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微生物 NAD キナ の構造と機能に関する研究 受 受賞者講演要旨 《農芸
b¸S¹º» ¼½R¸ $ 23 NAD NAD(H) [NADῌ NADH] !"#$%&'( )*+,-. gomonas sp. A1 ( <&Z< !`;t~ Methanococcus jannaschii( 9 !: Saccharomyces cerevisiae( ; NADῌ /0)1234 ADP 456$789:; < NADK +=K* NADK /,+x/7 <=>$?@ABCB?DE,-. F $>?h4;apb NAD(H) G4;AH- NADP(H) [NADPῌ NADPH] h. ,?i ῌ{|}3Rt~<&Z< NADK @ R?@Ko ?I J ?-+KL1L?-. NADP(H) Pn ATP K NAD (H) K 4 ; , - Pn/ATP- !M( 79: NAD(H) Z [ & \ [NAD (H) K] V W - X ῍ N9OPQE,-. NADK ATP K NAD(H) K4;,- ATP- NAD(H) NADP(H) ?RS+T* NAD(H)K VW-X ῎{|}Rt~ NADK ATP OP NAD(H)/NADP(H) UQRVW-. X K NADῌ K4;,- ATP-NADK VW UQY?-G NAD Z[&\ (NADK) NADP(H) -XKh 4;b ]^9]_`&\ [NADP(H)ase] VW-. NADK 4;a @ NADK NAD (H) K KB,- ! 1(. OD [ATP 7344; (Pn)] K4;b NADῌ E. coli NADK(YfjB) GCD NADP(H) V<9 ῌ @ RT*KA,- K4; NADP KM,-. NADP(H)ase NADP(H) 4EKb-X )12: NADK FGG K NAD (H) c 4 ; , -. ATP d NADK RK,X?@D t)* NAD(H)ῌNADP(H) UQ 1950 ! Pn d NADK 1980 !eHfH"gA +xe+K,-L V?zH%gK H*h. O NADP(H) RDOOiPj k#l h. AP NADK F¡x/<|¢;;:1IIJK Kmn o?p$l%gGJ £ A )12 B Kg*¤h. XHP¥ NADK x/ PH*?Oqh. NADP(H)ase E er,P& p$lK"LA¦-z1%g?q VWqh. *-. '1I NADK NADP(H)ase k#lGsn ?) Pn §$:4;G4;"9$MV¨M (AH t)* NAD(H)/NADP(H) +,-?.uv h©"#$%&MVW-. ATP ª-O«¬ EwK x/)12$ly0OP,-z1 V M (ADP) G®?* !ATP K*h¯M Go2AHh. N+ ADP G®-(. eXV ~ Pn/ATP- 1. NADK !" {|}3Rt~ Micrococcus flavus 1I Pn ATP NADK(Ppnk) Pn K*h©°D NADPῌ «¬?+ OK±² ³)- Pn "#$%&a K,- Pn/ATP-NADK K$4 e<056 PRKsnh. 7Kz sn NADK k#l(h. XH1 2. I 0}56%8t~ )12<&Z< NADP(H)ase Q@ ? NADP(H)ase ´RK,<$µ4]^9]_ NADK (?P2 NADK x/ p $l `&\?@%PH*hG NADP(H) 4; G?qh. 1 I NAD(H)/NADP(H) U Q O O i - ¶ · Bj ,-?9 {|}3Rt~ ! ~ Mycobacterium tuberculosis( {|}Rt~ !Escherichia coli, Sphin- NADP(H)ase &VWqh. ' ) * < & Z < M. jannaschii ; < NADK # 1 ,-?9;< NADK /,+x/4;apb @ R 24 ºn²FG» 5\¼½, 3 Ppnk + NADῌ 0a ¸· qwxIfyz$ Asp189, Gly187 ^¹ Arg187 =H_ >?