CLONING AND SEQUENCE OF THE CDNA-ENCODING THE RAT OLIGODENDROCYTE INTEGRIN BETA(1) SUBUNIT

被引:18
作者
MALEKHEDAYAT, S
ROME, LH
机构
[1] UNIV CALIF LOS ANGELES,SCH MED,DEPT BIOL CHEM,LOS ANGELES,CA 90024
[2] UNIV CALIF LOS ANGELES,SCH MED,MENTAL RETARDAT RES CTR,LOS ANGELES,CA 90024
关键词
CELL-SURFACE GLYCOPROTEIN; FIBRONECTIN RECEPTOR; AMINO ACID SEQUENCE HOMOLOGY; BETA(OL);
D O I
10.1016/0378-1119(94)00911-B
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
We have isolated a cDNA clone encoding an integrin (Itg) beta-subunit polypeptide from a rat cerebral cortex oligodendroglia cDNA library. This beta-subunit was previously designated beta(OL) (OL for oligodendroglia), since it had an M(r) that differed from that of the rat fibroblast beta(1) protein. The complete nucleotide sequence encoding the signal sequence and mature protein was determined. Comparison of the deduced amino acid (aa) sequence of beta(OL) to those of integrin beta subunits from other species revealed that beta(OL) is a member of the integrin (Itg) beta(1) class. The aa sequence of beta(OL) shows 78.5-97.9% similarity to beta(1) chains from four other species and displays all the features characteristic of the Itg beta subunits, indicating the high degree of structural conservation seen in this subunit of the Itg receptors.
引用
收藏
页码:287 / 290
页数:4
相关论文
共 9 条
[1]   AMINO-ACID-SEQUENCE OF THE HUMAN FIBRONECTIN RECEPTOR [J].
ARGRAVES, WS ;
SUZUKI, S ;
ARAI, H ;
THOMPSON, K ;
PIERSCHBACHER, MD ;
RUOSLAHTI, E .
JOURNAL OF CELL BIOLOGY, 1987, 105 (03) :1183-1190
[2]   ASSIGNMENT OF DISULFIDE BONDS IN HUMAN PLATELET GPIIIA - A DISULFIDE PATTERN FOR THE BETA-SUBUNITS OF THE INTEGRIN FAMILY [J].
CALVETE, JJ ;
HENSCHEN, A ;
GONZALEZRODRIGUEZ, J .
BIOCHEMICAL JOURNAL, 1991, 274 :63-71
[3]  
DESIMONE DW, 1988, J BIOL CHEM, V263, P5333
[4]   MOLECULAR-CLONING OF A MURINE FIBRONECTIN RECEPTOR AND ITS EXPRESSION DURING INFLAMMATION - EXPRESSION OF VLA-5 IS INCREASED IN ACTIVATED PERITONEAL-MACROPHAGES IN A MANNER DISCORDANT FROM MAJOR HISTOCOMPATIBILITY COMPLEX CLASS-II [J].
HOLERS, VM ;
RUFF, TG ;
PARKS, DL ;
MCDONALD, JA ;
BALLARD, LL ;
BROWN, EJ .
JOURNAL OF EXPERIMENTAL MEDICINE, 1989, 169 (05) :1589-1605
[5]   INTEGRINS - A FAMILY OF CELL-SURFACE RECEPTORS [J].
HYNES, RO .
CELL, 1987, 48 (04) :549-554
[6]   INTEGRINS - VERSATILITY, MODULATION, AND SIGNALING IN CELL-ADHESION [J].
HYNES, RO .
CELL, 1992, 69 (01) :11-25
[7]   EXPRESSION OF A BETA(1)-RELATED INTEGRIN BY OLIGODENDROGLIA IN PRIMARY CULTURE - EVIDENCE FOR A FUNCTIONAL-ROLE IN MYELINATION [J].
MALEKHEDAYAT, S ;
ROME, LH .
JOURNAL OF CELL BIOLOGY, 1994, 124 (06) :1039-1046
[8]   ARG-GLY-ASP - A VERSATILE CELL RECOGNITION SIGNAL [J].
RUOSLAHTI, E ;
PIERSCHBACHER, MD .
CELL, 1986, 44 (04) :517-518
[9]   STRUCTURE OF INTEGRIN, A GLYCOPROTEIN INVOLVED IN THE TRANSMEMBRANE LINKAGE BETWEEN FIBRONECTIN AND ACTIN [J].
TAMKUN, JW ;
DESIMONE, DW ;
FONDA, D ;
PATEL, RS ;
BUCK, C ;
HORWITZ, AF ;
HYNES, RO .
CELL, 1986, 46 (02) :271-282