The physiologically active Brain Natriuretic Peptide (BNP) is formed by the cleavage of the 108 amino acid long peptide pro-BNP into NT pro-BNP (N-terminal end) and BNP (C terminal end).
The molecular weight for human BNP (32 amino acids) is given as 3,464 or 3,472 daltons
The molecular weight for human NT pro-BNP (76 amino acids) is around 8,670 daltons
Units used:
(1) ng/mL
(2) pg/L
(3) pg/mL
(4) pmol/L (or pM)
1 ng/mL = 1,000 pg/mL
1 pg/mL = 1,000 pg/L
1 pg/L of BNP = 1/3472 pmol/L = 0.000288 pmol/L
1 pmol/L BNP = 3,472 pg/L = 3.472 pg/mL
1 pg/L of NT pro-BNP = 1/8670 pmol/L = 0.000115 pmol/L
1 pmol/L NT proBNP = 8,670 pg/L = 8.670 pg/mL
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