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Title: PowerPoint Presentation Author: Serdyuk Last modified by: Igor Created Date: 1/15/2005 6:02:40 AM Document presentation format: Company – PowerPoint PPT presentation

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1
?????????? ????? ??? ?????????????
??? ???? ???????? ? ??? 1) ??????????
??????????? ? ?????????? ???????? 2) ??????????
??????????? ? ??????????? ????? ???????????????
2
??? ?????????? ????? ???????? ? ??? ??????????????
1. ????????? ???????? ??????????????????
????????? ? ???????? ?0 ? ?????? t ? ?????????
??????? ????????????? ???????????? ?????? ??????
?? , ?????????????? ?? ??????? ?0 2. ?
??????????? ????? ???????? ?????? ?????? ??????
????????????? ? ????????. 3. ??? ?????????
???????? ????????????? 10 ????? ???????????
??????? ????? ??????, ??? ????????? ???????? ?
???? ?? ????? ??? ?? 1, ????? ?????? 16 ??? 4.
??????????? ?????? ????????? ?????????? ??????? ?
?????? 15 ppm.
 
5. ? ????????? ???? ? ?????????????? 7.05 ? (?0
300 ?Hz ??? 1H) ???????? 15 ppm ?????????????
?????? ?????? 4.5 KHz ??? 1H. ? ????????? ????
14.1 ? ??? ?????? ???????? 9 KHz.
?0
3
?????????????? ????? ??????????????
  ????????? ?????? ??? ???????
????????? ?????? ??? ???????
 ? ?
?????
???????
4
????????????????? ????? ? ??????????? ??????????
????????
1) ??????? ?????? ? ?????????? 2) ????????
????????????? ???????. 3) ?????? ??????? ??????
?? ??????? ? ??? ??????????? 4) ?????????
????????, ???????????, ????? ??????? ?????? ?
?????????? (?????? 2-3 ?1) 5) ????????????
??????????
???????
?????? ??????? ?? ???????
????? ??????????
??????? ?????
?????????????????? ???????
????? ???????? ?????????? ???? ???????? ???????
???????????? ???? ???????? ??????? ????????????
a, (? ????????) ????? a ?
B1tp ????? ????????? 90? ???????? ????? 10-5
c. ??? 180? ???????? ??? ???????? ? 2 ???? ??????.
5
?????? ???????????
S I
????????????? ????????????? ???????
???????????  ???????? ???????? ??? ????? I ? S,
??????? ?? ?????????????, ??? ??? ?????? ?? ???
????? ???? ??????????? ??? ??????? (?). ?????
????????? ????? S ???????? ??????? ????? I ?????
??????????? (b), ??????????? (c), ?????
????????????? (d)
NOE (I I0)/I0  NOE f(rIS) f(tc)  f(rIS)
1/(2 A r6IS)
  • ?????????, ??????????? ?????? ???????????,
    ??????????, ???
  • ?????? ??????????? ? ????????? ?????????????
    ????? ? ??????? ???
  • ???????? ??????? ??????? ?? ???? ???????, ????
    ?? ??????? ?????? ? ??????????? ????? ???????, ?
    ?????? ?? ????????????? ???????????????
    ??????? ???????? tc.
  • ?????? ??????????? ?????? ??? ??????? ????????
    ??????, ?????????? ????? ???????? ?????? 5-6 Å.

