HEADER HYDROLASE 03-NOV-00 1G6A TITLE PSE-4 CARBENICILLINASE, R234K MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMASE PSE-4; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CARBENICILLINASE 1; COMPND 5 EC: 3.5.2.6; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PSEUDOMONAS AERUGINOSA; SOURCE 3 ORGANISM_TAXID: 287; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21 LAMDADE3; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET30A KEYWDS CLASS A BETA-LACTAMASE, CARBENICILLINASE, R234K MUTANT, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR D.LIM,F.SANSCHAGRIN,L.PASSMORE,L.DE CASTRO,R.C.LEVESQUE, AUTHOR 2 N.C.J.STRYNADKA REVDAT 5 09-AUG-23 1G6A 1 REMARK REVDAT 4 27-OCT-21 1G6A 1 REMARK SEQADV REVDAT 3 24-FEB-09 1G6A 1 VERSN REVDAT 2 01-APR-03 1G6A 1 JRNL REVDAT 1 21-FEB-01 1G6A 0 JRNL AUTH D.LIM,F.SANSCHAGRIN,L.PASSMORE,L.DE CASTRO,R.C.LEVESQUE, JRNL AUTH 2 N.C.STRYNADKA JRNL TITL INSIGHTS INTO THE MOLECULAR BASIS FOR THE CARBENICILLINASE JRNL TITL 2 ACTIVITY OF PSE-4 BETA-LACTAMASE FROM CRYSTALLOGRAPHIC AND JRNL TITL 3 KINETIC STUDIES. JRNL REF BIOCHEMISTRY V. 40 395 2001 JRNL REFN ISSN 0006-2960 JRNL PMID 11148033 JRNL DOI 10.1021/BI001653V REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 23.05 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1748067.930 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 29371 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) : 0.178 REMARK 3 FREE R VALUE : 0.209 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1443 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.75 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.86 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 4508 REMARK 3 BIN R VALUE (WORKING SET) : 0.2420 REMARK 3 BIN FREE R VALUE : 0.2490 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.40 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 257 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.016 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2036 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 258 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.91000 REMARK 3 B22 (A**2) : -2.91000 REMARK 3 B33 (A**2) : 5.82000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.17 REMARK 3 ESD FROM SIGMAA (A) : 0.13 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.13 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.970 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.190 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.680 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.040 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.990 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.41 REMARK 3 BSOL : 59.79 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER_REP.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1G6A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-NOV-00. REMARK 100 THE DEPOSITION ID IS D_1000012286. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-AUG-00 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.5 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : OSMIC MIRRORS REMARK 200 OPTICS : OSMIC MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 29406 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 5.500 REMARK 200 R MERGE (I) : 0.05600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 25.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.81 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.6 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : 0.35900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: DIRECT REFINEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PSE-4 WILD TYPE STRUCTURE (1G68) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.66 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, SODIUM ACETATE, PH REMARK 280 4.