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Jack bean



A leguminous plant native to South America, identifiable by its edible large white seeds in a long pod, pink-purple flowers, and spread through long runners.


The plant is grown especially for forage. It is also an important source of concanavalin A and urease.

Scientific name: Canavalia plagiosperma

Other common names:

  • Wonder bean
  • Pearson bean
  • giant stock bean

See also: lectin, concanavalin A.

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Re: possible tfamily trees from four animals

Thank you Jack-Bean for your reply. I was trying different approaches to figure out the fifteen possible trees - with no knowledge ...

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by ksharpe212
Tue Sep 10, 2013 4:01 pm
Forum: Evolution
Topic: possible tfamily trees from four animals
Replies: 7
Views: 1409

Re: Living in the Past

hi Xaphan I agree with Jack Bean. It isn't long enough to have led to the belief in a sixth sense. But lots of animals have much better ...

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by animartco
Wed Aug 07, 2013 12:31 pm
Forum: General Discussion
Topic: Living in the Past
Replies: 2
Views: 664

Re: The same old silly question about molarities

Well Jack bean... I was waiting with anticipation for your reply actually but not kind of that reply.. very elaborative :P ...

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by bravebeaker
Wed Jan 09, 2013 7:22 am
Forum: Molecular Biology
Topic: The same old silly question about molarities
Replies: 3
Views: 1253

overexpression xylanase gene

thank you mr jack bean. i'm thinking about using pRSET vector for overexpression. and spread plate of LB + amp to select the transformants. ...

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by nekonara
Fri Dec 14, 2012 7:50 am
Forum: Molecular Biology
Topic: overexpression xylanase gene
Replies: 2
Views: 1222


... cut your vector more times. But yes, I would expect that. I agree with Jack Bean. If you're not careful, you will end up with your gene of interest in the wrong spot. ...

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by daniel.kurz
Mon Oct 24, 2011 2:49 am
Forum: Molecular Biology
Topic: GFP
Replies: 7
Views: 1937
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