HEADER HYDROLASE 17-AUG-92 1MBL TITLE A CATALYTICALLY-IMPAIRED CLASS A BETA-LACTAMASE: 2 ANGSTROMS CRYSTAL TITLE 2 STRUCTURE AND KINETICS OF THE BACILLUS LICHENIFORMIS E166A MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 3.5.2.6; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS LICHENIFORMIS; SOURCE 3 ORGANISM_TAXID: 1402 KEYWDS HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR J.R.KNOX,P.C.MOEWS REVDAT 6 14-FEB-24 1MBL 1 REMARK SEQADV REVDAT 5 29-NOV-17 1MBL 1 HELIX REVDAT 4 30-NOV-11 1MBL 1 SEQADV VERSN REVDAT 3 24-FEB-09 1MBL 1 VERSN REVDAT 2 01-APR-03 1MBL 1 JRNL REVDAT 1 31-JAN-94 1MBL 0 JRNL AUTH J.R.KNOX,P.C.MOEWS,W.A.ESCOBAR,A.L.FINK JRNL TITL A CATALYTICALLY-IMPAIRED CLASS A BETA-LACTAMASE: 2 A CRYSTAL JRNL TITL 2 STRUCTURE AND KINETICS OF THE BACILLUS LICHENIFORMIS E166A JRNL TITL 3 MUTANT. JRNL REF PROTEIN ENG. V. 6 11 1993 JRNL REFN ISSN 0269-2139 JRNL PMID 8433965 JRNL DOI 10.1093/PROTEIN/6.1.11 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.R.KNOX REMARK 1 TITL CRYSTALLOGRAPHY OF PENICILLIN-BINDING ENZYMES REMARK 1 EDIT P.H.BENTLEY, R.PONSFORD REMARK 1 REF RECENT ADVANCES IN THE 36 1993 REMARK 1 REF 2 CHEMISTRY OF ANTI-INFECTIVE REMARK 1 REF 3 AGENTS REMARK 1 REF 4 (SPEC.PUBL.R.SOC.CHEM.,NO. REMARK 1 REF 5 119) REMARK 1 PUBL ROYAL SOCIETY OF CHEMISTRY, CAMBRIDGE, UK REMARK 1 REFN REMARK 1 REFERENCE 2 REMARK 1 AUTH J.R.KNOX,P.C.MOEWS REMARK 1 TITL BETA-LACTAMASE OF BACILLUS LICHENIFORMIS 749C: REFINEMENT AT REMARK 1 TITL 2 2 ANGSTROMS RESOLUTION AND ANALYSIS OF HYDRATION REMARK 1 REF J.MOL.BIOL. V. 220 435 1991 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 28031 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.182 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 FIT/AGREEMENT OF MODEL WITH ALL DATA. 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 : 4000 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 579 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.005 ; NULL REMARK 3 ANGLE DISTANCE (A) : 1.500 ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1MBL 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_1000174927. 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 (%): 47.81 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.36 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 47.05000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 300 REMARK: THE TRANSFORMATION PRESENTED ON *MTRIX* RECORDS BELOW WILL REMARK 300 YIELD APPROXIMATE COORDINATES FOR CHAIN *B* WHEN APPLIED TO REMARK 300 CHAIN *A*. 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B 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 O THR A 71 O HOH A 1165 2.12 REMARK 500 O LEU B 261 O HOH B 1142 2.18 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 CA ASP A 227 O HOH A 973 2656 1.30 REMARK 500 N TRP A 251 O HOH A 1100 2656 1.39 REMARK 500 CG2 THR B 118 O HOH A 890 2656 1.39 REMARK 500 C ILE A 250 O HOH A 1100 2656 1.46 REMARK 500 CB ASP A 227 O HOH A 878 2656 1.54 REMARK 500 CA ILE A 250 O HOH A 1100 2656 1.67 REMARK 500 CB THR B 118 O HOH A 890 2656 1.71 REMARK 500 CA THR B 118 O HOH A 890 2656 1.86 REMARK 500 CB ASP A 227 O HOH A 973 2656 2.01 REMARK 500 OE1 GLN B 178 O HOH A 