HEADER LYASE 17-MAY-06 2H1V TITLE CRYSTAL STRUCTURE OF THE LYS87ALA MUTANT VARIANT OF BACILLUS SUBTILIS TITLE 2 FERROCHELATASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: FERROCHELATASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PROTOHEME FERRO-LYASE, HEME SYNTHETASE; COMPND 5 EC: 4.99.1.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS; SOURCE 3 ORGANISM_TAXID: 1423; SOURCE 4 GENE: HEMH, HEMF; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PK87A KEYWDS ROSSMANN FOLD, PI-HELIX, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR M.D.HANSSON,T.KARLBERG,M.ARYS RAHARDJA,S.AL-KARADAGHI,M.HANSSON REVDAT 6 30-AUG-23 2H1V 1 REMARK REVDAT 5 20-OCT-21 2H1V 1 REMARK SEQADV LINK REVDAT 4 07-MAR-18 2H1V 1 REMARK REVDAT 3 12-NOV-14 2H1V 1 KEYWDS REVDAT 2 24-FEB-09 2H1V 1 VERSN REVDAT 1 16-JAN-07 2H1V 0 JRNL AUTH M.D.HANSSON,T.KARLBERG,M.A.RAHARDJA,S.AL-KARADAGHI,M.HANSSON JRNL TITL AMINO ACID RESIDUES HIS183 AND GLU264 IN BACILLUS SUBTILIS JRNL TITL 2 FERROCHELATASE DIRECT AND FACILITATE THE INSERTION OF METAL JRNL TITL 3 ION INTO PROTOPORPHYRIN IX JRNL REF BIOCHEMISTRY V. 46 87 2007 JRNL REFN ISSN 0006-2960 JRNL PMID 17198378 JRNL DOI 10.1021/BI061760A REMARK 2 REMARK 2 RESOLUTION. 1.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 93.9 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.130 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.123 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.173 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 4164 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 83273 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.123 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 71773 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2482 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 490 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2971.5 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 12 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 27732 REMARK 3 NUMBER OF RESTRAINTS : 34600 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.012 REMARK 3 ANGLE DISTANCES (A) : 0.028 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.027 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.072 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.079 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.029 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.005 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.045 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.092 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC REFINEMENT REDUCED FREE R REMARK 3 (NO CUTOFF) BY 0.034 REMARK 4 REMARK 4 2H1V COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-MAY-06. REMARK 100 THE DEPOSITION ID IS D_1000037824. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-NOV-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : MAX II REMARK 200 BEAMLINE : I911-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.043 REMARK 200 MONOCHROMATOR : BENT GERMANIUM CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 83273 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.200 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.9 REMARK 200 DATA REDUNDANCY : 5.100 REMARK 200 R MERGE (I) : 0.06700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.27 REMARK 200 COMPLETENESS FOR SHELL (%) : 70.2 REMARK 200 DATA REDUNDANCY IN SHELL : 2.30 REMARK 200 R MERGE FOR SHELL (I) : 0.23300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.000 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: 1DOZ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 37.02 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.95 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25-30% PEG 