>cd00739 DHPS DHPS subgroup of Pterin binding enzymes. DHPS (dihydropteroate synthase), a functional homodimer, catalyzes the condensation of p-aminobenzoic acid (pABA) in the de novo biosynthesis of folate, which is an essential cofactor in both nucleic acid and protein biosynthesis. Prokaryotes (and some lower eukaryotes) must synthesize folate de novo, while higher eukaryotes are able to utilize dietary folate and therefore lack DHPS. Sulfonamide drugs, which are substrate analogs of pABA, target DHPS.

Probab=96.17 E-value=0.14 Score=31.38 Aligned_cols=204 Identities=20% Similarity=0.215 Sum_probs=129.7 Q ss_pred CCHHHHHHHHHHHHHHHHHCC-CCEEEECCCCCCCCCCCCCCCCCCCHHHHHHHHHHHHHHCCEEEEECCCHHHHHHHHH Q ss_conf 999999999999999655339-9706601557688666322245671248889998866528768852288999987650 Q gi|254780669|r 55 ESHDHAFMIAEKLYAICQSLN-IGLVYKSSFDKANRSSLAGKRGVGLKKGREIFRDLKKKYGFPILTDVHTEQQCEAIAD 133 (301) Q Consensus 55 ES~e~~~~~A~~lk~~~~~~~-~~~ifK~sfdKanRtS~~sfrG~Gle~gL~il~e~k~~~glpv~TeV~~~~~~e~~~~ 133 (301) T Consensus 21 ~~~~~a~~~a~~~i~~GAdiIDIGae--STrPg~~~--is~~eE--~~Rl~pvi~~l~~~~~~~iSIDT~~~~Va~~al~ 94 (257) T cd00739 21 LSLDKAVAHAEKMIAEGADIIDIGGE--STRPGADP--VSVEEE--LERVIPVLEALRGELDVLISVDTFRAEVARAALE 94 (257) T ss_pred CCHHHHHHHHHHHHHCCCCEEEECCC--CCCCCCCC--CCHHHH--HHHHHHHHHHHHHCCCCCEEEECCCHHHHHHHHH T ss_conf 89999999999999879989997987--58999986--998888--9889999999986079828997997599999998 Q ss_pred -HCCEEE-ECHHHCCCHHHHHHHHHCCCEEEEECCCC-----------CC----HH-HHHHHHHHHHHCCCC-CEEEEEC Q ss_conf -215788-22576289999999850597799836777-----------89----99-999999999725878-0899514 Q gi|254780669|r 134 -SVDILQ-IPALLCRQTDLLTAAAQTGRVINVKKGQF-----------LS----PW-EMHNILQKLHAHGAK-DVLFCER 194 (301) Q Consensus 134 -~vDilQ-IgA~~~rqtdLl~a~a~t~kpV~iKkgq~-----------~s----~~-e~~~a~eki~~~Gn~-~i~lcER 194 (301) T Consensus 95 ~Ga~iINDisg~~-~d~~m~~~va~~~~~~ilmH~~g~p~~m~~~~~~~dv~~~i~~~f~~~i~~l~~~Gi~~~~IiiDP 173 (257) T cd00739 95 AGADIINDVSGGS-DDPAMLEVAAEYGAPLVLMHMRGTPKTMQENPYYEDVVDEVLSFLEARLEAAESAGVARNRIILDP 173 (257) T ss_pred CCCCEEECCCCCC-CCHHHHHHHHHHCCCEEEECCCCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHHCCCCCCEEEEEC T ss_conf 4998997534244-777899999984999999768998422233786330999999999999999998799825199708 Q ss_pred CCCCCCHHH--CCCCCCCHHHHHHCCCEEECHHHHHHHCCCCCCCCCCCHHHHHHHHHHHHHHCCCEEEEEECCC Q ss_conf 654440100--0000010688851871687117774212234532126388999999999971898899983698 Q gi|254780669|r 195 GTSFGYNTL--VTDMRSIPIMTSMGVPVIFDASHSVQQPGIHGNCSGGERQYIVPLAKAAVAIGIAGIFLETHQD 267 (301) Q Consensus 195 G~~fgy~~l--vvD~~~i~~lk~~~~PVi~D~SHs~q~p~~~~~~~gG~r~~v~~la~aa~a~G~dGlfiE~Hp~ 267 (301) T Consensus 174 G~GFgKt~~~n~~ll~~l~~f~~~~~PiLvG~SRKsfi~~~~~~~~~~-r-l~gTla~~~~~~~~Ga~ilRvHdV 246 (257) T cd00739 174 GIGFGKTPEHNLELLRRLDELKQLGLPVLVGASRKSFIGALLGREPKD-R-DWGTLALSALAAANGADIVRVHDV 246 (257) T ss_pred CCCCCCCHHHHHHHHHHHHHHHHCCCCEEEECCHHHHHHHHCCCCHHH-H-HHHHHHHHHHHHHCCCCEEEECCH T ss_conf 878788879999999989999528998277502989999874999688-4-289999999999879999995998

HHsearch alignment for GI: 254780669 and conserved domain: cd00739