HEADER HYDROLASE 30-MAY-02 1LW6 TITLE CRYSTAL STRUCTURE OF THE COMPLEX OF SUBTILISIN BPN' WITH CHYMOTRYPSIN TITLE 2 INHIBITOR 2 AT 1.5 ANGSTROM RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: SUBTILISIN BPN'; COMPND 3 CHAIN: E; COMPND 4 SYNONYM: SUBTILISIN NOVO, ALKALINE PROTEASE; COMPND 5 EC: 3.4.21.62; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: SUBTILISIN-CHYMOTRYPSIN INHIBITOR-2A; COMPND 9 CHAIN: I; COMPND 10 SYNONYM: CI-2A; COMPND 11 ENGINEERED: YES; COMPND 12 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS AMYLOLIQUEFACIENS; SOURCE 3 ORGANISM_TAXID: 1390; SOURCE 4 EXPRESSION_SYSTEM: BACILLUS SUBTILIS; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 1423; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BG2036; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PSER25; SOURCE 9 MOL_ID: 2; SOURCE 10 ORGANISM_SCIENTIFIC: HORDEUM VULGARE; SOURCE 11 ORGANISM_TAXID: 4513; SOURCE 12 STRAIN: HIPROLY; SOURCE 13 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 14 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 15 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 16 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 17 EXPRESSION_SYSTEM_PLASMID: PCI2ER1 KEYWDS SERINE PROTEASE, INHIBITOR, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR E.S.RADISKY,D.E.KOSHLAND JR. REVDAT 7 14-FEB-24 1LW6 1 REMARK REVDAT 6 27-OCT-21 1LW6 1 REMARK SEQADV LINK REVDAT 5 24-JUL-19 1LW6 1 REMARK REVDAT 4 11-OCT-17 1LW6 1 REMARK REVDAT 3 24-FEB-09 1LW6 1 VERSN REVDAT 2 01-APR-03 1LW6 1 JRNL REVDAT 1 21-AUG-02 1LW6 0 JRNL AUTH E.S.RADISKY,D.E.KOSHLAND JR. JRNL TITL A CLOGGED GUTTER MECHANISM FOR PROTEASE INHIBITORS. JRNL REF PROC.NATL.ACAD.SCI.USA V. 99 10316 2002 JRNL REFN ISSN 0027-8424 JRNL PMID 12142461 JRNL DOI 10.1073/PNAS.112332899 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.66 REMARK 3 DATA CUTOFF (SIGMA(F)) : -3.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.8 REMARK 3 NUMBER OF REFLECTIONS : 57374 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 + TEST SET) : 0.170 REMARK 3 R VALUE (WORKING SET) : 0.169 REMARK 3 FREE R VALUE : 0.188 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2889 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2499 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 21 REMARK 3 SOLVENT ATOMS : 505 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 12.71 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; 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 1LW6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-JUN-02. REMARK 100 THE DEPOSITION ID IS D_1000016336. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-JUL-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA, TRUNCATE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 57374 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 29.660 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.8 REMARK 200 DATA REDUNDANCY : 6.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07200 REMARK 200 FOR THE DATA SET : 15.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.58 REMARK 200 COMPLETENESS FOR SHELL (%) : 88.9 REMARK 200 DATA REDUNDANCY IN SHELL : 5.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.34000 REMARK 200 FOR SHELL : 4.