COMPND    MOL_ID: 1;
COMPND   2 MOLECULE: GTP cyclohydrolase 1;
COMPND   3 CHAIN: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T;
COMPND   4 EC: 3.5.4.16;
COMPND   5 ENGINEERED: YES;
COMPND   6 MOL_ID: 1;
COMPND   7 GTP cyclohydrolase 1;
COMPND   8 CHAIN: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T;
COMPND   9 EC: 3.5.4.16;
COMPND   10 ENGINEERED: YES;
COMPND   11 MOL_ID: 1;
COMPND   12 GTP cyclohydrolase 1;
COMPND   13 CHAIN: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T;
COMPND   14 EC: 3.5.4.16;
COMPND   15 ENGINEERED: YES;
EXPDTA     X-RAY DIFFRACTION
REMARK   2 RESOLUTION.    2.21 ANGSTORMS
DBREF  6Z86 F   41   250  UNP    P30793   GCH1_HUMAN      41    250
DBREF  6Z86 H   41   250  UNP    P30793   GCH1_HUMAN      41    250
DBREF  6Z86 J   41   250  UNP    P30793   GCH1_HUMAN      41    250
SEQRES   1 H  192  ARG SER GLU GLU ASP ASN GLU LEU ASN LEU PRO ASN LEU
SEQRES   2 H  192  ALA ALA ALA TYR SER SER ILE LEU SER SER LEU GLY GLU
SEQRES   3 H  192  ASN PRO GLN ARG GLN GLY LEU LEU LYS THR PRO TRP ARG
SEQRES   4 H  192  ALA ALA SER ALA MET GLN PHE PHE THR LYS GLY TYR GLN
SEQRES   5 H  192  GLU THR ILE SER ASP VAL LEU ASN ASP ALA ILE PHE ASP
SEQRES   6 H  192  GLU ASP HIS ASP GLU MET VAL ILE VAL LYS ASP ILE ASP
SEQRES   7 H  192  MET PHE SER MET CYS GLU HIS HIS LEU VAL PRO PHE VAL
SEQRES   8 H  192  GLY LYS VAL HIS ILE GLY TYR LEU PRO ASN LYS GLN VAL
SEQRES   9 H  192  LEU GLY LEU SER LYS LEU ALA ARG ILE VAL GLU ILE TYR
SEQRES  10 H  192  SER ARG ARG LEU GLN VAL GLN GLU ARG LEU THR LYS GLN
SEQRES  11 H  192  ILE ALA VAL ALA ILE THR GLU ALA LEU ARG PRO ALA GLY
SEQRES  12 H  192  VAL GLY VAL VAL VAL GLU ALA THR HIS MET CYS MET VAL
SEQRES  13 H  192  MET ARG GLY VAL GLN LYS MET ASN SER LYS THR VAL THR
SEQRES  14 H  192  SER THR MET LEU GLY VAL PHE ARG GLU ASP PRO LYS THR
SEQRES  15 H  192  ARG GLU GLU PHE LEU THR LEU ILE ARG SER