HHsearch alignment for GI: 254780333 and conserved domain: cd06817

>cd06817 PLPDE_III_DSD Type III Pyridoxal 5-phosphate (PLP)-Dependent Enzyme Eukaryotic D-Serine Dehydratase. This subfamily is composed of chicken D-serine dehydratase (DSD, EC 4.3.1.18) and similar eukaryotic proteins. Chicken DSD catalyzes the dehydration of D-serine to aminoacrylate, which is rapidly hydrolyzed to pyruvate and ammonia. It is a fold type III PLP-dependent enzyme with similarity to bacterial alanine racemase (AR), which contains an N-terminal PLP-binding TIM-barrel domain and a C-terminal beta-sandwich domain. AR exists as dimers with active sites that lie at the interface between the TIM barrel domain of one subunit and the beta-sandwich domain of the other subunit. Experimental data suggest that chicken DSD also exists as dimers. Sequence comparison and biochemical experiments show that chicken DSD is distinct from the ubiquitous bacterial DSDs coded by dsdA gene, mammalian L-serine dehydratases (LSD) and mammalian serine racemase (SerRac), which are fold type II PL
Probab=99.85  E-value=5.7e-19  Score=142.49  Aligned_cols=316  Identities=17%  Similarity=0.161  Sum_probs=192.5

Q ss_pred             CCEEEEEEHHHHHHHHHHHHHHCC--CCEEEEEEECCCCCCCHHHHHHHHHHCC--CCEEEECCHHHHHHHHHHCCCC--
Q ss_conf             850999868899999999986289--9759999932866579899999999879--9899985599999999838985--
Q gi|254780333|r    5 EFLRLKIDLTALKNNWHSMNALSG--NARTAAVVKDNAYGLGCEKIAPALYNAG--VQDFFVTSVEEGVKLRLYTPQA--   78 (370)
Q Consensus         5 ~~~~leIdl~al~~Ni~~i~~~~~--~~~i~aVVKanAYGhG~~~va~~l~~~G--v~~faVa~~~EA~~lR~~g~~~--   78 (370)
T Consensus         5 ~TPallvd~~~l~~Ni~~M~~~~~~~gv~lRPH~KT----HKs~~ia~~Ql~aG~~a~git~atv~EAe~~a~~G~~~~~   80 (389)
T cd06817           5 PTPALVIDRAKFKRNCERMLQRAKALGVKFRPHVKT----HKTLEGTRLQLGEGRPSRGIVVSTLAEAEFLLPLGEEGRV   80 (389)
T ss_pred             CCCEEEECHHHHHHHHHHHHHHHHHCCCCCCCCCHH----HCCHHHHHHHHHCCCCCCCEEECCHHHHHHHHHHHHHCCC
T ss_conf             997399819999999999999998759957115176----5169999999977998353897579999999985451662


Q ss_pred             -CEEEECCCCHHHHHHHHH---H--HHHCCCCCHHHHHHHHHHH--HCCCCCCCEEEECCCCCCCCCCH--HHHHHHHHH
Q ss_conf             -267306897469888875---4--2101348998999988887--60887761676126667655698--899999988
Q gi|254780333|r   79 -RIFVLYGIHPGQEKIIFD---T--NLIPVISSVPQLTFYSKLM--SCGVSHPYALQVDTGFNRLGLSL--QEALDFTHN  148 (370)
Q Consensus        79 -~Ilvl~~~~~~~~~~~~~---~--~i~~~i~s~~~l~~l~~~~--~~~~~~~vhlkiDTGM~R~G~~~--~e~~~~~~~  148 (370)
T Consensus        81 ~dil~a~pv~~~kl~rl~~L~~~~~~l~v~VD~~~~v~~L~~~~~~~~g~~l~V~Ievd~G~~RtGv~~~~~~~~~l~~~  160 (389)
T cd06817          81 DDILYGLPVPPSKLPRLAELSKKLGHLRVMVDNPEQLDFLEQFQPLKSGKKWSVFIKVDCGTHRAGVPPESEDAKELIQK  160 (389)
T ss_pred             EEEEECCCCCHHHHHHHHHHHCCCCCEEEEECCHHHHHHHHHHHHHHCCCCEEEEEEECCCCCCCCCCCCCHHHHHHHHH
T ss_conf             28998885787899999998553980899974799999999998862698258999978898967889883999999999


