Evidence is presented that the seminal vesicle of the bull is an important source of a protein which is very similar to nerve growth factor from mouse submaxillary gland. Its chemical and biological properties in vitro are compared with those of nerve growth factor from other sources.
nerve growth factor
seminal vesicle extract
Nα-p-tocenesulphonyl-l-arginine methyl ester
Nα-benzoyl-l-arginine ethyl ester
sodium dodecyl sulphate