6
????????? ??? ????????????? ?????????
?????????????? ??? ????????????? ?????, ???????
??????????? (?????????? ????? ?????) ??? ???????,
???????????? ????????? ????? ???????????????.
?????? ????????? ??????? 1) ????????????? 2)
???????? ??? ????????(????? t1) 3) ???????? 4)
?????????????? (????? t2)
????????? ??? ?? ???????? ????????, ???
?????????? ?? ?????? ?????? ???????? ????????
???? ??????, ? ????? ?????-?????????????? ????
??????
????? ????? ?????????? ??? ????? ?????? ? ??
??????? ???????? ????? ?????? ???????????????????,
??????????????? ??? ??????? ??? ??? ????
?????????? ?????. ????????, HMQS-HOHAHA ????
??????? ????????? ????????? ?? Heteronuclear
multiple-quantum correlation experiment
Homonuclear Hartman-Hahn spectroscopy ??????? ?
???????????? ???????? ??????? ? ??? ???????? 1)
?????????????? ????????????? (COSY), ???????
?????????????? ???? ????????, ?????????
????????? ????-???????? ???????????? 2)
?????????????? ????????????? (NOESY), ???????
?????????????? ???????? ??? ????????, ?????????
???????? ???????????
7
?????????????? ??? ????????????? (COSY)
????????? ????? (?????? ????????? ?????) 1H-1H
COSY ??????? ???? ????????? ??????. ???????
?????? ??????????? ???????????? ?????????. ??????
?????? ???????????? ???????????? ???? ????????
?????? ?????-????. ????????? ????????? ????????,
??? ??? ????? ????????. ???????, ??????, ???
?????????? ????? ???? ? COSY ?? ????????????.
?????????? ?????? ??? ??? ???? 1H-1H ??????
8
1D ? 2D ??? ??????? ?????????? ?????,
??????????? ?????????? K (57 ???????????) ? 0.01
M, pD 3.4, 25oC, 360 MHz.
????????? ????????????? COSY ???????. ??????
?????????? - ?????????????.
1D 1H ??????
??????????? ????????????? COSY ???????
????????? ????????????? COSY ??????? ????????
?????????? ??????????? ? ?????????????? ?????????
????? ????????? ?????. ?????? ???? ?? ????
??????. ???, ??????? ?????????????? ?????????????
??????? (?1 -0.9 ppm, ?2 -0.9 ppm). ????????
?????? ??????????? ???????????? ?????????.
9
Nuclear Overhauser Enhanced Spectroscopy (NOESY).
?????? ?????????????????? ????????? ? NOESY.
????? ????????????? ????????? ????? ???????,
?????????? ?? ???? ??????????? ????? (?, B, C, D
? E). ????????? ???? ?????-????? ???????????????,
??? ?????????, ??????????????? ???? ?????
???????? ? ???????????? (? ? C, B ? D, B ? ?).
????????? ????? ?????????? ?????????? NOE ???????
??????? ???????????? ???????????????? ??????????
(360 MHz, ???????????? ????? 0.02 ?, pH 3.8). ??
????? ?????????? ????????? ?????-???????????
?????, ?????????? ???????????? ? ????????????
????????? ???????????. ???????????? ??????????
(Aalanine, Tthreonine, Ccysteine, Qglutamine,
Fphenylalanine). A?????? ?????? Glu 31 (?? ?????
Q31NH) ???????????? ? a-???????? Cys 30 (?? ?????
C30 a-H), a?????? ?????? Phe 33 (?? ????? F33NH)
???????????? ? a-???????? ?hr 32 (?? ????? ?32
a-H)
10
???????????, ????- ? ?????????????? ???
2D-??? ??? ??????? 3D-??? ??? ??????? 4D-???
?????? ???????
??????????? ????? ???????????????????? ?????????
??? ?????? 2D, 3D, 4D ???. ?????????? P-
?????????? ?-???????? M-????????
D-??????????????
2D NMR Pa?Ea(t1)?Ma?Da(t2) 3D NMR
Pa?Ea(t1)?Ma?Eb(t2)?Mb?Db(t3) 4D NMR
Pa?Ea(t1)?Ma?Eb(t2)?Mb?Ec(t3)?Mc?Dc(t4)
  • 3D ????????????? ??? ??????????? ??????????????
    ?? ?.Coli. ????? ???????? 15N
  •  (B) ????????? ?????? (b), ??? ??????? ???
    ????? ??????? (?).
  • ??????????? ??????
  • ??????? ?????????
  • ????????????
  • (?? ????? ???????
  • ?? 60 ?????)

A
B
11
(No Transcript)
12
??? ???????????? ? ??????? ????????? ??
?????????????????? ????? ?????? ???????? ????????
????? ??? ? ???????? ? ??? ? ??????? ???? ????? ?
??????????? ???????. ? ???????? ????? ??? ?????
(?????????? ??????????), ????? ??? ? ???????
????????? ????? ??????? ? ??? ????????? ?????
?????? ????????????? (???????????? ??????????).
??????? ?????????? ???????? ?????? (3cos2?
1), ??? ? ???? ????? ???????????? ?????????? ????
Bo ? ???? ???????? ???????.
??????? ???? ?? ??????? ??????? ????????? ???????
? ??????? ????????? ??? ????? 54.74? (??? ????
?????? ?????????? ?????????? ? ????, cos2?
1/3), ?? ?????????? ?????????? ??? ?? ??????????
? ????? ?????? ????????
13C ??? ?????? ???????????? (??????) ?
??????????? ?????????.
??? ?? ?????? ??? ???????? ??????? ??? ???
?????????? '?????????? ?????' ? ???????? 2.0 kHz.
??? ?? ?????? ??? ???????? ??????? ??? ???
?????????? '?????????? ?????' ? ???????? 7.2 kHz.
? ????????? ????? ????? ????????? ? ??????
???????????? ???????? ? ???? ??? ?????????
??????? ??????????? ? ????????? ???????
?????????? ???????? ?????? ? ???????
???????????????? ???????????.
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