@nopqr=#$$ *+l|3}& ~Ja+If49g NADK 2 Ppnk +0-Q ^B-_ T.¶l· AῌA῍U> BῌB῍AB-+nopqrs+ ³$ NAD(H)K +b456-|)`1:Q,d[ T"#$ && a|K|=7R& NADK =6 *>& ~Ja+L >MNIf4 NADῌ (MJ0917) NADK +|)1:)' $ U& O +P& (IMPase) ~Ja+ Gly U>vIf4+ 1 If4H=7 !"#$ %& IMPase NADP(H)ase NADK <; NAD(H)K +K=$ W+( '()*& MJ0917 +,-)./01& <;& NADK =6 NADῌ 0a+eb456 IMPase & IMPase 2)"3 4++& 5 -|==:& AB-CnopqrstuD+, NADP(H)ase 678 -1,6-9 ) =& NADK QB-Q)& :3cDR (FBPase) 2): ;<=3/$ MJ 0917 >& B-+ NADK ;H3 )$ NADPῌ +- ':2)4? NF& Pn SD,Q- +T<;& Pn/ATP-NADK U @NADK NADP(H)aseA <;3& = Pn SDViLWXY#$ Pn/ATP- wJ NADῌ/NADPῌ )BCD'E+FG)H +] ^ wb4+-_ +0-Q * )$ ";=& +IJI+KL )`1& Pn 0a+Q Pn SD,Q ^X!Y]SD, >& NADK M IMPase MN Q_ ) ;<=$ 36& XY#$ wJ)Z OP+Q)/*6R& IMPaseNADP(H) +#$JJ>Uk ^ w+b4F_ ) +S!)T$ U& "+IJI IMPase Z[:& %\+N<Q+] U+}& %J M. jannaschii # $ MJ 0109 Archaeoglobus +Q^F+S+_`>ab+/$ XY#$ fulgidus #$ AF2372 4& IMPase FBPase %2+V<= Pn/ATP- wJ+0-Q)c}* ;<=& % NADP(H)ase 2):)&'$ W+(>& )* J+Q+S)c}*&'& %J+Q XY)Z++ IMPase NADPase ' ^F=<<cde+ab=`f)?$ ,3[4T$ 3. NADK Pn O >& ghG ^_ijG kijlSDm6 ῌ 0ZY Pn/ATP-NADK(Ppnk) +I\]] ^NAD +-_ + X .0/Q ^0-Q_ )`1 ^2 2_& ῌ 78ghGhGnG io+Gp+,K Gm=6 *.c#4+$ qrst& uv) NAD 0a+3XQb456-78=<<cQ ! ,d)-$ NADῌ 0a+e=<<cIf :$ U& O =S*stC!" UghGhG 49g>& :h*+ NADK =B:=;"#*6R& N<Q {w O |z& Q-=6 *st ghGhGw xyuz= U +Iij<; ;<=; A 678 B = }RUghGhGkD~Gpw z =k* $ U& ]+-=7R& Iij+ =6 U:$ O =¡ !mU\y l<;>1m3 ; NE/D short motif ) ! ¢& & G£& ¤¥+¦U \+§= $ #;+;9g+>& =& Asp189 >?@nop U:$ ¨e=cR©) !mUª ghG qr#$R ^2 3_& Ppnk +AB- ^AῌA῍U> BῌB῍: w ^« ¬0hGw_ ®z& ghGhG 2 2_ C+nopqrstuD=SE$ NF& Gly187 w O¯Az= U:$ °±=3RU& O >& NADK NAD(H)K =6 *=;"#*6R =C!" UOn²FG³Sd+N @NADK, Arg; NAD(H)K, Gly U>vIf4A& ?@no z ^ghGhGw_ 3;8=w´µ¢+z pqr+ NADῌ ^=qwxIfyz_ 0a+{G= F=C6 U:$ ῌ aHI ^2 3_$ NAD NADH qwxIfyz=6