1. Piotr Masiakowski, George D. Yancopoulos
The Wnt receptor CRD domain is also found in MuSK and related orphan receptor tyrosine kinases 
Piotr Masiakowski, George D. Yancopoulos 
Current Biology 
Volume 8, Issue 12, (June 1998)
DOI: /S (98)

2. Figure 1
(a) Multiple sequence alignment of 10-cysteine domains and (b) a phylogenetic tree showing the clustering relationships used to create the alignment. The sequences were downloaded through NCBI Entrez and processed using the programs in the GCG Wisconsin Package [8].
Current Biology 1998 8, DOI: ( /S (98) )