title: The NH-2-terminal sequences of a subunit of the first component of human complement, C1s, and its activated form, C1s.
mesh_terms: D000595:Amino Acid Sequence; D002846:Chromatography, Affinity; D002848:Chromatography, DEAE-Cellulose; D003165:Complement System Proteins / Q000302:isolation & purification / Q000378:metabolism; D003619:Dansyl Compounds; D004591:Electrophoresis, Polyacrylamide Gel; D004789:Enzyme Activation; D006801:Humans; D008970:Molecular Weight; D010446:Peptide Fragments / Q000032:analysis
chemical_list: D003619:Dansyl Compounds; D010446:Peptide Fragments; D003165:Complement System Proteins