2000, 0.2 M MAGNESIUM REMARK 280 CHLORIDE, 0.1 M TRIS-HCL, PH 7.4, VAPOR DIFFUSION, TEMPERATURE REMARK 280 288K 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 23.85000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 58.60000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 24.70000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 58.60000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 23.85000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 24.70000 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 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 A 1 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 OE2 GLU A 90 O HOH A 874 2.12 REMARK 500 REMARK 500 REMARK: NULL 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 ARG A 310 C ARG A 310 OXT 0.235 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 3 NE - CZ - NH1 ANGL. DEV. = -4.0 DEGREES REMARK 500 ARG A 173 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 ARG A 173 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 ARG A 286 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 ARG A 310 CA - C - O ANGL. DEV. = 13.0 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 ALA A 114 114.88 -162.96 REMARK 500 SER A 121 -87.81 -106.44 REMARK 500 TRP A 147 14.86 -155.35 REMARK 500 ASN A 175 55.02 -145.92 REMARK 500 HIS A 262 -160.28 -103.82 REMARK 500 ASN A 269 -61.92 -95.12 REMARK 500 TYR A 271 -64.06 -103.19 REMARK 500 ASN A 291 -134.15 48.77 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 MG A 400 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 969 O REMARK 620 2 HOH A 970 O 166.8 REMARK 620 3 HOH A 971 O 79.9 90.8 REMARK 620 4 HOH A 972 O 85.5 102.9 164.8 REMARK 620 5 HOH A 973 O 82.3 89.4 95.3 78.6 REMARK 620 6 HOH A 974 O 81.5 107.6 87.4 94.4 162.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 401 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 975 O REMARK 620 2 HOH A 976 O 162.8 REMARK 620 3 HOH A 977 O 82.3 114.9 REMARK 620 4 HOH A 978 O 90.8 72.0 172.8 REMARK 620 5 HOH A 979 O 82.7 98.1 88.1 93.3 REMARK 620 6 HOH A 980 O 88.3 92.0 85.8 91.9 169.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 402 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 981 O REMARK 620 2 HOH A 982 O 162.6 REMARK 620 3 HOH A 983 O 81.5 108.0 REMARK 620 4 HOH A 984 O 99.2 72.8 174.5 REMARK 620 5 HOH A 985 O 99.3 97.0 78.0 96.5 REMARK 620 6 HOH A 986 O 73.3 89.8 106.8 78.6 170.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 403 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 987 O REMARK 620 2 HOH A 988 O 168.8 REMARK 620 3 HOH A 989 O 95.9 89.1 REMARK 620 4 HOH A 990 O 85.9 89.1 178.2 REMARK 620 5 HOH A 991 O 97.3 93.0 85.8 94.0 REMARK 620 6 HOH A 992 O 79.3 91.5 82.6 97.7 167.5 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 403 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1DOZ RELATED DB: PDB REMARK 900 RELATED ID: 2AC2 RELATED DB: PDB REMARK 900 RELATED ID: 2AC4 RELATED DB: PDB REMARK 900 RELATED ID: 2H1W RELATED DB: PDB DBREF 2H1V A 1 310 UNP P32396 HEMH_BACSU 1 310 SEQADV 2H1V ALA A 87 UNP P32396 LYS 87 ENGINEERED MUTATION SEQRES 1 A 310 MET SER ARG LYS LYS MET GLY LEU LEU VAL MET ALA TYR SEQRES 2 A 310 GLY THR PRO TYR LYS GLU GLU ASP ILE GLU ARG TYR TYR SEQRES 3 A 310 THR HIS ILE ARG ARG GLY ARG LYS PRO GLU PRO GLU MET SEQRES 4 A 310 LEU GLN ASP LEU LYS ASP ARG TYR GLU ALA ILE GLY GLY SEQRES 5 A 310 ILE SER PRO LEU ALA GLN ILE THR GLU GLN GLN ALA HIS SEQRES 6 A 310 ASN LEU GLU GLN HIS LEU ASN GLU ILE GLN ASP GLU ILE SEQRES 7 A 310 THR PHE LYS ALA TYR ILE GLY LEU ALA HIS ILE GLU PRO SEQRES 8 A 310 PHE ILE GLU ASP ALA VAL ALA GLU MET HIS LYS ASP GLY SEQRES 9 A 310 ILE THR GLU ALA VAL SER ILE VAL LEU ALA PRO HIS PHE SEQRES 10 