HEADER    HYDROLASE                               09-AUG-94   1XYO      1XYO   2
COMPND    MOLECULE: ENDO-1,4-BETA-XYLANASE II;                          1XYO   3
COMPND   2 SYNONYM: XYNII;                                              1XYO   4
COMPND   3 EC: 3.2.1.8;                                                 1XYO   5
COMPND   4 OTHER_DETAILS: PH 4.5                                        1XYO   6
SOURCE    ORGANISM_SCIENTIFIC: TRICHODERMA REESEI;                      1XYO   7
SOURCE   2 STRAIN: RUT-C30                                              1XYO   8
KEYWDS    XYLANASE                                                      1XYO   9
EXPDTA    X-RAY DIFFRACTION                                             1XYO  10
AUTHOR    J.ROUVINEN,A.TORRONEN                                         1XYO  11
REVDAT   1   08-AUG-95 1XYO    0                                        1XYO  12
JRNL        AUTH   A.TORRONEN,J.ROUVINEN                                1XYO  13
JRNL        TITL   STRUCTURAL COMPARISON OF TWO MAJOR                   1XYO  14
JRNL        TITL 2 ENDO-1,4-BETA-XYLANASES FROM TRICHODREMA REESEI      1XYO  15
JRNL        REF    BIOCHEMISTRY                  V.  34   847 1995      1XYO  16
JRNL        REFN   ASTM BICHAW  US ISSN 0006-2960                 0033  1XYO  17
REMARK   1                                                              1XYO  18
REMARK   1 REFERENCE 1                                                  1XYO  19
REMARK   1  AUTH   A.TORRONEN,A.HARKKI,J.ROUVINEN                       1XYO  20
REMARK   1  TITL   THREE-DIMENSIONAL STRUCTURE OF                       1XYO  21
REMARK   1  TITL 2 ENDO-1,4-BETA-XYLANASE II FROM TRICHODERMA REESEI:   1XYO  22
REMARK   1  TITL 3 TWO CONFORMATIONAL STATES IN THE ACTIVE SITE         1XYO  23
REMARK   1  REF    EMBO J.                       V.  13  2493 1994      1XYO  24
REMARK   1  REFN   ASTM EMJODG  UK ISSN 0261-4189                 0897  1XYO  25
REMARK   2                                                              1XYO  26
REMARK   2 RESOLUTION. 1.5  ANGSTROMS.                                  1XYO  27
REMARK   3                                                              1XYO  28
REMARK   3 REFINEMENT.                                                  1XYO  29
REMARK   3   PROGRAM                    X-PLOR                          1XYO  30
REMARK   3   AUTHORS                    BRUNGER                         1XYO  31
REMARK   3   R VALUE                    0.190                           1XYO  32
REMARK   3   MEAN B VALUE               17.81  ANGSTROMS**2             1XYO  33
REMARK   3   RMSD BOND DISTANCES        0.008  ANGSTROMS                1XYO  34
REMARK   3   RMSD BOND ANGLES           1.6    DEGREES                  1XYO  35
REMARK   3   RMSD IMPROPER ANGLES       1.2    DEGREES                  1XYO  36
REMARK   3                                                              1XYO  37
REMARK   3   NUMBER OF REFLECTIONS      40728                           1XYO  38
REMARK   3   RESOLUTION RANGE       1.5 - 8.0  ANGSTROMS                1XYO  39
REMARK   3   DATA CUTOFF                1.     SIGMA(F)                 1XYO  40
REMARK   3                                                              1XYO  41
REMARK   3  DATA COLLECTION.                                            1XYO  42
REMARK   3   NUMBER OF UNIQUE REFLECTIONS      41141                    1XYO  43
REMARK   3   COMPLETENESS OF DATA              68.    %                 1XYO  44
REMARK   3   REJECTION CRITERIA                1.     SIGMA(F)          1XYO  45
REMARK   3                                                              1XYO  46
REMARK   3  NUMBER OF ATOMS USED IN REFINEMENT.                         1XYO  47
REMARK   3   NUMBER OF PROTEIN ATOMS                       3960         1XYO  48
