Top 40 C. briggsae InterPro Domains in the Ensembl Database (Mar 3, 2003) [Source: Ensemble database, The Wellcome Trust, Sanger Institute] No. Interpro name Number of genes Number of Ensembl hits No. Interpro name Number of genes Number of Ensembl hits 1 IPR001472 Bipartite nuclear localization signal 551 1316 21 IPR005828 General substrate transporter 50 59 2 IPR001687 ATP/GTP-binding site motif A (P-loop) 408 2209 22 IPR001356 Homeobox 49 319 3 IPR000276 Rhodopsin-like GPCR superfamily 259 1471 23 IPR001230 Prenyl group binding site (CAAX box) 49 130 4 IPR000168 Nematode 7TM chemoreceptor (probably olfactory) 221 1053 24 IPR001611 Leucine-rich repeat 47 587 5 IPR001628 Zn-finger, C4-type steroid receptor 162 2357 25 IPR002347 Glucose/ribitol dehydrogenase 45 522 6 IPR000719 Protein kinase 143 995 26 IPR000535 Major sperm protein (MSP) domain 45 104 7 IPR000087 Collagen triple helix repeat 130 924 27 IPR003006 Immunoglobulin/major histocompatibility complex 44 158 8 IPR007087 Zn-finger, C2H2 type 120 937 28 IPR002875 Protein of unknown function DUF23 44 83 9 IPR002965 Proline-rich extensin 103 800 29 IPR002110 Ankyrin 43 457 10 IPR001680 G-protein beta WD-40 repeat 101 1004 30 IPR000242 Tyrosine specific protein phosphatase 43 471 11 IPR001245 Tyrosine protein kinase 99 983 31 IPR000734 Lipase 41 138 12 IPR000504 RNA-binding region RNP-1 (RNA recognition motif) 76 361 32 IPR006201 Neurotransmitter-gated ion-channel 41 357 13 IPR001304 C-type lectin 71 331 33 IPR001440 TPR repeat 40 270 14 IPR000694 Proline-rich region 71 130 34 IPR001534 Transthyretin-like 36 43 15 IPR000345 Cytochrome c heme-binding site 70 240 35 IPR003280 K+ channel, two pore 35 160 16 IPR006209 EGF-like domain 67 641 36 IPR006028 Gamma-aminobutyric acid A receptor 35 460 17 IPR002048 Calcium-binding EF-hand 65 663 37 IPR002290 Serine/Threonine protein kinase 35 145 18 IPR003003 7TM chemoreceptor, subfamily 2 64 150 38 IPR000379 Esterase/lipase/thioesterase, active site 35 77 19 IPR001806 Ras GTPase superfamily 51 365 39 IPR002401 E-class P450, group I 34 1283 20 IPR001841 Zn-finger, RING 50 148 40 IPR001810 Cyclin-like F-box 34 60