Phospholipases A2 and Wnts are unlikely to share a common ancestor.
Copley
R R
RR
Ponting
C P
CP
Bork
P
P
D017124:Conserved Sequence; D018360:Crystallography, X-Ray; D003545:Cysteine / Q000737:chemistry; D019143:Evolution, Molecular; D010741:Phospholipases A / Q000737:chemistry / Q000235:genetics*; D010802:Phylogeny; D011518:Proto-Oncogene Proteins / Q000737:chemistry / Q000235:genetics*; D017386:Sequence Homology, Amino Acid; D051153:Wnt Proteins; D029961:Zebrafish Proteins
D011518:Proto-Oncogene Proteins; D051153:Wnt Proteins; D029961:Zebrafish Proteins; D010741:Phospholipases A; D003545:Cysteine