HEADER DEHALOGENASE 31-AUG-93 2EDC TITLE CRYSTALLOGRAPHIC AND FLUORESCENCE STUDIES OF THE INTERACTION OF TITLE 2 HALOALKANE DEHALOGENASE WITH HALIDE IONS: STUDIES WITH HALIDE TITLE 3 COMPOUNDS REVEAL A HALIDE BINDING SITE IN THE ACTIVE SITE COMPND MOL_ID: 1; COMPND 2 MOLECULE: HALOALKANE DEHALOGENASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.8.1.5; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: XANTHOBACTER AUTOTROPHICUS; SOURCE 3 ORGANISM_TAXID: 280 KEYWDS DEHALOGENASE EXPDTA X-RAY DIFFRACTION AUTHOR K.H.G.VERSCHUEREN,B.W.DIJKSTRA REVDAT 5 14-FEB-24 2EDC 1 REMARK REVDAT 4 29-NOV-17 2EDC 1 HELIX REVDAT 3 24-FEB-09 2EDC 1 VERSN REVDAT 2 01-APR-03 2EDC 1 JRNL REVDAT 1 31-JAN-94 2EDC 0 JRNL AUTH K.H.VERSCHUEREN,J.KINGMA,H.J.ROZEBOOM,K.H.KALK,D.B.JANSSEN, JRNL AUTH 2 B.W.DIJKSTRA JRNL TITL CRYSTALLOGRAPHIC AND FLUORESCENCE STUDIES OF THE INTERACTION JRNL TITL 2 OF HALOALKANE DEHALOGENASE WITH HALIDE IONS. STUDIES WITH JRNL TITL 3 HALIDE COMPOUNDS REVEAL A HALIDE BINDING SITE IN THE ACTIVE JRNL TITL 4 SITE. JRNL REF BIOCHEMISTRY V. 32 9031 1993 JRNL REFN ISSN 0006-2960 JRNL PMID 8369276 JRNL DOI 10.1021/BI00086A008 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.M.FRANKEN,H.J.ROZEBOOM,K.H.KALK,B.W.DIJKSTRA REMARK 1 TITL CRYSTAL STRUCTURE OF HALOALKANE DEHALOGENASE: AN ENZYME TO REMARK 1 TITL 2 DETOXIFY HALOGENATED ALKANES REMARK 1 REF EMBO J. V. 10 1297 1991 REMARK 1 REFN ISSN 0261-4189 REMARK 1 REFERENCE 2 REMARK 1 AUTH H.J.ROZEBOOM,J.KINGMA,D.B.JANSSEN,B.W.DIJKSTRA REMARK 1 TITL CRYSTALLIZATION OF HALOALKANE DEHALOGENASE FROM XANTHOBACTER REMARK 1 TITL 2 AUTOTROPHICUS GJ10 REMARK 1 REF J.MOL.BIOL. V. 200 611 1988 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.177 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2479 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 125 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.011 ; NULL ; NULL REMARK 3 BOND ANGLES (DEGREES) : 3.200 ; NULL ; NULL REMARK 3 TORSION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES (A) : NULL ; NULL ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS (A) : NULL ; NULL ; NULL REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : NULL REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2EDC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000178027. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.85 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.04 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z REMARK 290 4555 X+1/2,-Y+1/2,-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 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 47.45000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 36.55000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 47.45000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 36.55000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OD2 ASP A 96 O HOH A 406 2.