REMARK   3   NUMBER OF NUCLEIC ACID ATOMS                     0         1XYO  49
REMARK   3   NUMBER OF HETEROGEN ATOMS                        0         1XYO  50
REMARK   3   NUMBER OF SOLVENT ATOMS                        271         1XYO  51
REMARK   4                                                              1XYO  52
REMARK   4 SOLVENT ATOMS ARE REPRESENTED IN ONE SECTION WITHOUT         1XYO  53
REMARK   4 ASSIGNMENT TO THE *A* OR *B* CHAIN.                          1XYO  54
REMARK   5                                                              1XYO  55
REMARK   5 MTRIX                                                        1XYO  56
REMARK   5  THE TRANSFORMATIONS PRESENTED ON MTRIX RECORDS BELOW        1XYO  57
REMARK   5  DESCRIBE NON-CRYSTALLOGRAPHIC RELATIONSHIPS AMONG THE       1XYO  58
REMARK   5  VARIOUS DOMAINS IN THIS ENTRY.  APPLYING THE APPROPRIATE    1XYO  59
REMARK   5  MTRIX TRANSFORMATION TO THE RESIDUES LISTED FIRST WILL      1XYO  60
REMARK   5  YIELD APPROXIMATE COORDINATES FOR THE RESIDUES LISTED       1XYO  61
REMARK   5  SECOND.                                                     1XYO  62
REMARK   5                                                              1XYO  63
REMARK   5            APPLIED TO           TRANSFORMED TO               1XYO  64
REMARK   5  MTRIX      RESIDUES               RESIDUES         RMSD     1XYO  65
REMARK   5    M1   A    1  ..  A  190     B    1  ..  B  190   0.245    1XYO  66
REMARK   6                                                              1XYO  67
REMARK   6 THE FOLLOWING SOLVENT MOLECULES LIE FARTHER THAN EXPECTED    1XYO  68
REMARK   6 FROM THE PROTEIN OR NUCLEIC ACID MOLECULE AND MAY BE         1XYO  69
REMARK   6 ASSOCIATED WITH A SYMMETRY RELATED MOLECULE (M=MODEL         1XYO  70
REMARK   6 NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE  1XYO  71
REMARK   6 NUMBER; I=INSERTION CODE):                                   1XYO  72
REMARK   6                                                              1XYO  73
REMARK   6  M RES CSSEQI                                                1XYO  74
REMARK   6  0 HOH    567      DISTANCE =  5.84 ANGSTROMS                1XYO  75
REMARK   6  0 HOH    686      DISTANCE =  6.52 ANGSTROMS                1XYO  76
REMARK   6  0 HOH    690      DISTANCE =  5.51 ANGSTROMS                1XYO  77
REMARK  18                                                              1XYO  78
REMARK  18 EXPERIMENTAL DETAILS.                                        1XYO  79
REMARK  18  DATE OF DATA COLLECTION        : 10-JUL-94                  1XYO  80
REMARK  18  MONOCHROMATIC (Y/N)            : Y                          1XYO  81
REMARK  18  LAUE (Y/N)                     : N                          1XYO  82
REMARK  18  WAVELENGTH OR RANGE (A)        : 1.54                       1XYO  83
REMARK  18  DETECTOR TYPE                  : R-AXIS IIC                 1XYO  84
REMARK  18  DATA REDUNDANCY                : 1.9                        1XYO  85
REMARK  18  MERGING R VALUE (INTENSITY)    : 0.0778                     1XYO  86
REMARK  19                                                              1XYO  87
REMARK  19 SOLVENT CONTENT (VS)      : 45.0 %                           1XYO  88
REMARK 999                                                              1XYO  89
REMARK 999 CROSS REFERENCE TO SEQUENCE DATABASE                         1XYO  90
REMARK 999 SWISS-PROT ENTRY NAME       PDB ENTRY CHAIN NAME             1XYO  91
REMARK 999    XYN2_TRIRE                                                1XYO  92
SEQRES   1 A  190  PCA THR ILE GLN PRO GLY THR GLY TYR ASN ASN GLY TYR  1XYO  93
SEQRES   2 A  190  PHE TYR SER TYR TRP ASN ASP GLY HIS GLY GLY VAL THR  1XYO  94
