2 - proteins

36
МОЛЕКУЛЯРНАЯ БИОЛОГИЯ СТРОЕНИЕ БЕЛКОВ

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Escherichia coli

Yersinia Pestis

? -

, ( ) - .

: - .

: , (-NH2) (-COOH)

L-D/L-

Murchinson meteorite 1969 :, ( L-) 15N, ,

14 ( 5,5 ) 14 2 , 14

: . , . . : ( - - 34,350 !)

, in cis

- - (>99,9%) - -

:

20

, , , , ( ):

, : Ser, Thr, Tyr

C :

, ,

2 , , .

D

? , ( ) .

: .

MetMLysKTrpWGlnQProP

?His-Met-Trp-Leu HMWL

N-C-

1958

? :) ,

?

- (alpha-helix)

- (beta-sheet)

: N-, C- , , ,