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 G   41   250  UNP    P30793   GCH1_HUMAN      41    250
DBREF  6Z86 H   41   250  UNP    P30793   GCH1_HUMAN      41    250
DBREF  6Z86 K   41   250  UNP    P30793   GCH1_HUMAN      41    250
SEQRES   1 G  193  PRO ARG SER GLU GLU ASP ASN GLU LEU ASN LEU PRO ASN
SEQRES   2 G  193  LEU ALA ALA ALA TYR SER SER ILE LEU SER SER LEU GLY
SEQRES   3 G  193  GLU ASN PRO GLN ARG GLN GLY LEU LEU LYS THR PRO TRP
SEQRES   4 G  193  ARG ALA ALA SER ALA MET GLN PHE PHE THR LYS GLY TYR
SEQRES   5 G  193  GLN GLU THR ILE SER ASP VAL LEU ASN ASP ALA ILE PHE
SEQRES   6 G  193  ASP GLU ASP HIS ASP GLU MET VAL ILE VAL LYS ASP ILE
SEQRES   7 G  193  ASP MET PHE SER MET CYS GLU HIS HIS LEU VAL PRO PHE
SEQRES   8 G  193  VAL GLY LYS VAL HIS ILE GLY TYR LEU PRO ASN LYS GLN
SEQRES   9 G  193  VAL LEU GLY LEU SER LYS LEU ALA ARG ILE VAL GLU ILE
SEQRES  10 G  193  TYR SER ARG ARG LEU GLN VAL GLN GLU ARG LEU THR LYS
SEQRES  11 G  193  GLN ILE ALA VAL ALA ILE THR GLU ALA LEU ARG PRO ALA
SEQRES  12 G  193  GLY VAL GLY VAL VAL VAL GLU ALA THR HIS MET CYS MET
SEQRES  13 G  193  VAL MET ARG GLY VAL GLN LYS MET ASN SER LYS THR VAL
SEQRES  14 G  193  THR SER THR MET LEU GLY VAL PHE ARG GLU ASP PRO LYS
SEQRES  15 G  193  THR ARG GLU GLU PHE LEU THR LEU ILE ARG SER