826 2656 2.05 REMARK 500 OD2 ASP B 197 O HOH B 1103 1554 2.07 REMARK 500 CG ASN B 161 O HOH A 736 2656 2.12 REMARK 500 NE2 GLN B 141 O HOH A 843 2656 2.15 REMARK 500 OD1 ASP B 114 O HOH A 1034 2656 2.16 REMARK 500 OD1 ASP B 101 O HOH A 930 2656 2.16 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 ALA A 69 -142.47 63.10 REMARK 500 VAL A 103 -131.30 -114.03 REMARK 500 GLU A 163 -28.88 -146.59 REMARK 500 GLU A 196 -154.60 -97.44 REMARK 500 LEU A 220 -123.57 -101.24 REMARK 500 TYR B 60 104.53 -160.89 REMARK 500 ALA B 69 -146.64 58.70 REMARK 500 VAL B 103 -139.21 -114.99 REMARK 500 GLU B 163 -35.79 -139.18 REMARK 500 GLU B 196 -149.81 -109.70 REMARK 500 LEU B 220 -120.59 -108.46 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CTA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: CTB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 598 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 599 DBREF 1MBL A 31 291 UNP P00808 BLAC_BACLI 48 303 DBREF 1MBL B 31 291 UNP P00808 BLAC_BACLI 48 303 SEQADV 1MBL ALA A 166 UNP P00808 GLU 180 ENGINEERED MUTATION SEQADV 1MBL ALA B 166 UNP P00808 GLU 180 ENGINEERED MUTATION SEQRES 1 A 256 ASP ASP PHE ALA LYS LEU GLU GLU GLN PHE ASP ALA LYS SEQRES 2 A 256 LEU GLY ILE PHE ALA LEU ASP THR GLY THR ASN ARG THR SEQRES 3 A 256 VAL ALA TYR ARG PRO ASP GLU ARG PHE ALA PHE ALA SER SEQRES 4 A 256 THR ILE LYS ALA LEU THR VAL GLY VAL LEU LEU GLN GLN SEQRES 5 A 256 LYS SER ILE GLU ASP LEU ASN GLN ARG ILE THR TYR THR SEQRES 6 A 256 ARG ASP ASP LEU VAL ASN TYR ASN PRO ILE THR GLU LYS SEQRES 7 A 256 HIS VAL ASP THR GLY MET THR LEU LYS GLU LEU ALA ASP SEQRES 8 A 256 ALA SER LEU ARG TYR SER ASP ASN ALA ALA GLN ASN LEU SEQRES 9 A 256 ILE LEU LYS GLN ILE GLY GLY PRO GLU SER LEU LYS LYS SEQRES 10 A 256 GLU LEU ARG LYS ILE GLY ASP GLU VAL THR ASN PRO GLU SEQRES 11 A 256 ARG PHE ALA PRO GLU LEU ASN GLU VAL ASN PRO GLY GLU SEQRES 12 A 256 THR GLN ASP THR SER THR ALA ARG ALA LEU VAL THR SER SEQRES 13 A 256 LEU ARG ALA PHE ALA LEU GLU ASP LYS LEU PRO SER GLU SEQRES 14 A 256 LYS ARG GLU LEU LEU ILE ASP TRP MET LYS ARG ASN THR SEQRES 15 A 256 THR GLY ASP ALA LEU ILE ARG ALA GLY VAL PRO ASP GLY SEQRES 16 A 256 TRP GLU VAL ALA ASP LYS THR GLY ALA ALA SER TYR GLY SEQRES 17 A 256 THR ARG ASN ASP ILE ALA ILE ILE TRP PRO PRO LYS GLY SEQRES 18 A 256 ASP PRO VAL VAL LEU ALA VAL LEU SER SER ARG ASP LYS SEQRES 19 A 256 LYS ASP ALA LYS TYR ASP ASP LYS LEU ILE ALA GLU ALA SEQRES 20 A 256 THR LYS VAL VAL MET LYS ALA LEU ASN SEQRES 1 B 256 ASP ASP PHE ALA LYS LEU GLU GLU GLN PHE ASP ALA LYS SEQRES 2 B 256 LEU GLY ILE PHE ALA LEU ASP THR GLY THR ASN ARG THR SEQRES 3 B 256 VAL ALA TYR ARG PRO ASP GLU ARG PHE ALA PHE ALA SER SEQRES 4 B 256 THR ILE LYS ALA LEU THR VAL GLY VAL LEU LEU GLN GLN SEQRES 5 B 256 LYS SER ILE GLU ASP LEU ASN GLN ARG ILE THR TYR THR SEQRES 6 B 256 ARG ASP ASP LEU VAL ASN TYR ASN PRO ILE THR GLU LYS SEQRES 7 B 256 HIS VAL ASP THR GLY MET THR LEU LYS GLU LEU ALA ASP SEQRES 8 B 256 ALA SER LEU ARG TYR SER ASP ASN ALA ALA GLN ASN LEU SEQRES 9 B 256 ILE LEU LYS GLN ILE GLY GLY PRO GLU SER LEU LYS LYS SEQRES 10 B 256 GLU LEU ARG LYS ILE GLY ASP GLU VAL THR ASN PRO GLU SEQRES 11 B 256 ARG PHE ALA PRO GLU LEU ASN GLU VAL ASN PRO