longtext: 1AKN-pdb

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HEADER    HYDROLASE()                             23-MAY-97   1AKN
TITLE     STRUCTURE OF BILE-SALT ACTIVATED LIPASE
COMPND    MOL_ID: 1;
COMPND   2 MOLECULE: BILE-SALT ACTIVATED LIPASE;
COMPND   3 CHAIN: NULL;
COMPND   4 SYNONYM: CARBOXYL ESTER LIPASE, STEROL ESTERASE,
COMPND   5 CHOLESTEROL ESTERASE, PANCREATIC LYSOPHOSPHOLIPASE;
COMPND   6 EC: 3.1.1.3
SOURCE    MOL_ID: 1;
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;
SOURCE   3 ORGANISM_COMMON: BOVINE;
SOURCE   4 ORGAN: PANCREAS
KEYWDS    HYDROLASE, SERINE ESTERASE, LIPID DEGRADATION, GLYCOPROTEIN,
KEYWDS   2 SIGNAL, CARBOXYLIC ESTERASE
EXPDTA    X-RAY DIFFRACTION
AUTHOR    X.WANG,X.ZHANG
REVDAT   1   27-MAY-98 1AKN    0
JRNL        AUTH   X.WANG,C.S.WANG,J.TANG,F.DYDA,X.C.ZHANG
JRNL        TITL   THE CRYSTAL STRUCTURE OF BOVINE BILE SALT ACTIVATED
JRNL        TITL 2 LIPASE: INSIGHTS INTO THE BILE SALT ACTIVATION
JRNL        TITL 3 MECHANISM
JRNL        REF    STRUCTURE (LONDON)            V.   5  1209 1997
JRNL        REFN   ASTM STRUE6  UK ISSN 0969-2126                 2005
REMARK   1
REMARK   2
REMARK   2 RESOLUTION. 2.8  ANGSTROMS.
REMARK   3
REMARK   3 REFINEMENT.
REMARK   3   PROGRAM     : X-PLOR 3.1
REMARK   3   AUTHORS     : BRUNGER
REMARK   3
REMARK   3  DATA USED IN REFINEMENT.
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.8
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.0
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 95.3
REMARK   3   NUMBER OF REFLECTIONS             : 17178
REMARK   3
REMARK   3  FIT TO DATA USED IN REFINEMENT.
REMARK   3   CROSS-VALIDATION METHOD          : NULL
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM
REMARK   3   R VALUE            (WORKING SET) : 0.211
REMARK   3   FREE R VALUE                     : 0.290
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.3
REMARK   3   FREE R VALUE TEST SET COUNT      : 1706
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL
REMARK   3
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL
REMARK   3   BIN R VALUE           (WORKING SET) : NULL
REMARK   3   BIN FREE R VALUE                    : NULL
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL
REMARK   3
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.
REMARK   3   PROTEIN ATOMS            : 4261
REMARK   3   NUCLEIC ACID ATOMS       : 0
REMARK   3   HETEROGEN ATOMS          : 14
REMARK   3   SOLVENT ATOMS            : 0
REMARK   3
REMARK   3  B VALUES.
REMARK   3   FROM WILSON PLOT           (A**2) : 66.1
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 47.6
REMARK   3   OVERALL ANISOTROPIC B VALUE.
REMARK   3    B11 (A**2) : NULL
REMARK   3    B22 (A**2) : NULL
REMARK   3    B33 (A**2) : NULL
REMARK   3    B12 (A**2) : NULL
REMARK   3    B13 (A**2) : NULL
REMARK   3    B23 (A**2) : NULL
REMARK   3
REMARK   3  ESTIMATED COORDINATE ERROR.
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL
REMARK   3   ESD FROM SIGMAA              (A) : NULL
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL
REMARK   3
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL
REMARK   3
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.
REMARK   3   BOND LENGTHS                 (A) : 0.008
REMARK   3   BOND ANGLES            (DEGREES) : 1.5
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.8
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.32
REMARK   3
REMARK   3  ISOTROPIC THERMAL MODEL : NULL
REMARK   3
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL
REMARK   3
REMARK   3  NCS MODEL : NULL
REMARK   3
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL
REMARK   3
REMARK   3  PARAMETER FILE  1  : PARHCSDX.PRO
REMARK   3  PARAMETER FILE  2  : NAG.PAR
REMARK   3  TOPOLOGY FILE  1   : TOPHCSDX.PRO
REMARK   3  TOPOLOGY FILE  2   : NAG.TOP
REMARK   3
REMARK   3  OTHER REFINEMENT REMARKS: AT FINAL STEP, ALL DATA IN
REMARK   3  8 - 2.8 A WERE USED TO CARRY OUT A RESTRAINED TEMPERATURE
REMARK   3  FACTOR REFINEMENT BY TNT.
