Sequence numbers correspond to the following labels:

1. • T0174 protein XOl-1, C. elegans
2. • gi|2133456|pir||B55473_1:417 early switch protein xol-1 2.2k splice form - Caenorhabditis elegans
   • gi|520798|gb|AAA67049.1| (L35129) product of the 2.2kb transcript [Caenorhabditis elegans]
3. • gi|2133457|pir||A55473_1:324 early switch protein xol-1 2.5k splice form - Caenorhabditis elegans
   • gi|520797|gb|AAA67048.1| (L35129) product of the 2.5kb transcript [Caenorhabditis elegans]
4. • gi|17570301|ref|NP_509353.1|_1:324 (NM_076952) C18A11.5.p [Caenorhabditis elegans]
   • gi|2133455|pir||C55473 early switch protein xol-1 1.5k splice form - Caenorhabditis elegans
   • gi|520799|gb|AAA67047.1| (L35129) product of the 1.5kb transcript [Caenorhabditis elegans]
   • gi|14573830|gb|AAC69009.2| (U39667) C. elegans XOL-1 protein (corresponding sequence C18A11.5) [Caenorhabditis elegans]

              10        20        30        40        50        60     
              |         |         |         |         |         |     
   1 MQVEANSERRVKILGIDRSENSPVLTYMETEDDPNFRNSKLAAAPHTVHMMDSGFLAINRQCLVK
   2 MQVEANSERRVKILGIDRSENSPVLTYMETEDDPNFRNSKLAAAPHTVHMMDSGFLAINRQCLVK
   3 MQVEANSERRVKILGIDRSENSPVLTYMETEDDPNFRNSKLAAAPHTVHMMDSGFLAINRQCLVK
   4 MQVEANSERRVKILGIDRSENSPVLTYMETEDDPNFRNSKLAAAPHTVHMMDSGFLAINRQCLVK


         70        80        90       100       110       120       130
         |         |         |         |         |         |         |
   1 GKAILAREPKSSNEHMIDDLPKHAHDQHTLSILRDFIDQLKLHNVYEINFYDPLDSSGKLAVIPM
   2 GKAILAREPKSSNEHMIDDLPKHAHDQHTLSILRDFIDQLKLHNVYEINFYDPLDSSGKLAVIPM
   3 GKAILAREPKSSNEHMIDDLPKHAHDQHTLSILRDFIDQLKLHNVYEINFYDPLDSSGKLAVIPM
   4 GKAILAREPKSSNEHMIDDLPKHAHDQHTLSILRDFIDQLKLHNVYEINFYDPLDSSGKLAVIPM


             140       150       160       170       180       190     
              |         |         |         |         |         |     
   1 LIALWKCMLASETDICDQEVLKSIMNSVIAKFELQIPCKNAVIDATLSGSREEVHIIAEDGSLEN
   2 LIALWKCMLASETDICDQEVLKSIMNSVIAKFELQIPCKNAVIDATLSGSREEVHIIAEDGSLEN
   3 LIALWKCMLASETDICDQEVLKSIMNSVIAKFELQIPCKNAVIDATLSGSREEVHIIAEDGSLEN
   4 LIALWKCMLASETDICDQEVLKSIMNSVIAKFELQIPCKNAVIDATLSGSREEVHIIAEDGSLEN


        200       210       220       230       240       250       260
         |         |         |         |         |         |         |
   1 SNGTTEHFNKKHDLVFVKTDLHPEDFTPQMFPSQAKAKLLRDAFNNEEDEDTFPDILVPAYMTAH
   2 SNGTTEHFNKKHDLVFVKTDLHPEDFTPQMFPSQAKAKLLRDAFNNEEDEDTFPDILVPAYMTAH
   3 SNGTTEHFNKKHDLVFVKTDLHPEDFTPQMFPSQAKAKLLRDAFNNEEDEDTFPDILVPAYMTAH
   4 SNGTTEHFNKKHDLVFVKTDLHPEDFTPQMFPSQAKAKLLRDAFNNEEDEDTFPDILVPAYMTAH


             270       280       290       300       310       320     
              |         |         |         |         |         |     
   1 SKNRVRQEDYTCLEVEFDSQVALEKLMNEHEQVEGFEVQQGGILVALKKDSFFDDELIEKIAIAI
   2 SKNRVRQEDYTCLEVEFDSQVALEKLMNEHEQVEGFEVQQGGILVALKKDSFFDDELIEKIAIAI
   3 SKNRVRQEDYTCLEVEFDSQVALEKLMNEHEQVEGFEVQQGGILVALKKDSFFDDELIEKIAVS-
   4 SKNRVRQEDYTCLEVEFDSQVALEKLMNEHEQVEGFEVQQGGILVALKKDSFFDDELIEKIAYS-


        330       340       350       360       370       380       390
         |         |         |         |         |         |         |
   1 ATESRQSVSSVSFDLLKLGPGASLVTLANSRRFEPECRVVLQIEVKPVSPGETSSEGISDEHHYE
   2 ATESRQSVSSVSFDLLKLGPGASLVTLANSRRFEPECRVVLQIEVKPVSPGETSSEGISDEHHYE
   3 -----------------------------------------------------------------
   4 -----------------------------------------------------------------


             400       410       
              |         |       
   1 EYDEDDIMEEEEAPSARQDDTYDEDEE
   2 EYDEDDIMEEEEAPSARQDDTYDEDEE
   3 ---------------------------
   4 ---------------------------