PDB Short entry for 1AQH HEADER HYDROLASE 30-JUL-97 1AQH TITLE ALPHA-AMYLASE FROM ALTEROMONAS HALOPLANCTIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-AMYLASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.2.1.1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PSEUDOALTEROMONAS HALOPLANKTIS; SOURCE 3 ORGANISM_TAXID: 228; SOURCE 4 STRAIN: A23; SOURCE 5 CELL_LINE: RR1; SOURCE 6 GENE: AMY; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_CELL_LINE: RR1 KEYWDS ALPHA-AMYLASE, ALPHA-1,4-GLUCAN-4-GLUCANOHYDROLASE, BETA- KEYWDS 2 ALPHA-EIGHT BARREL, PSYCHROPHILIC ENZYME, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR N.AGHAJARI,R.HASER REVDAT 2 24-FEB-09 1AQH 1 VERSN REVDAT 1 16-FEB-99 1AQH 0 JRNL AUTH N.AGHAJARI,G.FELLER,C.GERDAY,R.HASER JRNL TITL CRYSTAL STRUCTURES OF THE PSYCHROPHILIC JRNL TITL 2 ALPHA-AMYLASE FROM ALTEROMONAS HALOPLANCTIS IN ITS JRNL TITL 3 NATIVE FORM AND COMPLEXED WITH AN INHIBITOR. JRNL REF PROTEIN SCI. V. 7 564 1998 JRNL REFN ISSN 0961-8368 JRNL PMID 9541387 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH N.AGHAJARI,G.FELLER,C.GERDAY,R.HASER REMARK 1 TITL ERRATUM. CRYSTAL STRUCTURES OF THE PSYCHROPHILIC REMARK 1 TITL 2 ALPHA-AMYLASE FROM ALTEROMONAS HALOPLANCTIS IN ITS REMARK 1 TITL 3 NATIVE FORM AND COMPLEXED WITH AN INHIBITOR REMARK 1 REF PROTEIN SCI. V. 7 1481 1998 REMARK 1 REFN ISSN 0961-8368 REMARK 1 REFERENCE 2 REMARK 1 AUTH N.AGHAJARI,G.FELLER,C.GERDAY,R.HASER REMARK 1 TITL STRUCTURES OF THE PSYCHROPHILIC ALTEROMONAS REMARK 1 TITL 2 HALOPLANCTIS ALPHA-AMYLASE GIVE INSIGHTS INTO COLD REMARK 1 TITL 3 ADAPTATION AT A MOLECULAR LEVEL REMARK 1 REF STRUCTURE V. 6 1503 1998 REMARK 1 REFN ISSN 0969-2126 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.843 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 80.5 REMARK 3 NUMBER OF REFLECTIONS : 31449 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.157 REMARK 3 FREE R VALUE : 0.204 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.09 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 80.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1176 REMARK 3 BIN R VALUE (WORKING SET) : 0.3190 REMARK 3 BIN FREE R VALUE : 0.3690 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 : 0.030 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3443 REMARK 3 NUCLEIC ACID ATOMS : NULL REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 223 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : 1.50 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : 1.18 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 : PARAM3_MOD.CHO REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT REFINEMENT HAS BEEN REMARK 3 APPLIED THROUGHOUT THE REFINEMENT PROCESS REMARK 4 REMARK 4 1AQH COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : DEC-96 REMARK 200 TEMPERATURE (KELVIN) : 288 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : COLLIMATOR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : AGROVATA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31485 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 43.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 80.5 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.14200 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 5.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.11 REMARK 200 COMPLETENESS FOR SHELL (%) : 31.5 REMARK 200 DATA REDUNDANCY IN SHELL : 1.30 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.56900 REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: PHASES FROM ALPHA- REMARK 200 AMYLASE COMPLEXED WITH A TRIS MOLECULE COMBINED WITH STRUCTURE REMARK 200 FACTORS FROM THIS NATIVE DATA SET REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: THE TRIS MOLECULE AND WATER MOLECULES IN AND AROUND THE REMARK 200 ACTIVE SITE WAS NOT INCLUDED IN THE PHASE INFORMATION REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.91 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.0 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 57.85000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 57.85000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 35.70000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 69.35000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 35.70000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 69.35000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 57.85000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 35.70000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 69.35000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 57.85000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 35.70000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 69.35000 REMARK 290 SMTRY3 8 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 THR A 449 REMARK 465 SER A 450 REMARK 465 SER A 451 REMARK 465 ALA A 452 REMARK 465 SER A 453 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 GLU A 118 CG CD OE1 OE2 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 TYR A 23 -60.43 -127.00 REMARK 500 ASN A 129 21.24 -141.15 REMARK 500 ASP A 130 84.58 -156.21 REMARK 500 PRO A 295 45.47 -77.72 REMARK 500 PHE A 329 -5.43 72.29 REMARK 500 ALA A 330 -132.10 -111.70 REMARK 500 ASN A 332 -115.06 -111.55 REMARK 500 THR A 365 -2.69 78.07 REMARK 500 ASN A 366 -108.87 -137.23 REMARK 500 ASN A 432 74.36 -155.51 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A1140 DISTANCE = 5.01 ANGSTROMS REMARK 525 HOH A1173 DISTANCE = 5.82 ANGSTROMS REMARK 525 HOH A1190 DISTANCE = 5.13 ANGSTROMS REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 800 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 178 O REMARK 620 2 ASN A 88 OD1 74.5 REMARK 620 3 GLN A 135 O 79.2 152.9 REMARK 620 4 ASP A 144 OD1 136.9 77.0 120.1 REMARK 620 5 ASP A 144 OD2 157.0 124.3 80.0 50.3 REMARK 620 6 HOH A1107 O 82.3 96.7 73.1 69.6 82.4 REMARK 620 7 HOH A1091 O 120.4 75.8 124.5 82.1 79.8 151.7 REMARK 620 8 HOH A1108 O 80.6 113.2 68.1 141.0 100.5 139.8 65.7 REMARK 620 N 1 2 3 4 5 6 7 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AVE REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: ACTIVE SITE. REMARK 800 SITE_IDENTIFIER: CDE REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CHLORIDE IS AN ACTIVATOR FOR THIS ENZYME. REMARK 800 SITE_IDENTIFIER: CUM REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CALCIUM. REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 900 DBREF 1AQH A 1 453 UNP P29957 AMY_ALTHA 25 477 SEQRES 1 A 453 THR PRO THR THR PHE VAL HIS LEU PHE GLU TRP ASN TRP SEQRES 2 A 453 GLN ASP VAL ALA GLN GLU CYS GLU GLN TYR LEU GLY PRO SEQRES 3 A 453 LYS GLY TYR ALA ALA VAL GLN VAL SER PRO PRO ASN GLU SEQRES 4 A 453 HIS ILE THR GLY SER GLN TRP TRP THR ARG TYR GLN PRO SEQRES 5 A 453 VAL SER TYR GLU LEU GLN SER ARG GLY GLY ASN ARG ALA SEQRES 6 A 453 GLN PHE ILE ASP MET VAL ASN ARG CYS SER ALA ALA GLY SEQRES 7 A 453 VAL ASP ILE TYR VAL ASP THR LEU ILE ASN HIS MET ALA SEQRES 8 A 453 ALA GLY SER GLY THR GLY THR ALA GLY ASN SER PHE GLY SEQRES 9 A 453 ASN LYS SER PHE PRO ILE TYR SER PRO GLN ASP PHE HIS SEQRES 10 A 453 GLU SER CYS THR ILE ASN ASN SER ASP TYR GLY ASN ASP SEQRES 11 A 453 ARG TYR ARG VAL GLN ASN CYS GLU LEU VAL GLY LEU ALA SEQRES 12 A 453 ASP LEU ASP THR ALA SER ASN TYR VAL GLN ASN THR ILE SEQRES 13 A 453 ALA ALA TYR ILE ASN ASP LEU GLN ALA ILE GLY VAL LYS SEQRES 14 A 453 GLY PHE ARG PHE ASP ALA SER LYS HIS VAL ALA ALA SER SEQRES 15 A 453 ASP ILE GLN SER LEU MET ALA LYS VAL ASN GLY SER PRO SEQRES 16 A 453 VAL VAL PHE GLN GLU VAL ILE ASP GLN GLY GLY GLU ALA SEQRES 17 A 453 VAL GLY ALA SER GLU TYR LEU SER THR GLY LEU VAL THR SEQRES 18 A 453 GLU PHE LYS TYR SER THR GLU LEU GLY ASN THR PHE