Conservation and Variability of Synaptonemal Complex Proteins in Phylogenesis of Eukaryotes
Table 6
SC proteins of the model organisms with similarities to proteins from the proteomes of Deuterostomia.
Eukaryotic taxa
Total proteins in the NCBI databasea
Proteins of the SC central space
Lateral element proteins and other SC proteins
1
2
3
4
From animals
From plants and fungi
From plants and fungi
From animals
Echinodermata (Deuterostomia 1)
41869
SYCE2 Dr (50), SYCE2 Mm (68), SYCP1 Mm (76), C(3)G Dm (63), SYP-1 Ce (59), SYCE2-like annotated for Strongylocentrotus purpuratus
ZYP1b At (65), ZYP1a At (74)
ASY2 At (69), ASY1 At (125), Hop1 Sc (75)
FKBP6 Mm (104), SYCP2 Mm (118), SYCP3-like Dr (157), SYCP3 Mm (169), SC65 Dr (176), SC65 Mm (179), SCP3-like annotated for Strongylocentrotus purpuratus
Hemichordata, Xenoturbellida, and Chaetognatha (Deuterostomia 2)
14118
SYCP1 Mm (69), C(3)G Dm (68), SYP-1 Ce (50)
ZYP1b At (53), ZYP1a At (56), Zip1 Sc (70)
ASY2 At (59), ASY1 At (121), Hop1 Sc (85)
FKBP6 Mm (95), SC65 Dr (177), SC65 Mm (182), leprecan-like = SC65-like annotated for Saccoglossus kowalevskii
Cephalochordata (Deuterostomia 3)
60054
SYCP1 Dr (69d), SYCE2 Mm (72), SYCP1 Mm (81d), C(3)G Dm (59d)
ZYP1a At (68d), ZYP1b At (69)
ASY2 At (50d), ASY1 At (87d), Hop1 Sc (52d)
SYCP2 Mm (115), FKBP6 Mm (125), SC65 Dr (127), SC65 Mm (144), SYCP3-like Dr (193), SYCP3 Mm (194)
Tunicata (Deuterostomia, Chordata)
51435
SYCP1 Dr (55), SYCP1 Mm (57), C(3)G Dm (57)
ZYP1a At (57), ZYP1b At (66)
Low similarity
SYCP3 Mm (136), SYCP3-like Dr (140), SC65 Mm (150), SC65 Dr (153), FKBP6 Mm (175), similar to SCP3-like annotated for Ciona intestinalis and leprecan = SC65, for Molgula tectiformis
Actinopterygii (Chordata, Vertebrata, and Teleostomi)
451775
TEX12 Mm (57), SYCE2 Mm (67), SYCE3 Mm (73), SYCE1 Mm (84), SYCP1 Mm (320), C(3)G Dm (59), SYP-1 Ce (50)
ZYP1a At (57), Zip1 Sc (56)
ASY2 At (70), ASY1 At (119), Hop1 Sc (81)
SYCP3 Mm (263), FKBP6 Mm (321), SYCP2 Mm (343), SC65 Mm (471), HIM-3 Ce (73), SC65-like annotated for various fish species
Amphibia (Vertebrata, Teleostomi)
162402
SYCE1-like Dr (50), TEX12 Af (56), TEX12 Mm (72), SYCE2 Mm (84), SYCE1 Mm (93), SYCE3 Mm (110); SYCE1-like, SYCE2-like, TEX12-like annotated for Xenopus tropicalis
Low similarity
ASY2 At (82), ASY1 At (117)
SYCP2 Dr (50), SYCP3-like Dr (272), SYCP3 Mm (307), FKBP6 Mm (402), SYCP2 Mm (410), SC65 Dr (464), SC65 Mm (523), HIM-3 Ce (63), SYCP2 and SYCP3 annotated for X. tropicalis, SYCP2-like and SYCP3, for X. laevis; leprecan-like = SC65 precursor, for X. tropicalis, X. laevis
Sauropsida (Vertebrata, Teleostomi)
372873
TEX12 Af (60), SYCE2 Dr (63), SYCE1-like Dr (72), TEX12 Mm (117), SYCE2 Mm (129), SYCE3 Mm (139), SYCE1 Mm (154), SYCP1 Dr (196), SYCP1 Mm (394), C(3)G Dm (52), SYCP1-like, SYCE1-like, SYCE2-like, SYCE3-like, TEX12-like annotated for various bird species
Zip1 Sc (50)
ASY2 At (90), ASY1 At (124)
SYCP2 Dr (57), SYCP3-like Dr (275), SYCP3 Mm (346), FKBP6 Mm (387), SC65 Dr (484), SYCP2 Mm (498), SC65 Mm (574), HIM-3 Ce (74), SYCP2-like, SCP3, SC65-like annotated for various bird species
Mammalia (Vertebrata, Teleostomi)
2272182
TEX12 Af (64), SYCE2 Dr (68), SYCE1-like Dr (86), SYCP1 Dr (226), SYCP1, SYCE1, SYCE2, SYCE3, TEX12 annotated for various species
Low similarity
ASY2 At (84), ASY1 At (119), Hop1 Sc (78)
SYCP2 Dr (149), SYCP3-like Dr (275), SC65 Dr (489), HIM-3 Ce (79), SYCP2, SYCP3, SC65 annotated for various species
As of the time of study start (January-February 2013).
bSimilarity with cognate proteins is not shown.
cThese scores (with -values ranging from to ) approximate the scores obtained for the random analogs of the SC proteins (-values ranging from to ) (italicized).
dThe same proteins (different in different cells of the table) from several proteomes under study showed a maximal similarity to the native protein indicated. Other designations are as in Table 3.