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 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 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 31.33900 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 47.51650 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 47.51650 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 15.66950 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 47.51650 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 47.51650 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 47.00850 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 47.51650 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 47.51650 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 15.66950 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 47.51650 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 47.51650 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 47.00850 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 31.33900 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 616 LIES ON A SPECIAL POSITION. 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 SER A 22 REMARK 465 SER A 23 REMARK 465 GLN A 293 REMARK 465 SER A 294 REMARK 465 ARG A 295 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 O HOH A 531 O HOH A 645 2.07 REMARK 500 OG SER A 188 O HOH A 612 2.17 REMARK 500 OG SER A 140 O HOH A 415 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 609 O HOH A 609 8664 0.98 REMARK 500 O HOH A 615 O HOH A 615 8665 1.06 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 THR A 69 -141.01 47.61 REMARK 500 TYR A 105 81.30 57.43 REMARK 500 LEU A 220 -127.38 -106.08 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 SO4 A 400 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1G68 RELATED DB: PDB REMARK 900 PSE-4 CARBENICILLINASE, WILD TYPE DBREF 1G6A A 22 295 UNP P16897 BLP4_PSEAE 18 288 SEQADV 1G6A LYS A 234 UNP P16897 ARG 229 ENGINEERED MUTATION SEQRES 1 A 271 SER SER SER LYS PHE GLN GLN VAL GLU GLN ASP VAL LYS SEQRES 2 A 271 ALA ILE GLU VAL SER LEU SER ALA ARG ILE GLY VAL SER SEQRES 3 A 271 VAL LEU ASP THR GLN ASN GLY GLU TYR TRP ASP TYR ASN SEQRES 4 A 271 GLY ASN GLN ARG PHE PRO LEU THR SER THR PHE LYS THR SEQRES 5 A 271 ILE ALA CYS ALA LYS LEU LEU TYR ASP ALA GLU GLN GLY SEQRES 6 A 271 LYS VAL ASN PRO ASN SER THR VAL GLU ILE LYS LYS ALA SEQRES 7 A 271 ASP LEU VAL THR TYR SER PRO VAL ILE GLU LYS GLN VAL SEQRES 8 A 271 GLY GLN ALA ILE THR LEU ASP ASP ALA CYS PHE ALA THR SEQRES 9 A 271 MET THR THR SER ASP ASN THR ALA ALA ASN ILE ILE LEU SEQRES 10 A 271 SER ALA VAL GLY GLY PRO LYS GLY VAL THR ASP PHE LEU SEQRES 11 A 271 ARG GLN ILE GLY ASP LYS GLU THR ARG LEU ASP ARG ILE SEQRES 12 A 271 GLU PRO ASP LEU ASN GLU GLY LYS LEU GLY ASP LEU ARG SEQRES 13 A 271 ASP THR THR THR PRO LYS ALA ILE ALA SER THR LEU ASN SEQRES 14 A 271 LYS PHE LEU PHE GLY SER ALA LEU SER GLU MET ASN GLN SEQRES 15 A 271 LYS LYS LEU GLU SER TRP MET VAL ASN ASN GLN VAL THR SEQRES 16 A 271 GLY ASN LEU LEU ARG SER VAL LEU PRO ALA GLY TRP ASN SEQRES 17 A 271 ILE ALA ASP LYS SER GLY ALA GLY GLY PHE GLY ALA ARG SEQRES 18 A 271 SER ILE THR ALA VAL VAL TRP SER GLU HIS GLN ALA PRO SEQRES 19 A 271 ILE ILE VAL SER ILE TYR LEU ALA GLN THR GLN ALA SER SEQRES 20 A 271 MET GLU GLU ARG ASN ASP ALA ILE VAL LYS ILE GLY HIS SEQRES 21 A 271 SER ILE PHE ASP VAL TYR THR SER GLN SER ARG HET SO4 A 400 5 HETNAM SO4 SULFATE ION FORMUL 2 SO4 O4 S 2- FORMUL 3 HOH *258(H2 O) HELIX 1 1 PHE A 26 LEU A 40 1 15 HELIX 2 2 THR A 69 THR A 71 5 3 HELIX 3 3 PHE A 72 GLN A 86 1 15 HELIX 4 4 LYS A 98 LEU A 102 5 5 HELIX 5 5 VAL A 108 GLN A 112 5 5 HELIX 6 6 LEU A 119 SER A 130 1 12 HELIX 7 7 ASP A 131 VAL A 142 1 12 HELIX 8 8 GLY A 143 ILE A 155 1 13 HELIX 9 9 PRO A 167 GLU A 171 5 5 HELIX 10 10 THR A 182 GLY A 196 1 15 HELIX 11 11 SER A 200 ASN A 213 1 14 HELIX 12 12 LEU A 220 LEU A 225 5 6 HELIX 13 13 GLY A 240 GLY A 242 5 3 HELIX 14 14 SER A 271 SER A 292 1 22 SHEET 1 A 5 GLU A 55 TYR A 60 0 SHEET 2 A 5 ARG A 43 ASP A 50 -1 N VAL A 46 O TYR A 60 SHEET 3 A 5 GLN A 256 ALA A 266 -1 N ILE A 260 O LEU A 49 SHEET 4 A 5 ARG A 244 SER A 252 -1 O ARG A 244 N LEU A 265 SHEET 5 A 5 ASN A 230 ALA A 237 -1 N ASN A 230 O TRP A 251 SHEET 1 B 2 PHE A 66 PRO A 67 0 SHEET 2 B 2 THR A 180 THR A 181 -1 O THR A 181 N PHE A 66 SHEET 1 C 2 THR A 94 GLU A 96 0 SHEET 2 C 2 ALA A 116 THR A 118 -1 N ILE A 117 O VAL A 95 SSBOND 1 CYS A 77 CYS A 123 1555 1555 2.06 CISPEP 1 GLU A 166 PRO A 167 0 0.48 SITE 1 AC1 9 SER A 70 SER A 130 SER A 235 GLY A 236 SITE 2 AC1 9 ALA A 237 HOH A 501 HOH A 532 HOH A 657 SITE 3 AC1 9 HOH A 658 CRYST1 95.033 95.033 62.678 90.00 90.00 90.00 P 41 21 2 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 0.010523 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010523 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015955 0.00000