Crystals of the Chlamydomonas reinhardtii cell wall: polymerization, depolymerization, and purification of glycoprotein monomers.

Crystals of the Chlamydomonas reinhardtii cell wall: polymerization, depolymerization, and purification of glycoprotein monomers.
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衣原体的晶体Reinhardtii细胞壁:聚合,解聚和糖蛋白单体的纯化。

DOI:
10.1083/jcb.103.2.405
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发表时间:
1986-08
期刊:
The Journal of cell biology
影响因子:
--
通讯作者:
Heuser JE
Heuser JE
中科院分区:
其他
文献类型:
--
作者:
Goodenough UW;Gebhart B;Mecham RP;Heuser JE

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莱茵衣藻细胞壁的三个主要外层中的两个(W 6和W 4)可以用高氯酸钠或其他离液剂从活细胞中溶解,并将在体外重新溶解以形成毫克量的壁晶体。最佳结晶的条件,不能诱导聚合的条件被利用,以保持单体在水溶液中的离子交换色谱。复合物的四种主要糖蛋白(GP 1,1.5,2和3)以这种方式被纯化到明显的均匀性,并已通过透射电子显微镜使用速冻,深蚀刻技术和氨基酸组成的形态特征。四种中的三种是富含羟脯氨酸的物质,它们共聚形成W 6层。第四个(GP1.5)是一种富含甘氨酸的物质,与体外晶体的内部结合;它显然相当于原位W 4层内的颗粒。
Two of the three major outer layers of the Chlamydomonas reinhardtii cell wall (W6 and W4) can be solubilized from living cells with sodium perchlorate or other chaotropes and will repolymerize in vitro to form milligram amounts of wall crystals. Conditions for optimal crystalization are presented, and conditions that fail to induce polymerization are exploited to maintain monomers in aqueous solution for ion-exchange chromatography. The four major glycoproteins of the complex (GP1, 1.5, 2, and 3) have in this way been purified to apparent homogeneity and have been characterized morphologically by transmission electron microscopy using the quick-freeze, deep-etch technique and by amino acid composition. Three of the four are hydroxyproline-rich species that copolymerize to form the W6 layer. The fourth (GP1.5) is a glycine-rich species that binds to the interior of the in vitro crystal; it is apparently equivalent to the granules within the W4 layer in situ.
DOI: 10.1083/jcb.101.4.1550
发表时间: 1985-10
期刊: The Journal of cell biology
影响因子: --
作者:
Goodenough UW;Heuser JE
通讯作者: Heuser JE
DOI: 10.1083/jcb.84.3.560
发表时间: 1980-03
期刊: The Journal of cell biology
影响因子: --
作者:
Heuser J
通讯作者: Heuser J
DOI: 10.1016/s0022-2836(83)80179-x
发表时间: 1983-01-01
影响因子: 5.6
作者:
HEUSER, JE
通讯作者: HEUSER, JE
DOI: 10.1016/0022-2836(75)90170-9
发表时间: 1975-01-01
影响因子: 5.6
作者:
HILLS, GJ;PHILLIPS, JM;ROBERTS, K
通讯作者: ROBERTS, K
DOI: 10.1016/s0022-5320(72)80046-7
发表时间: 1972-01-01
期刊: JOURNAL OF ULTRASTRUCTURE RESEARCH
影响因子: --
作者:
ROBERTS, K;HILLS, GJ;GURNEYSM.M
通讯作者: GURNEYSM.M