The amino acid sequence of the agglutinin isolated from the red marine alga Bryothamnion triquetrum defines a novel lectin structure

被引:41
作者
Calvete, JJ
Costa, FHF
Saker-Sampaio, S
Murciano, MPM
Nagano, CS
Cavada, BS
Grangeiro, TB
Ramos, MV
Bloch, C
Silveira, SB
Freitas, BT
Sampaio, AH
机构
[1] Inst Biomed Valencia, E-46010 Valencia, Spain
[2] Univ Fed Ceara, Dept Engn Pesca, BR-60451970 Fortaleza, Ceara, Brazil
[3] Univ Fed Ceara, Biomol Lab, BR-60451970 Fortaleza, Ceara, Brazil
[4] EMBRAPA, CENARGEN, Brasilia, DF, Brazil
关键词
red marine alga; Bryothamnion triquetrum; lectin; amino acid sequence; mass spectrometry;
D O I
10.1007/PL00000696
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The primary structure of a lectin isolated from the red alga Bryothamnion triquetrum? was established by combination of Edman degradation of sets of overlapping peptides and mass spectrometry. It contains 91 amino acids and two disulphide bonds. The primary structure of the B. triquetrum lectin does not show amino acid sequence similarity with known plant and animal lectin structures. Hence, this protein may be the paradigm of a novel lectin family.
引用
收藏
页码:343 / 350
页数:8
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