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" -- -- -- -- -- ", ,

6.

1. - VIII (Nei) . coli:

() Glu2 Arg252 , , .

, , , .

, Lys52, Asnl68 Arg252 , Gln69, Leu70 71 , Prol Glu2 , Arg 173 Gln261 , Arg212 .

, Nei , .

, Nei , . , , , .

2. - -- (Fpg) . coli:

, .

(, 8-, 8-, 4,6--5-, 2,4--6--1,6--5-) , , .

, Lys56, Asnl68 Arg258 , Met73, Argl08 PhellO , Prol Glu2 , His89, Arg 108 Arg 109 , Lys217 .

, Fpg , .

2- , Fpg , . , , , . , PhellO, , Met73 Arg 108 .

3. - , Fpg Nei -NEIL1, NEIL2, NEIL3. NEIL1, , . Fpg, Nei . Fpg/Nei -, III (Nth) --, , .

4. Fpg Nei . coli, NEIL1 8--- (OGG1).

, .

, Fpg Nei .

- Fpg, OGG1 NEIL1 , .

5. PC Nth V 4 , . - -, - Nth Fpg/Nei.

6. OGG1 Cd, . , , Cd2+ - .

7. -, OGG1 , , . , OGG1, - NEIL2 - .

5.

, -, . (), - , - , . - .

(, ) , , (, , ) . VIII . coli (Nei) , , -- . coli (Fpg) V 4 (DenV) . -. Nei, , . , . Fpg Nei - , , (ß-, , ), . Fpg Nei - .

, Fpg Nei, , , - . , , ; Fpg , . -, , . , - , , . , . , , , -, - , . , (, -).

, Fpg Nei. (NEIL1-NEIL3) , (). , NEIL1 , . , , . ; , NEIL , .

- , 8--- (01). , , , <12+. , 0001 . 0001, - 1 - . , .

, . , . , , 3. . , Fpg, - , . , , -. -, . , - , . , , , - 0001 . , - .

1. uvrABC.

(excision repair), , . . (Base Excision Repair BER), , . , .

1'- (. 9.24). - ( / ), , 5'- . , .

-? ( ), 3'- . . - . , 5- , 5'- , 3'-.

(Nucleotide Excision Repair NER)? , , ( , ..). E. coli uvrABC (uvr ultra violet repair). uvrB uvrA (. 9.25). - uvrB, uvrA. uvr. : uvr 5'- ( . 9.25); uvrB? .

12 ( 13 ) . uvrD , . , - , .

 

, , 2008

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