이 유전자의 산물은 단백질의 인테그린 알파 사슬 계열에 속합니다.인테그린은 알파사슬과 베타사슬로 이루어진 헤테로다이머 일체막 단백질이다.이 유전자는 알파4 사슬을 암호화한다.다른 인테그린 알파 사슬과 달리 알파 4는 I-도메인을 포함하지 않으며, 디술피드와 연결된 절단 과정을 거치지 않는다.알파 4 체인은 베타 1 체인 또는 베타 7 [5]체인과 연관되어 있습니다.
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