TITLE     Crystal Structure of I122A/I330A variant of S-adenosylmethionine
TITLE   2 synthetase from Cryptosporidium hominis in complex with ONB-SAM
TITLE   3 (2-nitro benzyme S-adenosyl-methionine)
COMPND    MOL_ID: 1;
COMPND   2 MOLECULE: S-adenosylmethionine synthase;
COMPND   3 CHAIN: A, B;
COMPND   4 EC: 2.5.1.6;
COMPND   5 ENGINEERED: YES;
COMPND   6 MOL_ID: 1;
COMPND   7 S-adenosylmethionine synthase;
COMPND   8 CHAIN: A, B;
COMPND   9 EC: 2.5.1.6;
COMPND   10 ENGINEERED: YES;
EXPDTA     X-RAY DIFFRACTION
REMARK   2 RESOLUTION.    1.87 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     ALA B   130
REMARK 465     ALA B   131
REMARK 465     GLY B   132
REMARK 465     CYS B   133
REMARK 465     VAL B   134
DBREF  6LTV A    1   406  UNP    A0A0S4TK A0A0S4TKQ5_      1    406
DBREF  6LTV B    1   406  UNP    A0A0S4TK A0A0S4TKQ5_      1    406
SEQRES   1 B  129  ASN GLN ALA ALA GLY CYS VAL HIS VAL ASP LYS ASN VAL
SEQRES   2 B  129  GLU ASP ILE GLY ALA GLY ASP GLN GLY MET MET PHE GLY
SEQRES   3 B  129  TYR ALA THR ASN GLU THR LYS GLU LEU MET PRO LEU THR
SEQRES   4 B  129  HIS VAL LEU ALA THR SER ILE THR ARG GLU LEU ASP TYR
SEQRES   5 B  129  ILE ARG MET LYS GLY VAL SER SER ARG VAL GLY TRP LEU
SEQRES   6 B  129  ARG PRO ASP GLY LYS ALA GLN VAL THR VAL GLU TYR ASN
SEQRES   7 B  129  CYS LYS HIS GLY VAL LEU ILE PRO LYS ARG ILE HIS THR
SEQRES   8 B  129  ILE LEU VAL SER VAL GLN HIS ASP GLU ASN ILE GLU ASN
SEQRES   9 B  129  GLU GLU ILE ARG GLU PHE VAL LEU GLU ASN VAL ILE LYS
SEQRES  10 B  129  LYS VAL CYS PRO SER ASP LEU MET ASP LYS GLU THR