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 6 NE - CZ - NH2 ANGL. DEV. = 3.5 DEGREES REMARK 500 ASP A 27 CB - CG - OD1 ANGL. DEV. = 10.5 DEGREES REMARK 500 ASP A 27 CB - CG - OD2 ANGL. DEV. = -6.1 DEGREES REMARK 500 ARG A 35 NE - CZ - NH1 ANGL. DEV. = -3.1 DEGREES REMARK 500 ARG A 35 NE - CZ - NH2 ANGL. DEV. = 4.1 DEGREES REMARK 500 ASP A 45 CB - CG - OD1 ANGL. DEV. = 6.5 DEGREES REMARK 500 ASP A 45 CB - CG - OD2 ANGL. DEV. = -6.8 DEGREES REMARK 500 ARG A 64 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 ARG A 76 NE - CZ - NH2 ANGL. DEV. = 3.4 DEGREES REMARK 500 ARG A 103 CD - NE - CZ ANGL. DEV. = -8.6 DEGREES REMARK 500 ARG A 103 NE - CZ - NH1 ANGL. DEV. = -3.1 DEGREES REMARK 500 ARG A 112 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 ASP A 114 CB - CG - OD2 ANGL. DEV. = -6.1 DEGREES REMARK 500 ARG A 116 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 ARG A 116 NE - CZ - NH2 ANGL. DEV. = -4.3 DEGREES REMARK 500 ASP A 124 CB - CG - OD1 ANGL. DEV. = 7.0 DEGREES REMARK 500 ASP A 124 CB - CG - OD2 ANGL. DEV. = -8.5 DEGREES REMARK 500 ARG A 143 NE - CZ - NH1 ANGL. DEV. = 5.9 DEGREES REMARK 500 ARG A 143 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 MET A 147 CG - SD - CE ANGL. DEV. = 9.7 DEGREES REMARK 500 ASP A 170 CB - CG - OD1 ANGL. DEV. = 11.2 DEGREES REMARK 500 ASP A 170 CB - CG - OD2 ANGL. DEV. = -8.3 DEGREES REMARK 500 ARG A 186 NE - CZ - NH2 ANGL. DEV. = 3.3 DEGREES REMARK 500 ASP A 188 CB - CG - OD1 ANGL. DEV. = 7.6 DEGREES REMARK 500 ARG A 193 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 THR A 197 CA - CB - CG2 ANGL. DEV. = -9.3 DEGREES REMARK 500 ARG A 220 NE - CZ - NH2 ANGL. DEV. = 3.2 DEGREES REMARK 500 PRO A 223 N - CA - CB ANGL. DEV. = 7.9 DEGREES REMARK 500 ARG A 229 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 ASP A 230 CB - CG - OD1 ANGL. DEV. = 7.5 DEGREES REMARK 500 CYS A 233 CA - CB - SG ANGL. DEV. = 7.7 DEGREES REMARK 500 ASP A 266 CB - CG - OD2 ANGL. DEV. = -7.3 DEGREES REMARK 500 MET A 271 CG - SD - CE ANGL. DEV. = 10.0 DEGREES REMARK 500 ARG A 300 CD - NE - CZ ANGL. DEV. = 8.5 DEGREES REMARK 500 ARG A 300 NE - CZ - NH1 ANGL. DEV. = 6.4 DEGREES REMARK 500 ARG A 300 NE - CZ - NH2 ANGL. DEV. = -4.1 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 PRO A 57 52.01 -116.43 REMARK 500 THR A 58 -151.03 -97.36 REMARK 500 ASP A 124 -137.43 53.76 REMARK 500 ASP A 137 76.96 176.47 REMARK 500 LYS A 142 -31.90 -130.27 REMARK 500 ASN A 148 93.37 -12.13 REMARK 500 CYS A 150 -164.57 -167.28 REMARK 500 PRO A 196 -19.65 -47.70 REMARK 500 LEU A 262 -70.94 -89.95 REMARK 500 GLU A 308 32.53 -73.22 REMARK 500 THR A 309 67.82 -169.23 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOD A 600 REMARK 999 REMARK 999 SEQUENCE REMARK 999 SEQUENCE ADVISORY NOTICE: REMARK 999 DIFFERENCE BETWEEN SWISS-PROT AND PDB SEQUENCE. REMARK 999 REMARK 999 SWISS-PROT ENTRY NAME: HALO_XANAU REMARK 999 REMARK 999 SWISS-PROT RESIDUE PDB SEQRES REMARK 999 NAME NUMBER NAME CHAIN SEQ/INSERT CODE REMARK 999 