HHsearch alignment for GI: 255764470 and conserved domain: cd04642

>cd04642 CBS_pair_29 The CBS domain, named after human CBS, is a small domain originally identified in cystathionine beta-synthase and is subsequently found in a wide range of different proteins. CBS domains usually occur in tandem repeats. They associate to form a so-called Bateman domain or a CBS pair based on crystallographic studies in bacteria. The CBS pair was used as a basis for this cd hierarchy since the human CBS proteins can adopt the typical core structure and form an intramolecular CBS pair. 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 and this has been used to help in its classification here. 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 are associated with a variety of human hereditary diseases, including congenital myotonia, idiopathic gener
Probab=96.95  E-value=0.0061  Score=40.51  Aligned_cols=48  Identities=23%  Similarity=0.328  Sum_probs=29.2

Q ss_pred             CEEECCCCCHHHHHHHHHHCCCEEEEEECCCCCEEEEEEHHHHHHHHC
Q ss_conf             435238999899999885038627775228674256525999999870
Q gi|255764470|r  378 PLVVHENISVLKLMERLRKSSQTFVMVLDEYGVLEGMITPANILEAIA  425 (523)
Q Consensus       378 ~~~Vpe~~~l~~lL~~fr~~~~~lAiVvDE~G~~~GIVTleDIlE~Iv  425 (523)
T Consensus         3 Vitv~~~~~l~eA~~lm~~~~i~~lPVvd~~g~lvGiis~~Dl~~~~~   50 (126)
T cd04642           3 VVSIDSDERVLDAFKLMRKNNISGLPVVDEKGKLIGNISASDLKGLLL   50 (126)
T ss_pred             EEEECCCCCHHHHHHHHHHCCCCEEEEEECCCEEEEEEEHHHHHHHHC
T ss_conf             799999599999999999809878999928990999999899765551