A 310 SER THR PHE SER VAL GLN SER TYR ASN LYS ARG ALA LYS SEQRES 11 A 310 GLU GLU ALA GLU LYS LEU GLY GLY LEU THR ILE THR SER SEQRES 12 A 310 VAL GLU SER TRP TYR ASP GLU PRO LYS PHE VAL THR TYR SEQRES 13 A 310 TRP VAL ASP ARG VAL LYS GLU THR TYR ALA SER MET PRO SEQRES 14 A 310 GLU ASP GLU ARG GLU ASN ALA MET LEU ILE VAL SER ALA SEQRES 15 A 310 HIS SER LEU PRO GLU LYS ILE LYS GLU PHE GLY ASP PRO SEQRES 16 A 310 TYR PRO ASP GLN LEU HIS GLU SER ALA LYS LEU ILE ALA SEQRES 17 A 310 GLU GLY ALA GLY VAL SER GLU TYR ALA VAL GLY TRP GLN SEQRES 18 A 310 SER GLU GLY ASN THR PRO ASP PRO TRP LEU GLY PRO ASP SEQRES 19 A 310 VAL GLN ASP LEU THR ARG ASP LEU PHE GLU GLN LYS GLY SEQRES 20 A 310 TYR GLN ALA PHE VAL TYR VAL PRO VAL GLY PHE VAL ALA SEQRES 21 A 310 ASP HIS LEU GLU VAL LEU TYR ASP ASN ASP TYR GLU CYS SEQRES 22 A 310 LYS VAL VAL THR ASP ASP ILE GLY ALA SER TYR TYR ARG SEQRES 23 A 310 PRO GLU MET PRO ASN ALA LYS PRO GLU PHE ILE ASP ALA SEQRES 24 A 310 LEU ALA THR VAL VAL LEU LYS LYS LEU GLY ARG HET MG A 400 1 HET MG A 401 1 HET MG A 402 1 HET MG A 403 1 HETNAM MG MAGNESIUM ION FORMUL 2 MG 4(MG 2+) FORMUL 6 HOH *490(H2 O) HELIX 1 1 LYS A 18 GLU A 20 5 3 HELIX 2 2 ASP A 21 ARG A 30 1 10 HELIX 3 3 GLU A 36 ILE A 50 1 15 HELIX 4 4 ILE A 53 GLN A 75 1 23 HELIX 5 5 PHE A 92 ASP A 103 1 12 HELIX 6 6 SER A 121 GLY A 137 1 17 HELIX 7 7 GLU A 150 MET A 168 1 19 HELIX 8 8 PRO A 169 GLU A 174 1 6 HELIX 9 9 PRO A 186 GLY A 193 5 8 HELIX 10 10 PRO A 195 GLY A 212 1 18 HELIX 11 11 ASP A 234 GLY A 247 1 14 HELIX 12 12 HIS A 262 TYR A 267 1 6 HELIX 13 13 TYR A 271 GLY A 281 1 11 HELIX 14 14 LYS A 293 LEU A 308 1 16 SHEET 1 A 4 ILE A 78 LEU A 86 0 SHEET 2 A 4 LYS A 4 ALA A 12 1 N LYS A 4 O THR A 79 SHEET 3 A 4 GLU A 107 VAL A 112 1 O ILE A 111 N MET A 11 SHEET 4 A 4 THR A 140 SER A 143 1 O THR A 142 N SER A 110 SHEET 1 B 4 TYR A 216 GLN A 221 0 SHEET 2 B 4 ALA A 176 HIS A 183 1 N VAL A 180 O ALA A 217 SHEET 3 B 4 ALA A 250 VAL A 254 1 O VAL A 252 N ILE A 179 SHEET 4 B 4 SER A 283 TYR A 285 1 O TYR A 285 N TYR A 253 LINK MG MG A 400 O HOH A 969 1555 1555 2.11 LINK MG MG A 400 O HOH A 970 1555 1555 1.97 LINK MG MG A 400 O HOH A 971 1555 1555 2.08 LINK MG MG A 400 O HOH A 972 1555 1555 2.12 LINK MG MG A 400 O HOH A 973 1555 1555 2.41 LINK MG MG A 400 O HOH A 974 1555 1555 1.89 LINK MG MG A 401 O HOH A 975 1555 1555 2.01 LINK MG MG A 401 O HOH A 976 1555 1555 2.04 LINK MG MG A 401 O HOH A 977 1555 1555 2.06 LINK MG MG A 401 O HOH A 978 1555 1555 2.19 LINK MG MG A 401 O HOH A 979 1555 1555 1.99 LINK MG MG A 401 O HOH A 980 1555 1555 2.04 LINK MG MG A 402 O HOH A 981 1555 1555 2.18 LINK MG MG A 402 O HOH A 982 1555 1555 1.87 LINK MG MG A 402 O HOH A 983 1555 1555 2.16 LINK MG MG A 402 O HOH A 984 1555 1555 2.14 LINK MG MG A 402 O HOH A 985 1555 1555 2.16 LINK MG MG A 402 O HOH A 986 1555 1555 2.55 LINK MG MG A 403 O HOH A 987 1555 1555 2.59 LINK MG MG A 403 O HOH A 988 1555 1555 2.16 LINK MG MG A 403 O HOH A 989 1555 1555 2.04 LINK MG MG A 403 O HOH A 990 1555 1555 2.05 LINK MG MG A 403 O HOH A 991 1555 1555 1.92 LINK MG MG A 403 O HOH A 992 1555 1555 1.99 CISPEP 1 GLU A 90 PRO A 91 0 -4.54 CISPEP 2 GLU A 90 PRO A 91 0 1.41 CISPEP 3 GLY A 232 PRO A 233 0 3.75 SITE 1 AC1 6 HOH A 969 HOH A 970 HOH A 971 HOH A 972 SITE 2 AC1 6 HOH A 973 HOH A 974 SITE 1 AC2 6 HOH A 975 HOH A 976 HOH A 977 HOH A 978 SITE 2 AC2 6 HOH A 979 HOH A 980 SITE 1 AC3 6 HOH A 981 HOH A 982 HOH A 983 HOH A 984 SITE 2 AC3 6 HOH A 985 HOH A 986 SITE 1 AC4 6 HOH A 987 HOH A 988 HOH A 989 HOH A 990 SITE 2 AC4 6 HOH A 991 HOH A 992 CRYST1 47.700 49.400 117.200 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 0.020964 0.000000 0.000000 0.00000 SCALE2 0.000000 0.020243 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008532 0.00000