ILE 120 LEU 120 REMARK 999 REMARK 999 THE SWISS-PROT ENTRY IS IN ERROR AND THE DEPOSITORS HAVE REMARK 999 REQUESTED THAT THE SEQUENCE DATABANKS MAKE THE PROPER REMARK 999 CORRECTIONS. DBREF 2EDC A 1 310 UNP P22643 DHLA_XANAU 1 310 SEQRES 1 A 310 MET ILE ASN ALA ILE ARG THR PRO ASP GLN ARG PHE SER SEQRES 2 A 310 ASN LEU ASP GLN TYR PRO PHE SER PRO ASN TYR LEU ASP SEQRES 3 A 310 ASP LEU PRO GLY TYR PRO GLY LEU ARG ALA HIS TYR LEU SEQRES 4 A 310 ASP GLU GLY ASN SER ASP ALA GLU ASP VAL PHE LEU CYS SEQRES 5 A 310 LEU HIS GLY GLU PRO THR TRP SER TYR LEU TYR ARG LYS SEQRES 6 A 310 MET ILE PRO VAL PHE ALA GLU SER GLY ALA ARG VAL ILE SEQRES 7 A 310 ALA PRO ASP PHE PHE GLY PHE GLY LYS SER ASP LYS PRO SEQRES 8 A 310 VAL ASP GLU GLU ASP TYR THR PHE GLU PHE HIS ARG ASN SEQRES 9 A 310 PHE LEU LEU ALA LEU ILE GLU ARG LEU ASP LEU ARG ASN SEQRES 10 A 310 ILE THR LEU VAL VAL GLN ASP TRP GLY GLY PHE LEU GLY SEQRES 11 A 310 LEU THR LEU PRO MET ALA ASP PRO SER ARG PHE LYS ARG SEQRES 12 A 310 LEU ILE ILE MET ASN ALA CYS LEU MET THR ASP PRO VAL SEQRES 13 A 310 THR GLN PRO ALA PHE SER ALA PHE VAL THR GLN PRO ALA SEQRES 14 A 310 ASP GLY PHE THR ALA TRP LYS TYR ASP LEU VAL THR PRO SEQRES 15 A 310 SER ASP LEU ARG LEU ASP GLN PHE MET LYS ARG TRP ALA SEQRES 16 A 310 PRO THR LEU THR GLU ALA GLU ALA SER ALA TYR ALA ALA SEQRES 17 A 310 PRO PHE PRO ASP THR SER TYR GLN ALA GLY VAL ARG LYS SEQRES 18 A 310 PHE PRO LYS MET VAL ALA GLN ARG ASP GLN ALA CYS ILE SEQRES 19 A 310 ASP ILE SER THR GLU ALA ILE SER PHE TRP GLN ASN ASP SEQRES 20 A 310 TRP ASN GLY GLN THR PHE MET ALA ILE GLY MET LYS ASP SEQRES 21 A 310 LYS LEU LEU GLY PRO ASP VAL MET TYR PRO MET LYS ALA SEQRES 22 A 310 LEU ILE ASN GLY CYS PRO GLU PRO LEU GLU ILE ALA ASP SEQRES 23 A 310 ALA GLY HIS PHE VAL GLN GLU PHE GLY GLU GLN VAL ALA SEQRES 24 A 310 ARG GLU ALA LEU LYS HIS PHE ALA GLU THR GLU HET IOD A 600 1 HETNAM IOD IODIDE ION FORMUL 2 IOD I 1- FORMUL 3 HOH *125(H2 O) HELIX 1 A1 SER A 60 GLU A 72 1 13 HELIX 2 A2 PHE A 99 ARG A 112 1 14 HELIX 3 A3 ASP A 124 GLY A 130 1 7 HELIX 4 A4 PRO A 159 PHE A 164 1 6 HELIX 5 A5 PHE A 172 VAL A 180 1 9 HELIX 6 A6 LEU A 187 TRP A 194 1 8 HELIX 7 A7 GLU A 200 ALA A 207 1 8 HELIX 8 A8 THR A 213 ALA A 227 1 15 HELIX 9 A9 GLN A 231 ASN A 246 1 16 HELIX 10 A10 PRO A 265 LEU A 274 1 10 HELIX 11 A11 VAL A 291 HIS A 305 1 15 SHEET 1 S1 8 SER A 21 LEU A 25 0 SHEET 2 S1 8 ALA A 36 GLU A 41 -1 SHEET 3 S1 8 ARG A 76 PRO A 80 -1 SHEET 4 S1 8 VAL A 49 HIS A 54 1 SHEET 5 S1 8 ILE A 118 VAL A 122 1 SHEET 6 S1 8 PHE A 141 MET A 147 1 SHEET 7 S1 8 GLN A 251 GLY A 257 1 SHEET 8 S1 8 GLU A 280 ILE A 284 1 CISPEP 1 GLU A 56 PRO A 57 0 -1.54 CISPEP 2 GLN A 167 PRO A 168 0 -0.19 SITE 1 AC1 2 TRP A 125 TRP A 175 CRYST1 94.900 73.100 41.500 90.00 90.00 90.00 P 21 21 2 4 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 0.010537 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013680 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024096 0.00000