Synaptonemal complex protein 1 (SCP-1) is the major component of the transverse filaments of the synaptonemal complex. Synaptonemal complexes are structures that are formed between homologous chromosomes during meiotic prophase [1].

1: A coiled-coil related protein specific for synapsed regions of meiotic prophase chromosomes. Meuwissen RL, Offenberg HH, Dietrich AJ, Riesewijk A, van Iersel M, Heyting C; EMBO J 1992;11:5091-5100. PMID:1464329