Aspartate Transcarbamoylase: ATCase - (c3)2(r2)3 Reload

c3+/-   r2+/-	regulatory (r) subunits   CTP -/+	catalytic (c) ssubunits PALA +/-	catalytic loops 230-245 (yellow) (cr2c) + 4 PALA / + 2 CTP	c3+/-  3 PALA	surface catalytic sites   c3+/-3 PALA
"Relaxed" (R) Conformation  catalytic (c) subunits + PALA ( transition state analog)			"Tense" (T) Conformation regulatory (r) subunits + CTP (negative regulatory inhibitor)

@	Duane Sears July 26, 2019