTleDI  420 (523)
T Consensus         1 irdvvtv~~~~sl~~a~~~m~~~~~~~~pVvd~~~~l~Giit~~Dl   46 (110)
T cd04601           1 IRDPITVSPDATVAEALELMAEYGISGLPVVDDDGKLVGIVTNRDL   46 (110)
T ss_pred             CCCCEEECCCCCHHHHHHHHHHHCCCEEEEEECCCEEEEEEEHHHH
T ss_conf             9889897993969999999998499889999489969878877677