HHsearch alignment for GI: 255764470 and conserved domain: cd04634

>cd04634 CBS_pair_21 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=97.44  E-value=0.00029  Score=50.20  Aligned_cols=57  Identities=21%  Similarity=0.375  Sum_probs=34.7

Q ss_pred             CCCCEEEEEEEEECCEEEEEECCCCHHHHHHHHHHCCCCEEEEECCCCCCEEEEEEHHHHH
Q ss_conf             1378667465340002899608999899999998579978888767855278888888876
Q gi|255764470|r  300 TLADRPAKSIMTPRTEIVWLDVNCVDEDLQWKILELGHSRFPVAQGSLDSFIGIVSARDLL  360 (523)
Q Consensus       300 ~L~e~~V~~IMtPR~~i~~ld~~~s~~e~~~~i~~~~~SR~PV~~~~~D~iiGiv~~kDLl  360 (523)
T Consensus        85 ~~~~~~v~diM~--~~~itv~~~~~l~~a~~~m~~~~i~~lPVvd~--~~lvGIItr~Dil  141 (143)
T cd04634          85 DAGKMKVRDIMT--KKVITISPDASIEDAAELMVRHKIKRLPVVED--GRLVGIVTRGDII  141 (143)
T ss_pred             HHCCCCHHHHCC--CCCEEECCCCCHHHHHHHHHHCCCCEEEEEEC--CEEEEEEEHHHCC
T ss_conf             322789899588--89879989896999999999739888999989--9999999957730