GLY GLU SEQRES 12 B 256 THR GLN ASP THR SER THR ALA ARG ALA LEU VAL THR SER SEQRES 13 B 256 LEU ARG ALA PHE ALA LEU GLU ASP LYS LEU PRO SER GLU SEQRES 14 B 256 LYS ARG GLU LEU LEU ILE ASP TRP MET LYS ARG ASN THR SEQRES 15 B 256 THR GLY ASP ALA LEU ILE ARG ALA GLY VAL PRO ASP GLY SEQRES 16 B 256 TRP GLU VAL ALA ASP LYS THR GLY ALA ALA SER TYR GLY SEQRES 17 B 256 THR ARG ASN ASP ILE ALA ILE ILE TRP PRO PRO LYS GLY SEQRES 18 B 256 ASP PRO VAL VAL LEU ALA VAL LEU SER SER ARG ASP LYS SEQRES 19 B 256 LYS ASP ALA LYS TYR ASP ASP LYS LEU ILE ALA GLU ALA SEQRES 20 B 256 THR LYS VAL VAL MET LYS ALA LEU ASN HET SO4 A 598 5 HET SO4 B 599 5 HETNAM SO4 SULFATE ION FORMUL 3 SO4 2(O4 S 2-) FORMUL 5 HOH *579(H2 O) HELIX 1 A2 SER A 70 LYS A 86 1 15 HELIX 2 A2S SER A 87 ASN A 92 1SINGLE TURN ONLY 6 HELIX 3 A3 ASN A 106 HIS A 112 1 7 HELIX 4 A4 LYS A 120 TYR A 129 1 10 HELIX 5 A5 ASP A 131 ILE A 142 1 12 HELIX 6 A6 GLY A 144 LYS A 154 1 11 HELIX 7 A7 ALA A 166 VAL A 172 1 7 HELIX 8 A8 ARG A 184 GLU A 196 1 13 HELIX 9 A9 SER A 201 LYS A 212 1 12 HELIX 10 A10 ASP A 218 VAL A 225 1 8 HELIX 11 A11 ASP A 276 ASN A 291 1 16 HELIX 12 B2 SER B 70 LYS B 86 1 15 HELIX 13 B2S SER B 87 ASN B 92 1SINGLE TURN ONLY 6 HELIX 14 B3 ASN B 106 HIS B 112 1 7 HELIX 15 B4 LYS B 120 TYR B 129 1 10 HELIX 16 B5 ASP B 131 ILE B 142 1 12 HELIX 17 B6 GLY B 144 LYS B 154 1 11 HELIX 18 B7 ALA B 166 VAL B 172 1 7 HELIX 19 B8 ARG B 184 GLU B 196 1 13 HELIX 20 B9 SER B 201 LYS B 212 1 12 HELIX 21 B10 ASP B 218 VAL B 225 1 8 HELIX 22 B11 ASP B 276 ASN B 291 1 16 SHEET 1 A1 5 ASN A 54 TYR A 60 0 SHEET 2 A1 5 LYS A 43 THR A 51 -1 N ALA A 48 O VAL A 57 SHEET 3 A1 5 ASP A 257 ASP A 268 1 N ALA A 262 O PHE A 47 SHEET 4 A1 5 GLY A 242 PRO A 252 -1 N ALA A 248 O LEU A 261 SHEET 5 A1 5 TRP A 229 SER A 240 1 N LYS A 234 O ILE A 247 SHEET 1 A2 3 ASP A 63 PHE A 66 0 SHEET 2 A2 3 GLN A 178 ALA A 183 -1 N SER A 181 O PHE A 66 SHEET 3 A2 3 VAL A 159 GLU A 163 1 N ASN A 161 O THR A 180 SHEET 1 B1 5 ASN B 54 TYR B 60 0 SHEET 2 B1 5 LYS B 43 THR B 51 -1 N ALA B 48 O VAL B 57 SHEET 3 B1 5 ASP B 257 ASP B 268 1 N ALA B 262 O PHE B 47 SHEET 4 B1 5 GLY B 242 PRO B 252 -1 N ALA B 248 O LEU B 261 SHEET 5 B1 5 TRP B 229 SER B 240 1 N LYS B 234 O ILE B 247 SHEET 1 B2 3 ASP B 63 PHE B 66 0 SHEET 2 B2 3 GLN B 178 ALA B 183 -1 N SER B 181 O PHE B 66 SHEET 3 B2 3 VAL B 159 GLU B 163 1 N ASN B 161 O THR B 180 CISPEP 1 ALA A 166 PRO A 167 0 1.00 CISPEP 2 ALA B 166 PRO B 167 0 0.42 SITE 1 CTA 5 SER A 70 LYS A 73 LYS A 234 THR A 235 SITE 2 CTA 5 SER A 130 SITE 1 CTB 5 SER B 70 LYS B 73 LYS B 234 THR B 235 SITE 2 CTB 5 SER B 130 SITE 1 AC1 9 SER A 70 SER A 130 LYS A 234 THR A 235 SITE 2 AC1 9 GLY A 236 ALA A 237 ARG A 244 HOH A 690 SITE 3 AC1 9 HOH A 902 SITE 1 AC2 8 SER B 70 SER B 130 THR B 216 THR B 235 SITE 2 AC2 8 GLY B 236 ALA B 237 ARG B 244 HOH B 794 CRYST1 67.200 94.100 43.800 90.00 104.50 90.00 P 1 21 1 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 0.014881 0.000000 0.003848 0.00000 SCALE2 0.000000 0.010627 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023582 0.00000 MTRIX1 1 -0.876177 -0.033827 -0.480802 62.94580 1 MTRIX2 1 0.034703 -0.999373 0.007071 177.21471 1 MTRIX3 1 -0.480739 -0.010489 0.876801 10.85280 1