▁ 1 0 7 . 5 ▁in ▁Ch el ten ham , ▁Gl ouc esters hire ▁ ▁Star ▁ 1 0 7 . 7 ▁in ▁West on - super - M are , ▁Som erset ▁ ▁Star ▁ 1 0 7 . 9 ▁in ▁Str oud , ▁Gl ouc esters hire <0x0A> </s> ▁In ▁mole cular ▁bi ology , ▁the ▁type ▁IV ▁col lagen ▁C 4 ▁domain ▁( or ▁col lagen ▁IV ▁NC 1 ▁domain ) ▁is ▁a ▁dup licated ▁domain ▁present ▁at ▁the ▁C - ter minus ▁of ▁type ▁IV ▁col lag ens . ▁Each ▁type ▁IV ▁col lagen ▁contains ▁a ▁long ▁triple - hel ical ▁col lagen ous ▁domain ▁fl ank ed ▁by ▁a ▁short ▁ 7 S ▁domain ▁of ▁ 2 5 ▁am ino ▁ac ids ▁and ▁a ▁glob ular ▁non - col lagen ous ▁C 4 ▁domain ▁of ▁~ 2 3 0 ▁am ino ▁ac ids ▁at ▁the ▁N ▁and ▁C ▁termin us , ▁respectively . ▁In ▁prot omer ▁assembly , ▁the ▁C 4 ▁domains ▁of ▁three ▁ch ains ▁interact , ▁forming ▁an ▁C 4 ▁tr imer , ▁to ▁select ▁and ▁register ▁ch ains ▁for ▁triple ▁hel ix ▁formation . ▁In ▁network ▁assembly , ▁the ▁C 4 ▁trim ers ▁of ▁two ▁pro tom ers ▁interact , ▁forming ▁a ▁C 4 ▁hex amer ▁structure , ▁to ▁select ▁and ▁connect ▁pro tom ers . ▁ ▁The ▁col lagen ▁IV ▁C 4 ▁domain ▁contains ▁ 1 2 ▁c yst e ines , ▁and ▁all ▁of ▁them ▁are ▁involved ▁in ▁dis ul ph