Neuropeptides and Neuropeptide Receptors in the Drosophila melanogaster Genome

Table 2.

Classification of Cloned and Candidate DrosophilaNeuropeptide Receptors by BLAST and Phylogenetic Analysis

Gene F/G Best BLAST hit(s) Phylogenetic analysis full tree neighbors Bootstrap
Diagnostic P fly P Worm P
CG6857 A/III-B CCKR 35 CG6881 38 GASR, CCKR >900
CG6881 A/III-B GASR 45 CG6857 71 GASR, CCKR >900
CG5811 A/III-B GRL106 58 CG10626 48 GRL106 >700
CG10626 A/III-B LKR 77 CG5811 38 LKR,  LSR >990
Takr86C A/III-B NK3R 65 Takr99D 72 NKR >500
Takr99D A/III-B NK3R 64 Takr86C 67 NKR >500
CG10823 A/III-B NFFR 45 CG5811 43 C50F7.1 38 OXR <300
BG:BACR48G21.1 A/III-B NK2R 20 Takr86C 21 NMBR/GRPR/BR <100
CG1147 A/III-B NY2R 31 C25G6.5 33 NPYR <500
CG7395 A/III-B NY2R 40 F41E7.3 32 NY2R <500
CG12610 A/III-B NPYR 14 PRPR >500
CG13995 A/III GASR 6 NMBR/GRPR/BR <100
CG14593 A/III-B BRS4 36 CG14484 52 NMBR/GRPR/BR >700
CG14484 A/III-B GRPR 40 CG14593 43 NMBR/GRPR/BR >700
CG8784 A/III-B NMUR 36 CG8795 117 NTR/GHSR >700
CG8795 A/III-B NMUR 39 CG8784 114 NTR/GHSR >700
CG9918 A/III-B NMUR 34 CG8784 61 NTR/GHSR >700
CG14575 A/III-B NMUR 42 CG8784 39 C48C5.1 39 NTR/GHSR >700
CG14003 A/III? GHSR 19 CG10001 20 NTR/GHSR <100
CG5911A A/III-B TRFR 25 TRFR <500
CG5911B A/III-B GHSR 28 ND
CG2114 A/III? TRFR 11 T14C1.1 28 TRFR <300
CG16726 A/III? NK3R 14 TRFR <300
CG6986 A/III? TRFR 10 CG16726 11 TRFR <300
CG13575 A/III GHSR, LSR 8 CG10626 9 GPRJ <300
CG8985 A/III? AlstR 4 CG13803 130 F57B7.1 29 TRFR <300
CG13229 A/III? NY5R 6 CG13803 46 F57B7.1 31 TRFR <300
CG13803 A/III? AlstR 7 CG8985 130 F57B7.1 25 TRFR <300
CG5936 A/III? NTR 2 B0563.6 18 TRFR <300
AlstR A/V GALR 41 CG10001 67 ZK455.3 43 GALR/GALS/GALT <500
CG10001 A/V GALR 28 AlstR 53 ZK455.3 31 GALR/GALS/GALT <500
CG7285 A/V SSR2 49 CG13702 78 SSR <500
CG13702 A/V SSR2 50 CG7285 75 SSR <500
GRHR A/V GRHR 51 GRHR/VPR/OXYR >700
CG10698 A/V GRHR 36 GRHR 37 GRHR/VPR/OXYR >700
CG6111 A/V V1BR 38 GRHR/VPR/OXYR >700
Fsh A/V (c) LSHR 66 FSHR/TSHR/LSHR/LGR4–6 >990
rk A/V (c) LSHR 68 FSHR/TSHR/LSHR/LGR4–6 >990
CG4187 A/V (c) GRL101λ 57 CG5042 43 LGR7 >900
CG5042 A/V (c) GRL101λ 34 CG4187 40 LGR7 >900
CG4395 B/I CALR 22 CG17415 24 CALR/CGRR >500
CG17415 B/I CALR 44 CALR/CGRR >500
CG13758 B/I–III CALR 38 C13B9.4 50 B/I–III <500
CG8422 B/I DIHR 54 CG12370 65 DIHR >900
CG12370 B/I DIHR 71 CG8422 81 DIHR >900
  • F/G, Family/Group classification. Diagnostic, Highest scoring receptor with known ligand/function. Fly, Highest scoringDrosophila GPCR (with P value near or exceeding the best diagnostic score). Worm, Highest scoring Caenorhabditis elegans GPCR (with P value near or exceeding the best diagnostic score). P, P value for respective diagnostic, fly or worm GPCR (le−x, where x is the value displayed in the table).

  • P value for stable fly TKR is 74.

  • Several other C. elegans GPCRs displayed Pvalues exceeding the value obtained for the top “diagnostic” hit. CG10001 tends to be promiscuous on BLASTP with other, even very distantly related, fly receptors. λ, GRL101, as well as the other members of this class of GPCRs, is an orphan receptor (LGR7 is not in the public sequence databases).

  • ND, not done. (The remaining receptor abbreviations are described in the legends of Figs. 1 F2 F3.)

This Article

  1. Genome Res. 11: 1126-1142

Preprint Server