ARG SEQRES 19 A 453 ASN GLY SER LEU ALA TRP LEU SER ASN PHE GLY GLU GLY SEQRES 20 A 453 TRP GLY PHE MET PRO SER SER SER ALA VAL VAL PHE VAL SEQRES 21 A 453 ASP ASN HIS ASP ASN GLN ARG GLY HIS GLY GLY ALA GLY SEQRES 22 A 453 ASN VAL ILE THR PHE GLU ASP GLY ARG LEU TYR ASP LEU SEQRES 23 A 453 ALA ASN VAL PHE MET LEU ALA TYR PRO TYR GLY TYR PRO SEQRES 24 A 453 LYS VAL MET SER SER TYR ASP PHE HIS GLY ASP THR ASP SEQRES 25 A 453 ALA GLY GLY PRO ASN VAL PRO VAL HIS ASN ASN GLY ASN SEQRES 26 A 453 LEU GLU CYS PHE ALA SER ASN TRP LYS CYS GLU HIS ARG SEQRES 27 A 453 TRP SER TYR ILE ALA GLY GLY VAL ASP PHE ARG ASN ASN SEQRES 28 A 453 THR ALA ASP ASN TRP ALA VAL THR ASN TRP TRP ASP ASN SEQRES 29 A 453 THR ASN ASN GLN ILE SER PHE GLY ARG GLY SER SER GLY SEQRES 30 A 453 HIS MET ALA ILE ASN LYS GLU ASP SER THR LEU THR ALA SEQRES 31 A 453 THR VAL GLN THR ASP MET ALA SER GLY GLN TYR CYS ASN SEQRES 32 A 453 VAL LEU LYS GLY GLU LEU SER ALA ASP ALA LYS SER CYS SEQRES 33 A 453 SER GLY GLU VAL ILE THR VAL ASN SER ASP GLY THR ILE SEQRES 34 A 453 ASN LEU ASN ILE GLY ALA TRP ASP ALA MET ALA ILE HIS SEQRES 35 A 453 LYS ASN ALA LYS LEU ASN THR SER SER ALA SER HET CA A 800 1 HET CL A 900 1 HETNAM CA CALCIUM ION HETNAM CL CHLORIDE ION FORMUL 2 CA CA 2+ FORMUL 3 CL CL 1- FORMUL 4 HOH *224(H2 O) HELIX 1 1 TRP A 13 GLN A 22 1 10 HELIX 2 2 LEU A 24 LYS A 27 1 4 HELIX 3 3 TRP A 46 TYR A 50 5 5 HELIX 4 4 ARG A 64 ALA A 76 1 13 HELIX 5 5 PRO A 113 ASP A 115 5 3 HELIX 6 6 ASN A 124 ASN A 129 5 6 HELIX 7 7 ARG A 131 ASN A 136 1 6 HELIX 8 8 ASN A 150 ILE A 166 1 17 HELIX 9 9 SER A 176 HIS A 178 5 3 HELIX 10 10 ALA A 181 LYS A 190 1 10 HELIX 11 11 ALA A 211 TYR A 214 5 4 HELIX 12 12 PHE A 223 ASN A 235 1 13 HELIX 13 13 LEU A 238 ASN A 243 5 6 HELIX 14 14 GLU A 246 TRP A 248 5 3 HELIX 15 15 SER A 253 SER A 255 5 3 HELIX 16 16 ASN A 265 ARG A 267 5 3 HELIX 17 17 PHE A 278 ALA A 293 5 16 HELIX 18 18 GLU A 336 ARG A 338 5 3 HELIX 19 19 SER A 340 ASN A 351 1 12 HELIX 20 20 GLY A 374 SER A 376 5 3 SHEET 1 A 6 LYS A 300 SER A 303 0 SHEET 2 A 6 PHE A 5 LEU A 8 1 N PHE A 5 O VAL A 301 SHEET 3 A 6 ALA A 31 VAL A 34 1 N ALA A 31 O VAL A 6 SHEET 4 A 6 ASP A 80 LEU A 86 1 N ASP A 80 O VAL A 32 SHEET 5 A 6 GLY A 170 ASP A 174 1 N GLY A 170 O VAL A 83 SHEET 6 A 6 VAL A 196 GLN A 199 1 N VAL A 196 O PHE A 171 SHEET 1 B 2 SER A 94 THR A 96 0 SHEET 2 B 2 SER A 102 GLY A 104 -1 N PHE A 103 O GLY A 95 SHEET 1 C 3 GLN A 368 GLY A 372 0 SHEET 2 C 3 GLY A 377 ASN A 382 -1 N ILE A 381 O ILE A 369 SHEET 3 C 3 ASP A 437 HIS A 442 -1 N ILE A 441 O HIS A 378 SHEET 1 D 2 THR A 391 GLN A 393 0 SHEET 2 D 2 THR A 428 ASN A 430 -1 N ILE A 429 O VAL A 392 SHEET 1 E 2 GLY A 399 CYS A 402 0 SHEET 2 E 2 VAL A 420 VAL A 423 -1 N VAL A 423 O GLY A 399 SSBOND 1 CYS A 20 CYS A 74 1555 1555 2.03 SSBOND 2 CYS A 120 CYS A 137 1555 1555 2.03 SSBOND 3 CYS A 328 CYS A 335 1555 1555 2.04 SSBOND 4 CYS A 402 CYS A 416 1555 1555 2.03 LINK CA CA A 800 O HIS A 178 1555 1555 2.40 LINK CA CA A 800 OD1 ASN A 88 1555 1555 2.45 LINK CA CA A 800 O GLN A 135 1555 1555 2.69 LINK CA CA A 800 OD1 ASP A 144 1555 1555 2.57 LINK CA CA A 800 OD2 ASP A 144 1555 1555 2.56 LINK CA CA A 800 O HOH A1107 1555 1555 2.66 LINK CA CA A 800 O HOH A1091 1555 1555 2.45 LINK CA CA A 800 O HOH A1108 1555 1555 2.52 SITE 1 AVE 3 ASP A 174 GLU A 200 ASP A 264 SITE 1 CDE 4 ARG A 172 LYS A 300 ASN A 262 HOH A1003 SITE 1 CUM 7 ASN A 88 ASP A 144 GLN A 135 HIS A 178 SITE 2 CUM 7 HOH A1108 HOH A1091 HOH A1107 SITE 1 AC1 7 ASN A 88 GLN A 135 ASP A 144 HIS A 178 SITE 2 AC1 7 HOH A1091 HOH A1107 HOH A1108 SITE 1 AC2 3 ARG A 172 ASN A 262 LYS A 300 CRYST1 71.400 138.700 115.700 90.00 90.00 90.00 C 2 2 21 8 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 0.014006 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007210 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008643 0.00000