Isolation and amino terminal sequence of beta-trace, a novel protein from human cerebrospinal fluid.
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Kuruvilla AP, Hochwald GM, Ghiso J, Castano EM, Pizzolato M, Frangione B
Isolation and amino terminal sequence of beta-trace, a novel protein from human cerebrospinal fluid.
Brain Res. 1991 Nov 29;565(2):337-40.
- PubMed ID
- 1726844 [ View in PubMed]
- Abstract
beta-Trace, a 23.5 kDa glycoprotein of unknown biological functions, is present in all body fluids tested. It is found in higher concentration in human seminal fluid and cerebrospinal fluid (CSF) than in serum. A one-step procedure for the isolation of beta-trace from pooled CSF is described, by affinity chromatography using a specific antibody made against beta-trace. Amino terminal sequence analysis yields the sequence A P E A Q V S V Q P N F Q Q D K F L G with no homology to known proteins, indicating that beta-trace is a novel CSF protein.