이 유전자는 글루탐산염 조절 이온 채널의 슈퍼패밀리에 속하는 N-메틸-D-아스파테이트(NMDAR) 수용체의 서브유닛을 암호화하고 중추신경계의 생리학적, 병리학적 작용에서 기능한다.이 서브유닛은 랫드의 해당 서브유닛에 대해 90% 이상의 아이덴티티를 보여준다.이 서브유닛에 결핍된 녹아웃 마우스 연구는 이 유전자가 NMDA 수용체 활성을 변조하여 시냅스 원소의 개발에 관여할 수 있음을 시사한다.[5]
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