RPSBLAST alignment for GI: 254780455 and conserved domain: cd00516

>gnl|CDD|29612 cd00516, PRTase_typeII, Phosphoribosyltransferase (PRTase) type II; This family contains two enzymes that play an important role in NAD production by either allowing quinolinic acid (QA) , quinolinate phosphoribosyl transferase (QAPRTase), or nicotinic acid (NA), nicotinate phosphoribosyltransferase (NAPRTase), to be used in the synthesis of NAD. QAPRTase catalyses the reaction of quinolinic acid (QA) with 5-phosphoribosyl-1-pyrophosphate (PRPP) in the presence of Mg2+ to produce nicotinic acid mononucleotide (NAMN), pyrophosphate and carbon dioxide, an important step in the de novo synthesis of NAD. NAPRTase catalyses a similar reaction leading to NAMN and pyrophosphate, using nicotinic acid an PPRP as substrates, used in the NAD salvage pathway.. Length = 281
 Score = 90.8 bits (225), Expect = 7e-19
 Identities = 64/347 (18%), Positives = 102/347 (29%), Gaps = 79/347 (22%)

Query: 19  DFYKILMLQLIWKFYPDIKVTFSLFNRQTQLHLSDKIDESELRTQLDHVRSLRITEKERK 78
           D YK+ M+Q      PD + T     R+           + L   L+ +  LR       
Sbjct: 1   DLYKLTMIQA--YPPPDTRATAEFTAREDP-----YGVLAGLEEALELLELLRFPGPLVI 53

Query: 79  WLVENSFYGKKQLFEPKFLSWLSDFQLPEYDLSHKKGQYVLNFHGLWKDVTLWEIPSLII 138
             V                        PE  +  + G+ +L   G  +++ L E   L +
Sbjct: 54  LAV------------------------PEGTVV-EPGEPLLTIEGPARELLLLERVLLNL 88

Query: 139 ISTLYSRITVRSMNPFSVDLLYAQAKKKLWSKIIKLKNFSGLKIVDFGTRRRHSLTWQKW 198
           +  L    T                     ++ ++    +  K+ DFGTR+         
Sbjct: 89  LQRLSGIAT-------------------ATARYVEAAKGANTKVHDFGTRKTTPGL---- 125

Query: 199 CIEALQEGIKDSFLGTSNALLAMNYKINAIGTSAHELPMVAAAITRTDIETQNAPYQMMQ 258
            +      +     G  N L       +  GT AH +              + A  + ++
Sbjct: 126 RLLEKYAVLIGGGDGHRNGLSDAILIKDNHGTMAHSIIQ---------AFGELAAVKALR 176

Query: 259 QWNRLYDDNLLIVLPDSFGTDFFLEHAPSW--MTQWKGFRHDSASPIEGGEKII---AWW 313
           +W       L I L D        E A          G R DS SP E    ++   A  
Sbjct: 177 RWLP----ELFIALIDVEVDTL--EEALEAAKAGGADGIRLDSGSPEELDPAVLILKARA 230

Query: 314 KKMNCNPQNKFLVFSDNLDVDSIIYTYKHFENRVQMIFGWGTNLTND 360
                      +  S  LD ++I   Y      V   FG GT L + 
Sbjct: 231 HLDGKGLPRVKIEASGGLDEENIRA-YAETGVDV---FGVGTLLHSA 273