REMARK   4
REMARK   4 1AKN COMPLIES WITH FORMAT V. 2.2, 16-DEC-1996
REMARK   6
REMARK   6 RESIDUES 548 - 579 ARE MISSING.
REMARK   7
REMARK   7 SER 546 AND GLN 547 WERE BUILT AS GLY.
REMARK 200
REMARK 200 EXPERIMENTAL DETAILS
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION
REMARK 200  DATE OF DATA COLLECTION        : DEC-1996
REMARK 200  TEMPERATURE           (KELVIN) : 288
REMARK 200  PH                             : 7.
REMARK 200  NUMBER OF CRYSTALS USED        : 1
REMARK 200
REMARK 200  SYNCHROTRON              (Y/N) : N
REMARK 200  RADIATION SOURCE               : NULL
REMARK 200  BEAMLINE                       : NULL
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418
REMARK 200  MONOCHROMATOR                  : NI FILTER
REMARK 200  OPTICS                         : MIRROR
REMARK 200
REMARK 200  DETECTOR TYPE                  : R-AXIS II IMAGE PLATE
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK
REMARK 200
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 18614
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.8
REMARK 200  RESOLUTION RANGE LOW       (A) : 33.7
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.0
REMARK 200
REMARK 200 OVERALL.
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.4
REMARK 200  DATA REDUNDANCY                : 2.53
REMARK 200  R MERGE                    (I) : 0.066
REMARK 200  R SYM                      (I) : NULL
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.8
REMARK 200
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.8
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.9
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.2
REMARK 200  DATA REDUNDANCY IN SHELL       : 1.3
REMARK 200  R MERGE FOR SHELL          (I) : 0.39
REMARK 200  R SYM FOR SHELL            (I) : NULL
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.8
REMARK 200
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR
REMARK 200    REPLACEMENT
REMARK 200 SOFTWARE USED: MRCHK
REMARK 200 STARTING MODEL: PDB ENTRY 1ACE
REMARK 200
REMARK 200 REMARK: NULL
REMARK 280
REMARK 280 CRYSTAL
REMARK 280 SOLVENT CONTENT, VS   (%): 58.0
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.93
REMARK 280
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL
REMARK 290
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1
REMARK 290
REMARK 290      SYMOP   SYMMETRY
REMARK 290     NNNMMM   OPERATOR
REMARK 290       1555   X,Y,Z
REMARK 290       2555   -Y,X-Y,Z+1/3
REMARK 290       3555   Y-X,-X,Z+2/3
REMARK 290       4555   Y,X,-Z
REMARK 290       5555   X-Y,-Y,2/3-Z
REMARK 290       6555   -X,Y-X,1/3-Z
REMARK 290
REMARK 290     WHERE NNN -> OPERATOR NUMBER
REMARK 290           MMM -> TRANSLATION VECTOR
REMARK 290
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY
REMARK 290 RELATED MOLECULES.
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000
REMARK 290   SMTRY1   2 -0.500041 -0.866033  0.000000        0.00000
REMARK 290   SMTRY2   2  0.866018 -0.499959  0.000000        0.00000
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       48.16956
REMARK 290   SMTRY1   3 -0.499959  0.866033  0.000000        0.00000
REMARK 290   SMTRY2   3 -0.866018 -0.500041  0.000000        0.00000
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       96.33911
REMARK 290   SMTRY1   4 -0.500041  0.865985  0.000000        0.00000
REMARK 290   SMTRY2   4  0.866018  0.500041  0.000000        0.00000
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000
REMARK 290   SMTRY1   5  1.000000  0.000094  0.000000        0.00000
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       96.33911
REMARK 290   SMTRY1   6 -0.499959 -0.866080  0.000000        0.00000
REMARK 290   SMTRY2   6 -0.866018  0.499959  0.000000        0.00000
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       48.16956
REMARK 290
REMARK 290 REMARK: NULL
REMARK 470
REMARK 470 MISSING ATOM
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;
REMARK 470 I=INSERTION CODE):
REMARK 470   M RES CSSEQI  ATOMS
REMARK 470     SER   546    CB   OG
REMARK 470     GLN   547    CB   CG   CD   OE1  NE2
REMARK 999
REMARK 999 SEQUENCE
REMARK 999 1AKN       SWS     P30122       1 -    18 NOT IN ATOMS LIST
REMARK 999 1AKN       SWS     P30122     566 -   597 NOT IN ATOMS LIST
REMARK 999
REMARK 999 RESIDUE 27 WAS DETERMINED TO BE ILE BY MASS SPECTROSCOPY.
