CORRECTIONS
2786
Kinetic Studies of ADP Reactions with t h e Temperature Jump Method-Corrections BY
h f A N P R E D EIC;EhTAND
GORDON G. HAMMES’
The original communication2 concerning kinetic studies of A D P reactions contained several printing errors in the tables of rate constants. In order to rectify this matter, the tables are reprinted correctly here. The definitions of the various rate constants are contained in the original publication.
Vol. 83
In line 6 , for “have” read “has.” I n line ZJ, for “(X-XII)” read “ ( X - X I ) . ” I n line 34, delete “ ( R = -SCHa).” In col. 2, line : S i , for “tleriv~ttions” read “derivatives.” I n the last line, delete
“9.’> Page ( i O i j 0 : I n col. 1, lormulas XlI’c ant1 X\s’J should be
TABLE I kij.1O-a >\.I-’h i . l O - ‘ sec. -1 sec. -1
J,si,lO-:
.w-’
Reactants
+ PR
sec. -1
ksa.lO-1@
M-1 kdkp4“
sec. - 1
3 4 3.0 21 7 0.06 A4DP CPK 20 1 1.9 2.3 0.53 ATP f PK 4.8 7 0.06 3.0 15 ATP CPR 20 0.8 1 9 2.3 0.39 (’Deterrnitied from the equilibrium constarits of ,4DP, .‘ITP3 and the indicators (measured by pH- arid spcctrophot mietric tit rat ion ’I, *\UP
+ +
In line F, for “were’ read “ 1 ~ 5 I n col. 2, the formula T h e formula to the right of X X I I I should be under X X I should be
TABLE I1 kulO-J Reactants
kIg++ + A D P Mg-+ ATP C a + + f ADP c a + + ATP
+ +
sec.
-1
2.5 1.2 >400 >250
kri. 10 -7 iw10 .n .If-: k z t ~ l O ~1 L~ P ’ k?i/k1aY k n i l l l n r ’ sec. - 1 sec. -1 sec. -1 .W-1 M-1
0.3 1.2 >25 >io0
3 3
... ...
1 3 ,
..
...
103.1
101.5
Page G O G 1 :
102,” 102.8 . . io36
111
col 1, tlie loriiiulds slioultl be
a &
i01-fi
(1) D e p a r t m e n t of C h e m i s t r y , Rlassachusetts I n s l i t u t e of Techiiology, Cambridge, Massachusetts. ( 2 ) >I. Eigen a n d G. G. H a m m c s , J . A i n . Cheiii. Sor., 82, 3951
(I!EO). ( 8 ) A. E. YIarteII and G. S c h a a r z e n b a c h , Helv. C/ii.n. R ; i i i . 39, Q.j.3 (IS.jli!.
Max PLAXCK INSTITUT FUR PHYSIKALISCHE C ~ m m G U E T T I N G E X , GERMANY RECEIVED APRIL1, 1961 ~~
~~
A Facile Pyrimidine Ring Cleavage : Corrections Ur- EULVARD C. TAYLOR, ROBERT J. LNOPF, J. -4. COGLIASO, J. W. BARTONA N D WOLFGASCPFLEIDERER
’The text of this article as it appears in Tins 82, (iO38.:( 1XiO) was not seen in proof by the author before printing, and hence contains a number of errors which are corrected herein : tlic author’s reprints h a r e been printed from the correctcd forin. Page (XES: I n the list of authors, for “I’leitferer” read “Pfleiderer.” I n col. 1, line 21, for “4-allyl” read “4-alkyl ” Page (XL59: 111 col JOURNAL,
~
SXV 0
I’agc ( M 2 : 111 col. 1, liiic ;jlj, for “ref. 7” r e a 1 “ref. 17.” 111 footnote (?I), for “ AZauiitncr” read “llautiier.” 111 col. 2 , line 17, for “pryiinidinc” read “pyriniidiiic.*’ 111 line 3:3, for “,50 g.” r e d Til liiie “50 g.” I n line 39, for ‘‘15’’rcnd “150,” 46,for “forin” read “froin.” F K I C K CHEMICAL T , A B U R A r O R Y
PRINCETOS UNIVERSITY PRISCETOS, K, J
K E C l l I \ . t s l > J.4NUARY
20, I?((;]
