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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
10
pubmed:dateCreated
2000-12-20
pubmed:abstractText
Three major serine proteinase inhibitors (SBI-1, -2, and -3) were purified from the seeds of white sword bean (Canavalia gladiata) by FPLC and reversed-phase HPLC. The sequences of these inhibitors were established by automatic Edman degradation and TOF-mass spectrometry. SBI-1, -2, and -3 consisted of 72, 73, and 75 amino acid residues, with molecular masses of 7806.5, 7919.8, and 8163.4, respectively. The sequences of SBI-1 and -2 coincided with those of CLT I and II [Terada et al. (1994) Biosci. Biotech. Biochem., 58, 376-379] except only N- or C-terminal amino acid residues. Analysis of the amino acid sequences showed that the active sites of the inhibitors contained a Lys21-Ser22 against trypsin and Leu48-Ser49 against chymotrypsin, respectively. Further, it became apparent that about seven disulfide bonds were present. These results suggest that sword bean inhibitors are members of the Bowman-Birk proteinase inhibitor family.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0916-8451
pubmed:author
pubmed:issnType
Print
pubmed:volume
64
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2272-5
pubmed:dateRevised
2001-11-28
pubmed:meshHeading
pubmed:year
2000
pubmed:articleTitle
Complete amino acid sequences of three proteinase inhibitors from white sword bean (Canavalia gladiata).
pubmed:affiliation
Materials Chemistry Department, Kyushu National Industrial Research Institute, Tosu, Saga, Japan. park@kniri.go.jp
pubmed:publicationType
Journal Article