COMPND    MOL_ID: 1;
COMPND   2 MOLECULE: GTPase KRas;
COMPND   3 CHAIN: A, B, C, D;
COMPND   4 EC: 3.6.5.2;
COMPND   5 ENGINEERED: YES;
COMPND   6 MOL_ID: 1;
COMPND   7 GTPase KRas;
COMPND   8 CHAIN: A, B, C, D;
COMPND   9 EC: 3.6.5.2;
COMPND   10 ENGINEERED: YES;
EXPDTA     X-RAY DIFFRACTION
REMARK   2 RESOLUTION.    1.57 ANGSTORMS
REMARK 465 MISSING RESIDUES                                                    
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                      
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN              
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)               
REMARK 465
REMARK 465   M RES C SSSEQI  
REMARK 465     GLU C    63
REMARK 465     GLU C    64
REMARK 465     TYR C    65
REMARK 465     SER C    66
REMARK 465     ALA C    67
DBREF  7ACA A    1   169  UNP    P01116   RASK_HUMAN       1    169
DBREF  7ACA C    1   169  UNP    P01116   RASK_HUMAN       1    169
SEQRES   1 C  167  MET THR GLU TYR LYS LEU VAL VAL VAL GLY ALA ASP GLY
SEQRES   2 C  167  VAL GLY LYS SER ALA LEU THR ILE GLN LEU ILE GLN ASN
SEQRES   3 C  167  HIS PHE VAL ASP GLU TYR ASP PRO THR ILE GLU ASP SER
SEQRES   4 C  167  TYR ARG LYS GLN VAL VAL ILE ASP GLY GLU THR CYS LEU
SEQRES   5 C  167  LEU ASP ILE LEU ASP THR ALA GLY GLN GLU GLU TYR SER
SEQRES   6 C  167  ALA MET ARG ASP GLN TYR MET ARG THR GLY GLU GLY PHE
SEQRES   7 C  167  LEU CYS VAL PHE ALA ILE ASN ASN THR LYS SER PHE GLU
SEQRES   8 C  167  ASP ILE HIS HIS TYR ARG GLU GLN ILE LYS ARG VAL LYS
SEQRES   9 C  167  ASP SER GLU ASP VAL PRO MET VAL LEU VAL GLY ASN LYS
SEQRES  10 C  167  CYS ASP LEU PRO SER ARG THR VAL ASP THR LYS GLN ALA
SEQRES  11 C  167  GLN ASP LEU ALA ARG SER TYR GLY ILE PRO PHE ILE GLU
SEQRES  12 C  167  THR SER ALA LYS THR ARG GLN GLY VAL ASP ASP ALA PHE
SEQRES  13 C  167  TYR THR LEU VAL ARG GLU ILE ARG LYS HIS LYS