^Skoog MT, Mehdi S, Wiseman JS, Bey P (June 1989). "The specificity of two proteinases that cleave adjacent to arginine, C1 esterase and acrosin, for peptide p-nitroanilide substrates". Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology. 996 (1–2): 89–94. doi:10.1016/0167-4838(89)90099-x. PMID2500154.
Luo C, Thielens NM, Gagnon J, Gal P, Sarvari M, Tseng Y, Tosi M, Zavodszky P, Arlaud GJ, Schumaker VN (May 1992). "Recombinant human complement subcomponent C1s lacking beta-hydroxyasparagine, sialic acid, and one of its two carbohydrate chains still reassembles with C1q and C1r to form a functional C1 complex". Biochemistry. 31 (17): 4254–62. doi:10.1021/bi00132a015. PMID1533159.
Illy C, Thielens NM, Gagnon J, Arlaud GJ (July 1991). "Effect of lactoperoxidase-catalyzed iodination on the Ca(2+)-dependent interactions of human C1s. Location of the iodination sites". Biochemistry. 30 (29): 7135–41. doi:10.1021/bi00243a014. PMID1854725.
Hess D, Schaller J, Rickli EE (March 1991). "Identification of the disulfide bonds of human complement C1s". Biochemistry. 30 (11): 2827–33. doi:10.1021/bi00225a014. PMID2007122.
Thielens NM, Van Dorsselaer A, Gagnon J, Arlaud GJ (April 1990). "Chemical and functional characterization of a fragment of C1-s containing the epidermal growth factor homology region". Biochemistry. 29 (14): 3570–8. doi:10.1021/bi00466a021. PMID2141278.
Busby TF, Ingham KC (May 1990). "NH2-terminal calcium-binding domain of human complement C1s- mediates the interaction of C1r- with C1q". Biochemistry. 29 (19): 4613–8. doi:10.1021/bi00471a016. PMID2372546.
Tosi M, Duponchel C, Meo T, Couture-Tosi E (August 1989). "Complement genes C1r and C1s feature an intronless serine protease domain closely related to haptoglobin". Journal of Molecular Biology. 208 (4): 709–14. doi:10.1016/0022-2836(89)90161-7. PMID2553984.
Tosi M, Duponchel C, Meo T, Julier C (December 1987). "Complete cDNA sequence of human complement Cls and close physical linkage of the homologous genes Cls and Clr". Biochemistry. 26 (26): 8516–24. doi:10.1021/bi00400a004. PMID2831944.
Nguyen VC, Tosi M, Gross MS, Cohen-Haguenauer O, Jegou-Foubert C, de Tand MF, Meo T, Frézal J (April 1988). "Assignment of the complement serine protease genes C1r and C1s to chromosome 12 region 12p13". Human Genetics. 78 (4): 363–8. doi:10.1007/BF00291737. PMID2834284. S2CID30582112.
Rossi V, Gaboriaud C, Lacroix M, Ulrich J, Fontecilla-Camps JC, Gagnon J, Arlaud GJ (June 1995). "Structure of the catalytic region of human complement protease C1s: study by chemical cross-linking and three-dimensional homology modeling". Biochemistry. 34 (22): 7311–21. doi:10.1021/bi00022a004. PMID7779774.
Bersch B, Hernandez JF, Marion D, Arlaud GJ (February 1998). "Solution structure of the epidermal growth factor (EGF)-like module of human complement protease C1r, an atypical member of the EGF family". Biochemistry. 37 (5): 1204–14. doi:10.1021/bi971851v. PMID9477945.
Inoue N, Saito T, Masuda R, Suzuki Y, Ohtomi M, Sakiyama H (October 1998). "Selective complement C1s deficiency caused by homozygous four-base deletion in the C1s gene". Human Genetics. 103 (4): 415–8. doi:10.1007/s004390050843. PMID9856483. S2CID7689382.