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