PSG1 (англ.Pregnancy specific beta-1-glycoprotein 1) – білок, який кодується однойменним геном, розташованим у людей на короткому плечі 19-ї хромосоми.[2] Довжина поліпептидного ланцюга білка становить 419 амінокислот, а молекулярна маса — 47 223[3].
Streydio C., Lacka K., Swillens S., Vassart G. (1988). The human pregnancy-specific beta 1-glycoprotein (PS beta G) and the carcinoembryonic antigen (CEA)-related proteins are members of the same multigene family. Biochem. Biophys. Res. Commun. 154: 130—137. PMID3260773DOI:10.1016/0006-291X(88)90660-2
Chan W.-Y., Borjigin J., Zheng Q.-X., Shupert W.L. (1988). Characterization of cDNA encoding human pregnancy-specific beta 1-glycoprotein from placenta and extraplacental tissues and their comparison with carcinoembryonic antigen. DNA. 7: 545—555. PMID3180995DOI:10.1089/dna.1.1988.7.545
Khan W.N., Hammarstroem S. (1989). Carcinoembryonic antigen gene family: molecular cloning of cDNA for a PS-beta-G/FL-NCA glycoprotein with a novel domain arrangement. Biochem. Biophys. Res. Commun. 161: 525—535. PMID2735907DOI:10.1016/0006-291X(89)92631-4
Zimmermann W.A., Weiss M., Thompson J.A. (1989). cDNA cloning demonstrates the expression of pregnancy-specific glycoprotein genes, a subgroup of the carcinoembryonic antigen gene family, in fetal liver. Biochem. Biophys. Res. Commun. 163: 1197—1209. PMID2783133DOI:10.1016/0006-291X(89)91105-4
Khan W.N., Osterman A., Hammarstroem S. (1989). Molecular cloning and expression of cDNA for a carcinoembryonic antigen-related fetal liver glycoprotein. Proc. Natl. Acad. Sci. U.S.A. 86: 3332—3336. PMID2541441DOI:10.1073/pnas.86.9.3332
Zoubir F., Khan W.N., Hammarstroem S. (1990). Carcinoembryonic antigen gene family members in submandibular salivary gland: demonstration of pregnancy-specific glycoproteins by cDNA cloning. Biochem. Biophys. Res. Commun. 169: 203—216. PMID2350345DOI:10.1016/0006-291X(90)91455-2