11328
Abbreviations : CAS , CRK - associated substrate ; CH , calponin - homology domain ; CSK , C - terminal SRC kinase ; E6 , Papillomavirus E6 protein ; FAK , focal adhesion kinase ; GIT , GRK interacter ; GPCR , heterotrimeric - G - protein - coupled receptor ; GRK , G - protein - coupled - receptor kinase ; MAPK , mitogen - activated protein kinase ( ERK , p38 , JNK ) ; PAK , p21 - activated kinase ; PBS , paxillin - binding subdomain ; PIX , PAK - interacting exchange factor ; PKL , paxillin kinase linker ; POR1 , partner of Rac ; PS , phosphoserine ; PT , phosphothreonine ; PY , phosphotyrosine ; RTK , growth factor receptor tyrosine kinase ; SH , SRC - homology domain .
 CAS, CRK - associated substrate, CH, calponin - homology domain, CSK, C - terminal SRC kinase, E6, Papillomavirus E6 protein, FAK, focal adhesion kinase, GIT, GRK interacter, GPCR, heterotrimeric - G - protein - coupled receptor, GRK, G - protein - coupled - receptor kinase, MAPK, mitogen - activated protein kinase, ERK, p38, JNK, PAK, p21 - activated kinase, PBS, paxillin - binding subdomain, PIX, PAK - interacting exchange factor, PKL, paxillin kinase linker, POR1, partner of Rac, RTK, growth factor receptor tyrosine kinase, SH, SRC - homology domain
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 CAS, CRK - associated substrate, CH, calponin - homology domain, CSK, C - terminal SRC kinase, E6, Papillomavirus E6 protein, FAK, focal adhesion kinase, GIT, GRK interacter, GPCR, heterotrimeric - G - protein - coupled receptor, GRK, G - protein - coupled - receptor kinase, MAPK, mitogen - activated protein kinase, ERK, p38, JNK, PAK, p21 - activated kinase, PBS, paxillin - binding subdomain, PIX, PAK - interacting exchange factor, PKL, paxillin kinase linker, POR1, partner of Rac, RTK, growth factor receptor tyrosine kinase, SH, SRC - homology domain