Q ss_pred             HHHH-HCCCHHHHHCCCCCC---CCCCCH--HHHHHHHHHHHHHHHHC---CCC---HHHCCCCHHCCCC--------C-
Q ss_conf             8863-100012432012433---334667--88999999999975434---886---0111641100477--------3-
Q gi|254780333|r  149 SFNK-KLGQLSLIISHLACA---DDPSSH--VNSVQLERFRTLISHYK---GIE---ASLASSSGILLGP--------N-  207 (370)
Q Consensus       149 ~~~~-~~~~i~gi~THfa~a---d~~~~~--~~~~Q~~~F~~~~~~~~---~~~---~h~~nS~~~l~~p--------~-  207 (370)
T Consensus       161 i~~~~~~L~~~Gl~~y~Gh~~~~~~~~e~~~~~~~~~~~~~~~~~~~~~~~g~~~~vvs~G~Tpt~~~~~~~~~~~~~~~  240 (389)
T cd06817         161 LEKASEAVELFGFYSHAGHSYSSRSAEDAKEVLREEIEAVLTAAKKLKSIQGDRKLTLSVGATPTAHAAEALVLIPAPSL  240 (389)
T ss_pred             HHHCCCCCEEEEEECCCCCCCCCCCHHHHHHHHHHHHHHHHHHHHHHHHHCCCCCCEEEECCCCCCCCCCCCCCCCCCCC
T ss_conf             98567883577886048755578999999999999999999999998862699875899858887220355442245555


Q ss_pred             CCCHHHCCCCCCCCCCC--CCCCCCCCCCEEEEEEEEEEEEEECCCCCCCCCCCCCCCCCCEEEEECCCCCCCEECCCCC
Q ss_conf             22202048735306787--7675567641001236886326714898346656534677641797123300260102368
Q gi|254780333|r  208 YHFQLTRPGISLYGGTD--KINKSHPMQTVVTAEARIILIRKALAGELVSYGGQKKLTRDSLIAVAAIGYADGYPLTLSG  285 (370)
Q Consensus       208 ~~~d~vR~Gi~lYG~~~--~~~~~~~l~pv~~l~s~i~~ir~l~~G~~VgYg~~~~~~~~~~iavipiGYaDG~pr~ls~  285 (370)
T Consensus       241 ~~~tEl~pG~Yvf~D~~~~~~g~~~~~~~Al~VlatViS~~p-~~~~~ilDaG~Kals~D~g--~~~~~~g~~~~~~---  314 (389)
T cd06817         241 SGLLELHAGNYPFYDLQQVATGLCSEEDIAVFVLAEVISVYP-KRNEALVNAGVLALSREPS--RIYGGFGRVIPWP---  314 (389)
T ss_pred             CCCEEEECCCEECCCHHHHHCCCCCCCCEEEEEEEEEEEECC-CCCEEEECCCHHHEECCCC--CCCCCCCEECCCC---
T ss_conf             651497024647268878516999832125899999985538-9983997666001103567--7778854421677---


Q ss_pred             CCCCCCCCCCCCCEEEECCEEEEEEEECCCCCEEEECCCC----CCCCCCCEEEEECCC--CCHH
Q ss_conf             5433444323288699999995077004256479966887----787888789997888--8998
Q gi|254780333|r  286 LDSEHSPSVFLGGKGFIKGYMVPILGKITMDMTMFDITDS----LSIEVGDYIQIFGPD--IKLD  344 (370)
Q Consensus       286 ~~~~~~~~~~~~~~vli~G~~~pivGrv~MD~~~vdvt~~----~~~~~GD~V~l~G~~--i~~~  344 (370)
T Consensus       315 --------------~~~~~~~~~~v~~lseEHg~l~~~~~~~~~~~l~vGd~v~~iP~H~C~Tvn  365 (389)
T cd06817         315 --------------GPIPGHPEWYLVRLSQEHGILQPRDGDLDFKRLKVGSKVRIIPQHACITAA  365 (389)
T ss_pred             --------------CCCCCCCCEEEECCCCCEEEEECCCCCCCCCCCCCCCEEEEECCCCCCCCC
T ss_conf             --------------764679972883435751578617876556799988889997188590700