DBREF  1AKN      1   547  SWS    P30122   BAL_BOVIN       19    565
SEQADV 1AKN ILE     27  SWS  P30122    VAL    45 CONFLICT
SEQRES   1    579  ALA LYS LEU GLY SER VAL TYR THR GLU GLY GLY PHE VAL
SEQRES   2    579  GLU GLY VAL ASN LYS LYS LEU SER LEU PHE GLY ASP SER
SEQRES   3    579  ILE ASP ILE PHE LYS GLY ILE PRO PHE ALA ALA ALA PRO
SEQRES   4    579  LYS ALA LEU GLU LYS PRO GLU ARG HIS PRO GLY TRP GLN
SEQRES   5    579  GLY THR LEU LYS ALA LYS SER PHE LYS LYS ARG CYS LEU
SEQRES   6    579  GLN ALA THR LEU THR GLN ASP SER THR TYR GLY ASN GLU
SEQRES   7    579  ASP CYS LEU TYR LEU ASN ILE TRP VAL PRO GLN GLY ARG
SEQRES   8    579  LYS GLU VAL SER HIS ASP LEU PRO VAL MET ILE TRP ILE
SEQRES   9    579  TYR GLY GLY ALA PHE LEU MET GLY ALA SER GLN GLY ALA
SEQRES  10    579  ASN PHE LEU SER ASN TYR LEU TYR ASP GLY GLU GLU ILE
SEQRES  11    579  ALA THR ARG GLY ASN VAL ILE VAL VAL THR PHE ASN TYR
SEQRES  12    579  ARG VAL GLY PRO LEU GLY PHE LEU SER THR GLY ASP SER
SEQRES  13    579  ASN LEU PRO GLY ASN TYR GLY LEU TRP ASP GLN HIS MET
SEQRES  14    579  ALA ILE ALA TRP VAL LYS ARG ASN ILE GLU ALA PHE GLY
SEQRES  15    579  GLY ASP PRO ASP ASN ILE THR LEU PHE GLY GLU SER ALA
SEQRES  16    579  GLY GLY ALA SER VAL SER LEU GLN THR LEU SER PRO TYR
SEQRES  17    579  ASN LYS GLY LEU ILE LYS ARG ALA ILE SER GLN SER GLY
SEQRES  18    579  VAL GLY LEU CYS PRO TRP ALA ILE GLN GLN ASP PRO LEU
SEQRES  19    579  PHE TRP ALA LYS ARG ILE ALA GLU LYS VAL GLY CYS PRO
SEQRES  20    579  VAL ASP ASP THR SER LYS MET ALA GLY CYS LEU LYS ILE
SEQRES  21    579  THR ASP PRO ARG ALA LEU THR LEU ALA TYR LYS LEU PRO
SEQRES  22    579  LEU GLY SER THR GLU TYR PRO LYS LEU HIS TYR LEU SER
SEQRES  23    579  PHE VAL PRO VAL ILE ASP GLY ASP PHE ILE PRO ASP ASP
SEQRES  24    579  PRO VAL ASN LEU TYR ALA ASN ALA ALA ASP VAL ASP TYR
SEQRES  25    579  ILE ALA GLY THR ASN ASP MET ASP GLY HIS LEU PHE VAL
SEQRES  26    579  GLY MET ASP VAL PRO ALA ILE ASN SER ASN LYS GLN ASP
SEQRES  27    579  VAL THR GLU GLU ASP PHE TYR LYS LEU VAL SER GLY LEU
SEQRES  28    579  THR VAL THR LYS GLY LEU ARG GLY ALA ASN ALA THR TYR
SEQRES  29    579  GLU VAL TYR THR GLU PRO TRP ALA GLN ASP SER SER GLN
SEQRES  30    579  GLU THR ARG LYS LYS THR MET VAL ASP LEU GLU THR ASP
SEQRES  31    579  ILE LEU PHE LEU ILE PRO THR LYS ILE ALA VAL ALA GLN
SEQRES  32    579  HIS LYS SER HIS ALA LYS SER ALA ASN THR TYR THR TYR
SEQRES  33    579  LEU PHE SER GLN PRO SER ARG MET PRO ILE TYR PRO LYS
SEQRES  34    579  TRP MET GLY ALA ASP HIS ALA ASP ASP LEU GLN TYR VAL
SEQRES  35    579  PHE GLY LYS PRO PHE ALA THR PRO LEU GLY TYR ARG ALA
SEQRES  36    579  GLN ASP ARG THR VAL SER LYS ALA MET ILE ALA TYR TRP
SEQRES  37    579  THR ASN PHE ALA ARG THR GLY ASP PRO ASN THR GLY HIS
SEQRES  38    579  SER THR VAL PRO ALA ASN TRP ASP PRO TYR THR LEU GLU
SEQRES  39    579  ASP ASP ASN TYR LEU GLU ILE ASN LYS GLN MET ASP SER
SEQRES  40    579  ASN SER MET LYS LEU HIS LEU ARG THR ASN TYR LEU GLN
SEQRES  41    579  PHE TRP THR GLN THR TYR GLN ALA LEU PRO THR VAL THR
SEQRES  42    579  SER ALA GLY ALA SER LEU LEU PRO PRO GLU ASP ASN SER
SEQRES  43    579  GLN ALA SER PRO VAL PRO PRO ALA ASP ASN SER GLY ALA
