Figure 4.  Comparison of amino acid sequences of Arabidopsis and E. coli FPGs.
             1                                                              60
             |<---------------------------Exon 1------------------------------
     AtFPG-4 MPELPEVEAA RRAIEENCLG KKIKRVIIAD DNKVIHGISP SDFQTSILGK TIISARRKGK
     AtFPG-3 MPELPEVEAA RRAIEENCLG KKIKRVIIAD DNKVIHGISP SDFQTSILGK TIISARRKGK
     AtFPG-1 MPELPEVEAA RRAIEENCLG KKIKRVIIAD DNKVIHGISP SDFQTSILGK TIISARRKGK
     AtFPG-2 MPELPEVEAA RRAIEENCLG KKIKRVIIAD DNKVIHGISP SDFQTSILGK TIISARRKGK
   E.coliFPG MPELPEVETS RRGIEPHLVG ATILHAVVR. NGRLRWPVSE EIYRLS..DQ PVLSVQRRAK
   Consensus MPELPEVE-- RR-IE----G --I------- --------S- -----S---- ---S--R--K
             61                                                            120
             ---------------->|<------Exon 2----->|<-------Exon 3----->|<-----
     AtFPG-4 NLWLELDSPP FPSFQFGMAG AIYIKGVAVT KYKRSAVKDS EEWPSKYSKF FVELDDGLEL
     AtFPG-3 NLWLELDSPP FPSFQFGMAG AIYIKGVAVT KYKRSAVKDS EEWPSKYSKF FVE.......
     AtFPG-1 NLWLELDSPP FPSFQFGMAG AIYIKGVAVT KYKRSAVKDS EEWPSKYSKF FVELDDGLEL
     AtFPG-2 NLWLELDSPP FPSFQFGMAG AIYIKGVAVT KYKRSAVKDS EEWPSKYSKF FVELDDGLEL
   E.coliFPG YLLLELPE.G WIIIHLGMSG SL........ .....RILPE ELPPEKHDHV DLVMSNGKVL
   Consensus -L-LEL---- ------GM-G ---------- ---------- E--P-K---- ----------
             121                                                           180
             ---Exon 4------->|<-----------------Exon 5-------------------->|<
     AtFPG-4 SFTDKRRFAK VRLLANPTSV SPISELGPDA LLEPMTVDEF AESLAKKKIT IKPLLLDQGY
     AtFPG-3 .......... ......PTSV SPISELGPDA LLEPMTVDEF AESLAKKKIT IKPLLLDQGY
     AtFPG-1 SFTDKRRFAK VRLLANPTSV SPISELGPDA LLEPMTVDEF AESLAKKKIT IKPLLLDQGY
     AtFPG-2 SFTDKRRFAK VRLLANPTSV SPISELGPDA LLEPMTVDEF AESLAKKKIT IKPLLLDQGY
   E.coliFPG RYTDPRRFGA WLWTKELEGH NVLTHLGPEP LSDDFNGEYL HQKCAKKKTA IKPWLMDNKL
   Consensus ---------- ---------- -----LGP-- ---------- ----AKKK-- IKP-L-D---
             181                                                           240
             --- Exon 6----->|<----------Exon 7---------->|<------------------
     AtFPG-4 ISGIGNWIAD EVLYQARIHP LQTASSLSKE QCEALHTSIK EVIQHAVQVN ADS.KEF...
     AtFPG-3 ISGIGNWIAD EVLYQARIHP LQTASSLSKE QCESLHTSIK EVIQHAVQVN ADS.KEF...
     AtFPG-1 ISGIGNWIAD EVLYQARIHP LQTASSLSKE QCEALHTSIK EVIEKAVEVD ADS.SQF...
     AtFPG-2 ISGIGNWIAD EVLYQARIHP LQTASSLSKE QCEALHTSIK EVIQHAVQVN ADS.KEF...
   E.coliFPG VVGVGNIYAS ESLFAAGIHP DRLASSLSLA ECELLARVIK AVLLRSIEQG GTTLKDFLQS
   Consensus --G-GN--A- E-L--A-IHP ---ASSLS-- -CE-L---IK -V-------- ------F---
             241                                                           300
                ----Exon 8-13------------------------>|<----------------------
     AtFPG-4 ...PVEWLFH FR.WGKKAGK ..VNGKKIDF ITAG..GRTT AYVPELQKLY GKDAEKAAKV
     AtFPG-3 ...PVEWLFH FR.WGKKAGK ..VNGKKIDF ITAG..GRTT AYVPELQKLY GKDAEKAAKV
     AtFPG-1 ...PSNWIFH NR..EKKPGK AFVDGKKIDF ITAG..GRTT AYVPELQKLY GKDAEKAAKV
     AtFPG-2 ...PVEWLFH FR.WGKKAGK ..VNGKLSHH LSINLMKQNL GFCR~~~~~~ ~~~~~~~~~~
   E.coliFPG DGKPGYFAQE LQVYGRKGEP CRVCGTPI.. VATKHAQRAT FYCRQCQK~~ ~~~~~~~~~~
   Consensus ---P------ ------K--- --V-G----- ---------- ---------- ----------
             301                                                           360
             ----------------------------Exon 14------------------------------
     AtFPG-4 RPAKRGVKPK EDDGDGEEDE ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~
     AtFPG-3 RPAKRGVKPK EDDGDGEEDE QETEKEDESA KSKKGQKPRG GRGKKPASKT KTEESDDDGD
     AtFPG-1 RPAKRGVKPK EDDGDGEEDE QETEKEDESA KSKKGQKPRG GRGKKPASKT KTEESDDDGD
     AtFPG-2 ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~
   E.coliFPG ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~
   Consensus ---------- ---------- ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~
             351                                       391      
             -------------------------------------------->|
     AtFPG-4 ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~ ~~
     AtFPG-3 DSEAEEEVVK PKGRGTKPAI KRKSEEKATS QAGKKPKGRK S*
     AtFPG-1 DSEAEEEVVK PKGRGTKPAI KRKSEEKATS QAGKKPKGRK S~
     AtFPG-2 ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~ ~
   E.coliFPG ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~ ~
   Consensus ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~~~ ~