SEQRES   3 A  190  TYR THR ASN GLY PRO GLY GLY GLN PHE SER VAL ASN TRP  1XYO  95
SEQRES   4 A  190  SER ASN SER GLY ASN PHE VAL GLY GLY LYS GLY TRP GLN  1XYO  96
SEQRES   5 A  190  PRO GLY THR LYS ASN LYS VAL ILE ASN PHE SER GLY SER  1XYO  97
SEQRES   6 A  190  TYR ASN PRO ASN GLY ASN SER TYR LEU SER VAL TYR GLY  1XYO  98
SEQRES   7 A  190  TRP SER ARG ASN PRO LEU ILE GLU TYR TYR ILE VAL GLU  1XYO  99
SEQRES   8 A  190  ASN PHE GLY THR TYR ASN PRO SER THR GLY ALA THR LYS  1XYO 100
SEQRES   9 A  190  LEU GLY GLU VAL THR SER ASP GLY SER VAL TYR ASP ILE  1XYO 101
SEQRES  10 A  190  TYR ARG THR GLN ARG VAL ASN GLN PRO SER ILE ILE GLY  1XYO 102
SEQRES  11 A  190  THR ALA THR PHE TYR GLN TYR TRP SER VAL ARG ARG ASN  1XYO 103
SEQRES  12 A  190  HIS ARG SER SER GLY SER VAL ASN THR ALA ASN HIS PHE  1XYO 104
SEQRES  13 A  190  ASN ALA TRP ALA GLN GLN GLY LEU THR LEU GLY THR MET  1XYO 105
SEQRES  14 A  190  ASP TYR GLN ILE VAL ALA VAL GLU GLY TYR PHE SER SER  1XYO 106
SEQRES  15 A  190  GLY SER ALA SER ILE THR VAL SER                      1XYO 107
SEQRES   1 B  190  PCA THR ILE GLN PRO GLY THR GLY TYR ASN ASN GLY TYR  1XYO 108
SEQRES   2 B  190  PHE TYR SER TYR TRP ASN ASP GLY HIS GLY GLY VAL THR  1XYO 109
SEQRES   3 B  190  TYR THR ASN GLY PRO GLY GLY GLN PHE SER VAL ASN TRP  1XYO 110
SEQRES   4 B  190  SER ASN SER GLY ASN PHE VAL GLY GLY LYS GLY TRP GLN  1XYO 111
SEQRES   5 B  190  PRO GLY THR LYS ASN LYS VAL ILE ASN PHE SER GLY SER  1XYO 112
SEQRES   6 B  190  TYR ASN PRO ASN GLY ASN SER TYR LEU SER VAL TYR GLY  1XYO 113
SEQRES   7 B  190  TRP SER ARG ASN PRO LEU ILE GLU TYR TYR ILE VAL GLU  1XYO 114
SEQRES   8 B  190  ASN PHE GLY THR TYR ASN PRO SER THR GLY ALA THR LYS  1XYO 115
SEQRES   9 B  190  LEU GLY GLU VAL THR SER ASP GLY SER VAL TYR ASP ILE  1XYO 116
SEQRES  10 B  190  TYR ARG THR GLN ARG VAL ASN GLN PRO SER ILE ILE GLY  1XYO 117
SEQRES  11 B  190  THR ALA THR PHE TYR GLN TYR TRP SER VAL ARG ARG ASN  1XYO 118
SEQRES  12 B  190  HIS ARG SER SER GLY SER VAL ASN THR ALA ASN HIS PHE  1XYO 119
SEQRES  13 B  190  ASN ALA TRP ALA GLN GLN GLY LEU THR LEU GLY THR MET  1XYO 120
SEQRES  14 B  190  ASP TYR GLN ILE VAL ALA VAL GLU GLY TYR PHE SER SER  1XYO 121
SEQRES  15 B  190  GLY SER ALA SER ILE THR VAL SER                      1XYO 122
FTNOTE   1                                                              1XYO 123
FTNOTE   1 CIS PROLINE - PRO A    53                                    1XYO 124
FTNOTE   2                                                              1XYO 125
FTNOTE   2 CIS PROLINE - PRO A    83                                    1XYO 126
FTNOTE   3                                                              1XYO 127
FTNOTE   3 CIS PROLINE - PRO B    53                                    1XYO 128
FTNOTE   4                                                              1XYO 129
FTNOTE   4 CIS PROLINE - PRO B    83                                    1XYO 130
FORMUL   3  HOH   *270(H2 O1)                                           1XYO 131
CRYST1   81.550   60.640   38.250  90.00  94.46  90.00 P 21          4  1XYO 132
ORIGX1      1.000000  0.000000  0.000000        0.00000                 1XYO 133
ORIGX2      0.000000  1.000000  0.000000        0.00000                 1XYO 134
ORIGX3      0.000000  0.000000  1.000000        0.00000                 1XYO 135
SCALE1      0.012262  0.000000  0.000956        0.00000                 1XYO 136
SCALE2      0.000000  0.016491  0.000000        0.00000                 1XYO 137
SCALE3      0.000000  0.000000  0.026223        0.00000                 1XYO 138
MTRIX1   1  0.986600 -0.024599  0.161600       39.99320    1            1XYO 139
MTRIX2   1 -0.025499 -0.999699  0.003700       58.04410    1            1XYO 140
MTRIX3   1  0.161400 -0.007799 -0.986899       12.73330    1            1XYO 141