Proteins (Jenny)

7/24/2019 Proteins (Jenny)

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PREPARED BY: JENNY , HAZIERAH & SYAHIRAHPROTEINS


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State the elements in proteins

State the ario!s str!"t!re o# proteins

E$plain the #ormation an% rea'%o(n o#

%ipepti%es an% pol)pepti%eE$plain the meanin* o# essential amino a"i%

an% non amino a"i%s

+EARNIN O-T.O/E & OBJE.TI0E


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Protein are lar*e "omple$ or*ani" mole"!les(hi"h pla) %ierse roles in liin* or*anisms

Protein ma%e !p o# s!"h element as "aron,

h)%ro*en,o$)*en,nitro*en,s!lph!r an%phosphor!s1

Intro%!"tion


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Protein so!r"e:

e**,

meat,mil',)o*h!rt an% et"

E$ample


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Primar) str!"t!re

Se"on%ar) str!"t!re

alpha2heli$

eta2pleate% sheettertiar) str!"t!re

3!arternar) str!"t!re

Protein str!"t!re


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The linear se4!en"e o# amino a"i% inpol)pepti%e "hain

a5 Primar) str!"t!re


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i1 alpha2heli$

2 6D arran*ement o# amino a"i%s (ith thepol)pepti%e "hain in a "or' s"re( shape

ii1 Beta 7 pleate% sheet2 Pol)pepti%es "hain are arran*e% si%e ) si%e

B5 Se"on%ar) str!"t!re


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The oerall three %imensional shape o# apol)pepti%e "hain

"5 Tertiar) str!"t!re


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The "omination o# 8 or more tertiar)pol)pepti%es that ma'es !p a protein

%5 3!artenar) str!"t!re


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There hae 8 t)pe o# amino a"i%s:

I1 essential amino a"i%

II1 Non essential amino a"i%

. Essential amino acids are amino a"i%sthat "annot e s)nthesise% ) theo%)1E$ample le!"ine

. Non essential amino a"i% are amino a"i%s

that "an e s)nthesi9e% ) the o%)1 Thereare 7non essential amino a"i%s1E$ample : alanine

Amino a"i%s

Proteins (Jenny)

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