SEQRES  44    579  PRO THR GLU PRO SER ALA GLY ASP SER GLU VAL ALA GLN
SEQRES  45    579  MET PRO VAL VAL ILE GLY PHE
HET    NAG    600      14
HETNAM     NAG N-ACETYL-D-GLUCOSAMINE
FORMUL   2  NAG    C8 H15 N1 O6
HELIX    1   1 GLU    128  GLY    134  1                                   7
HELIX    2   2 PRO    147  PHE    150  1                                   4
HELIX    3   3 TYR    162  PHE    181  1                                  20
HELIX    4   4 PRO    185  ASN    187  5                                   3
HELIX    5   5 SER    194  LEU    205  5                                  12
HELIX    6   6 PRO    207  ASN    209  5                                   3
HELIX    7   7 PRO    233  LYS    243  1                                  11
HELIX    8   8 THR    251  ILE    260  1                                  10
HELIX    9   9 PRO    263  LEU    268  1                                   6
HELIX   10  10 PRO    300  ASN    302  5                                   3
HELIX   11  11 TYR    304  ALA    307  5                                   4
HELIX   12  12 HIS    322  ASP    328  1                                   7
HELIX   13  13 GLU    341  TYR    367  1                                  27
HELIX   14  14 GLN    377  LEU    392  1                                  16
HELIX   15  15 LEU    394  SER    406  1                                  13
HELIX   16  16 LEU    439  VAL    442  1                                   4
HELIX   17  17 LYS    445  ALA    448  1                                   4
HELIX   18  18 ALA    455  THR    474  1                                  20
HELIX   19  19 SER    507  SER    509  5                                   3
HELIX   20  20 THR    516  THR    523  1                                   8
HELIX   21  21 THR    525  ALA    528  1                                   4
SHEET    1   A 3 SER     5  THR     8  0
SHEET    2   A 3 GLY    11  GLU    14 -1  N  VAL    13   O  VAL     6
SHEET    3   A 3 THR    54  LYS    56  1  N  LEU    55   O  PHE    12
SHEET    1   B11 VAL    16  LYS    19  0
SHEET    2   B11 SER    26  PRO    34 -1  N  ILE    29   O  VAL    16
SHEET    3   B11 TYR    82  GLN    89 -1  N  GLN    89   O  SER    26
SHEET    4   B11 ILE   137  PHE   141 -1  N  THR   140   O  ASN    84
SHEET    5   B11 VAL   100  ILE   104  1  N  MET   101   O  ILE   137
SHEET    6   B11 ILE   188  GLU   193  1  N  THR   189   O  VAL   100
SHEET    7   B11 ARG   215  GLN   219  1  N  ARG   215   O  LEU   190
SHEET    8   B11 ASP   311  ASN   317  1  N  ASP   311   O  ALA   216
SHEET    9   B11 THR   413  PHE   418  1  N  TYR   414   O  TYR   312
SHEET   10   B11 ASN   497  ILE   501  1  N  LEU   499   O  LEU   417
SHEET   11   B11 MET   510  LEU   512 -1  N  LYS   511   O  TYR   498
LINK         C1  NAG   600                 ND2 ASN   361
CRYST1   94.390   94.390  144.510  90.00  90.00 120.00 P 31 2 1      6
ORIGX1      1.000000  0.000000  0.000000        0.00000
ORIGX2      0.000000  1.000000  0.000000        0.00000
ORIGX3      0.000000  0.000000  1.000000        0.00000
SCALE1      0.010594  0.006117  0.000000        0.00000
SCALE2      0.000000  0.012233  0.000000        0.00000
SCALE3      0.000000  0.000000  0.006920        0.00000