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 2SNI REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.91 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.56 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, AMMONIUM SULFATE, SODIUM REMARK 280 CACODYLATE, PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 27.16600 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 59.31750 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.29850 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 59.31750 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.16600 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.29850 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2310 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13210 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -58.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, I 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 MET I 20 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 SER E 145 CB SER E 145 OG -0.139 REMARK 500 GLU E 251 CD GLU E 251 OE2 0.074 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 TYR E 167 CA - C - O ANGL. DEV. = -12.8 DEGREES REMARK 500 PRO E 168 N - CA - CB ANGL. DEV. = 7.6 DEGREES REMARK 500 ARG E 186 NE - CZ - NH1 ANGL. DEV. = -5.2 DEGREES REMARK 500 ARG E 186 NE - CZ - NH2 ANGL. DEV. = 3.4 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 ASP E 32 -147.61 -166.12 REMARK 500 SER E 63 -23.84 111.64 REMARK 500 ALA E 73 28.94 -149.31 REMARK 500 ASN E 77 -151.74 -158.15 REMARK 500 VAL E 81 -168.38 -116.39 REMARK 500 SER E 159 79.61 -152.21 REMARK 500 LEU E 257 -124.68 -118.27 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 TYR E 167 PRO E 168 44.23 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 TYR E 167 18.47 REMARK 500 REMARK 500 REMARK: NULL 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 E 300 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN E 2 OE1 REMARK 620 2 ASP E 41 OD1 154.9 REMARK 620 3 ASP E 41 OD2 154.1 50.4 REMARK 620 4 LEU E 75 O 78.5 108.2 86.3 REMARK 620 5 ASN E 77 OD1 79.8 123.5 79.0 89.1 REMARK 620 6 ILE E 79 O 90.3 86.9 99.4 163.7 77.2 REMARK 620 7 VAL E 81 O 78.5 77.5 122.7 89.7 158.1 99.8 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA E 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 E 602 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 E 603 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 E 604 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 E 605 DBREF 1LW6 E 1 275 UNP P00782 SUBT_BACAM 108 382 DBREF 1LW6 I 21 83 UNP P01053 ICI2_HORVU 21 83 SEQADV 1LW6 HIS E 276 UNP P00782 EXPRESSION TAG SEQADV 1LW6 HIS E 277 UNP P00782 EXPRESSION TAG SEQADV 1LW6 HIS E 278 UNP P00782 EXPRESSION TAG SEQADV 1LW6 HIS E 279 UNP P00782 EXPRESSION TAG SEQADV 1LW6 HIS E 280 UNP P00782 EXPRESSION TAG SEQADV 1LW6 HIS E 281 UNP P00782 EXPRESSION TAG SEQADV 1LW6 MET I 20 UNP P01053 INITIATING METHIONINE SEQADV 1LW6 ALA I 45 UNP P01053 GLU 45 ENGINEERED MUTATION SEQRES 1 E 281 ALA GLN SER VAL PRO TYR GLY VAL SER GLN ILE LYS ALA SEQRES 2 E 281 PRO ALA LEU HIS SER GLN GLY TYR THR GLY SER ASN VAL SEQRES 3 E 281 LYS VAL ALA VAL ILE ASP SER GLY ILE ASP SER SER HIS SEQRES 4 E 281 PRO ASP LEU LYS VAL ALA GLY GLY ALA SER MET VAL PRO SEQRES 5 E 281 SER GLU THR ASN PRO PHE GLN ASP ASN ASN SER HIS GLY SEQRES 6 E 281 THR HIS VAL ALA GLY THR VAL ALA ALA LEU ASN ASN SER SEQRES 7 E 281 ILE GLY VAL LEU GLY VAL ALA PRO SER ALA SER LEU TYR SEQRES 8 E 281 ALA VAL LYS VAL LEU GLY ALA ASP GLY SER GLY GLN TYR SEQRES 9 E 281 SER TRP ILE ILE ASN GLY ILE GLU TRP ALA ILE ALA ASN SEQRES 10 E 281 ASN MET ASP VAL ILE ASN MET SER LEU GLY GLY PRO SER SEQRES 11 E 281 