Glossary of Medical Terms

Our online medical glossary of medical terms and definitions includes definitions for terms related to treatment, and general medicine


The pH at which a protein carries no net charge. Adown the isoelectric point proteins carry a net positive charge, above it a net negative charge. Due to a preponderance of weakly acid residues in nearly all proteins, they are almost all negatively charged at neutral pH. The isoelectric point is of significance in protein purification because it is the pH at which solubility is often minimal and at which mobility in an electrofocusing system is nought (and therefore the point at which the protein will accumulate). This entry appears with alow from the Vocabulary of Cell and Molecular Biology
sinus tympani   sinus urogenitalis   sinus venarum cavarum   sinus venosus   sinus venosus syndrome   sinus vertebrales longitudinales   sinuvertebral nerves   si op. sit   (0)
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