PDB$B$H$O!!(BProtein Data Bank$B!!$NN,(B
$B!I(Bthe single worldwide repository for the processing and distribution of 3-D biological macromolecular structure data$B!I(B
$B$H8@$o$l$k$h$&$K!I@8BN9bJ,;R$N#3 $B@$3&Cf$N?M!9$,%U%j!e$NLdBj$O$"$k$,(I%%%$B!K$GMxMQ$9$k$3$H$,=PMh$k!#(B


$B$=$N%G!<%?$O(BPDB$B7A<0!JBg$-$J0UL#$G$OC1$J$k%F%-%9%H7A<0!K$H8F$P$l(B
$B!&%?%s%Q%/ $B!&%?%s%Q%/ $B!&7k>=>pJs(B
$B!&:n@.pJs(B
$B$J$I$,=q$+$l$F$$$k!#(B


PDB$BNc!!!J0lItH4?h!K(B
$B!!!!!!!!!!!!!!!!!!!!!!!!(BX$B!!!!!!!!(BY$B!!!!!!!!(BZ
ATOM 1 N VAL 1 -4.095 14.896 13.982 1.00 17.14 88
ATOM 2 CA VAL 1 -3.483 15.451 15.217 1.00 17.16 89
ATOM 3 C VAL 1 -2.562 14.402 15.817 1.00 15.95 90
ATOM 4 O VAL 1 -2.966 13.230 15.884 1.00 17.17 91

Rasmol, Molmol$B$J$I$N%U%j!<%=%U%H$d(BChem3D$B$J$I$G$b1\Mw$9$k$3$H$,$G$-!"(B
$B%?%s%Q%/e$G8+$k$3$H$,2DG=$G$"$k!#(B

$B!!%G!<%?I=<(Nc!J(B1ylz$B!'(BPDB$B%G!<%?$O%"%k%U%!%Y%C%H$H?t;z$G#4J8;z$NL>A0$,IU$1$i$l$F$$$k!#!K(B

$B6aG/!"@$3&Cf$G%G!<%?$NC_@Q$,?J$s$G$*$j!"%?%s%Q%/

$B2 X-ray$B!!(B27837$B8D(B
NMR$B!!(B 4761$B8D(B

$B;2>H!!(Bhttp://www.rcsb.org/pdb/holdings.html