RPSBLAST alignment for GI: 254780974 and conserved domain: cd01598
>gnl|CDD|176470 cd01598, PurB, PurB_like adenylosuccinases (adenylsuccinate lyase, ASL). This subgroup contains EcASL, the product of the purB gene in Escherichia coli, and related proteins. It is a member of the Lyase class I family of the Lyase_I superfamily. Members of the Lyase class I family function as homotetramers to catalyze similar beta-elimination reactions in which a Calpha-N or Calpha-O bond is cleaved with the subsequent release of fumarate as one of the products. The four active sites of the homotetrameric enzyme are each formed by residues from three different subunits. ASL catalyzes two non-sequential steps in the de novo purine biosynthesis pathway: the conversion of 5-aminoimidazole-(N-succinylocarboxamide) ribotide (SAICAR) into 5-aminoimidazole-4-carboxamide ribotide (AICAR) and; the conversion of adenylsuccinate (SAMP) into adenosine monophosphate (AMP). Length = 425
Score = 105 bits (263), Expect = 3e-23
Identities = 101/372 (27%), Positives = 163/372 (43%), Gaps = 65/372 (17%)
Query: 19 KFRIWFEIEAHACDALAKLGVIPEKS--SKNIWEKGRNAVFN-----VDRIMELDSIIKH 71
K+R+ ++E AL+ L IPE +K + R + N RI E+++ H
Sbjct: 12 KYRV--QVEVEWLIALSNLEEIPEVPPLTKEELKFLRAIIENFSEEDALRIKEIEATTNH 69
Query: 72 DVIA---FLT---HLAEIIGPDARFIHQGMTSSDILDTCFSIQLMRS---TDILLEDIDQ 122
DV A FL ++ FIH TS DI + + LM +++L + +
Sbjct: 70 DVKAVEYFLKEKFETLGLLKKIKEFIHFACTSEDINNL--AYALMIKEARNEVILPLLKE 127
Query: 123 LLESLKKRAFEYKDTLTIGRSHGIHAEPTTFGLKLAMAYAEFSRSRKRLLTAREEIAVCA 182
+++SLKK A EY D + R+HG A PTT G +LA+ R K+L ++I +
Sbjct: 128 IIDSLKKLAKEYADVPMLSRTHGQPATPTTLGKELAVFVYRLERQYKQL----KQIEILG 183
Query: 183 -ISGSVGTFSNIH----PYVEQHVADA-----MGLKTDPISSQVIARDRHAMYFSVLGVI 232
+G+VG F N H P V+ +GL +P ++Q+ D A F L I
Sbjct: 184 KFNGAVGNF-NAHLVAYPDVDWRKFSEFFVTSLGLTWNPYTTQIEPHDYIAELFDALARI 242
Query: 233 ASSIERVATEI------RHLQRTEILEVEEFFHPGQKGSSSMPHKRNPILTENLTG---- 282
+ + + +I + ++ G+ GSS+MPHK NPI EN G
Sbjct: 243 NTILIDLCRDIWGYISLGYFKQKVK--------KGEVGSSTMPHKVNPIDFENAEGNLGL 294
Query: 283 ----LSRLIRSHVIPAMENVALWHERDISHSSVERVIGPDATIHLDFALNRLKNVIEELV 338
L+ L I + +RD++ S+V R IG A H A L +++L
Sbjct: 295 SNALLNHLSAKLPISRL-------QRDLTDSTVLRNIGV-AFGHSLIAYKSLLRGLDKLE 346
Query: 339 VYPENMKDNLEQ 350
+ + ++L+
Sbjct: 347 LNEARLLEDLDA 358