GLY SER ALA ALA LEU LYS ALA ALA VAL ASP LYS ALA VAL SEQRES 12 E 281 ALA SER GLY VAL VAL VAL VAL ALA ALA ALA GLY ASN GLU SEQRES 13 E 281 GLY THR SER GLY SER SER SER THR VAL GLY TYR PRO GLY SEQRES 14 E 281 LYS TYR PRO SER VAL ILE ALA VAL GLY ALA VAL ASP SER SEQRES 15 E 281 SER ASN GLN ARG ALA SER PHE SER SER VAL GLY PRO GLU SEQRES 16 E 281 LEU ASP VAL MET ALA PRO GLY VAL SER ILE GLN SER THR SEQRES 17 E 281 LEU PRO GLY ASN LYS TYR GLY ALA TYR ASN GLY THR SER SEQRES 18 E 281 MET ALA SER PRO HIS VAL ALA GLY ALA ALA ALA LEU ILE SEQRES 19 E 281 LEU SER LYS HIS PRO ASN TRP THR ASN THR GLN VAL ARG SEQRES 20 E 281 SER SER LEU GLU ASN THR THR THR LYS LEU GLY ASP SER SEQRES 21 E 281 PHE TYR TYR GLY LYS GLY LEU ILE ASN VAL GLN ALA ALA SEQRES 22 E 281 ALA GLN HIS HIS HIS HIS HIS HIS SEQRES 1 I 64 MET LYS THR GLU TRP PRO GLU LEU VAL GLY LYS SER VAL SEQRES 2 I 64 GLU GLU ALA LYS LYS VAL ILE LEU GLN ASP LYS PRO ALA SEQRES 3 I 64 ALA GLN ILE ILE VAL LEU PRO VAL GLY THR ILE VAL THR SEQRES 4 I 64 MET GLU TYR ARG ILE ASP ARG VAL ARG LEU PHE VAL ASP SEQRES 5 I 64 LYS LEU ASP ASN ILE ALA GLN VAL PRO ARG VAL GLY HET CA E 300 1 HET SO4 E 602 5 HET SO4 E 603 5 HET SO4 E 604 5 HET SO4 E 605 5 HETNAM CA CALCIUM ION HETNAM SO4 SULFATE ION FORMUL 3 CA CA 2+ FORMUL 4 SO4 4(O4 S 2-) FORMUL 8 HOH *505(H2 O) HELIX 1 1 PRO E 5 ILE E 11 1 7 HELIX 2 2 LYS E 12 GLN E 19 1 8 HELIX 3 3 SER E 63 ALA E 74 1 12 HELIX 4 4 GLN E 103 ASN E 117 1 15 HELIX 5 5 SER E 132 SER E 145 1 14 HELIX 6 6 GLY E 219 HIS E 238 1 20 HELIX 7 7 THR E 242 ASN E 252 1 11 HELIX 8 8 ASP E 259 GLY E 264 1 6 HELIX 9 9 ASN E 269 HIS E 276 1 8 HELIX 10 10 TRP I 24 VAL I 28 5 5 HELIX 11 11 SER I 31 LYS I 43 1 13 SHEET 1 A 7 VAL E 44 SER E 49 0 SHEET 2 A 7 SER E 89 LYS E 94 1 O ALA E 92 N GLY E 46 SHEET 3 A 7 LYS E 27 ASP E 32 1 N VAL E 28 O SER E 89 SHEET 4 A 7 VAL E 121 MET E 124 1 O VAL E 121 N ALA E 29 SHEET 5 A 7 VAL E 148 ALA E 152 1 O VAL E 148 N ILE E 122 SHEET 6 A 7 ILE E 175 VAL E 180 1 O ILE E 175 N ALA E 151 SHEET 7 A 7 VAL E 198 PRO E 201 1 O VAL E 198 N GLY E 178 SHEET 1 B 3 SER E 101 GLY E 102 0 SHEET 2 B 3 ILE I 56 THR I 58 -1 O ILE I 56 N GLY E 102 SHEET 3 B 3 LEU E 126 GLY E 127 -1 N GLY E 127 O VAL I 57 SHEET 1 C 2 ILE E 205 LEU E 209 0 SHEET 2 C 2 LYS E 213 TYR E 217 -1 O TYR E 217 N ILE E 205 SHEET 1 D 3 GLN I 47 PRO I 52 0 SHEET 2 D 3 ARG I 65 VAL I 70 1 O LEU I 68 N ILE I 49 SHEET 3 D 3 ARG I 81 VAL I 82 -1 O ARG I 81 N ARG I 67 LINK OE1 GLN E 2 CA CA E 300 1555 1555 2.49 LINK OD1 ASP E 41 CA CA E 300 1555 1555 2.62 LINK OD2 ASP E 41 CA CA E 300 1555 1555 2.56 LINK O LEU E 75 CA CA E 300 1555 1555 2.47 LINK OD1 ASN E 77 CA CA E 300 1555 1555 2.54 LINK O ILE E 79 CA CA E 300 1555 1555 2.53 LINK O VAL E 81 CA CA E 300 1555 1555 2.49 SITE 1 AC1 6 GLN E 2 ASP E 41 LEU E 75 ASN E 77 SITE 2 AC1 6 ILE E 79 VAL E 81 SITE 1 AC2 9 SER E 248 ASN E 252 HIS E 276 HIS E 278 SITE 2 AC2 9 HIS E 279 HIS E 280 HIS E 281 HOH E 734 SITE 3 AC2 9 HOH E 754 SITE 1 AC3 6 THR E 253 HIS E 276 HIS E 277 HOH E 684 SITE 2 AC3 6 HOH E 995 HOH E 996 SITE 1 AC4 9 GLN E 103 TYR E 104 SER E 105 SER E 159 SITE 2 AC4 9 GLY E 160 HOH E 835 HOH E 990 HOH E1008 SITE 3 AC4 9 HOH I 87 SITE 1 AC5 5 SER E 18 HIS E 281 HOH E 655 HOH E 741 SITE 2 AC5 5 HOH E 966 CRYST1 54.332 56.597 118.635 90.00 90.00 90.00 P 21 21 21 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 0.018405 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017669 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008429 0.00000