C1QTNF1 Human Recombinant produced in E.Coli is a single, non-glycosylated, Polypeptide chain containing 266 amino acids and having a molecular mass of 30.45 kDa. The protein contains an extra His tag at N-terminus. The C1QTNF1 amino acid sequence is identical to UniProtKB/Swiss-Prot entry Q9BXJ1 amino acids 26–281.The C1QTNF1 is purified by proprietary chromatographic techniques.