HEADER HYDROLASE 28-JUL-99 1C3L TITLE SUBTILISIN-CARLSBERG COMPLEXED WITH XENON (8 BAR) COMPND MOL_ID: 1; COMPND 2 MOLECULE: SUBTILISIN-CARLSBERG; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.62 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS LICHENIFORMIS; SOURCE 3 ORGANISM_TAXID: 1402 KEYWDS XENON, SERINE-PROTEINASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR T.PRANGE,M.SCHILTZ,L.PERNOT,N.COLLOC'H,S.LONGHI REVDAT 4 09-AUG-23 1C3L 1 REMARK LINK REVDAT 3 24-FEB-09 1C3L 1 VERSN REVDAT 2 01-APR-03 1C3L 1 JRNL REVDAT 1 04-AUG-99 1C3L 0 JRNL AUTH T.PRANGE,M.SCHILTZ,L.PERNOT,N.COLLOC'H,S.LONGHI,W.BOURGUET, JRNL AUTH 2 R.FOURME JRNL TITL EXPLORING HYDROPHOBIC SITES IN PROTEINS WITH XENON OR JRNL TITL 2 KRYPTON. JRNL REF PROTEINS V. 30 61 1998 JRNL REFN ISSN 0887-3585 JRNL PMID 9443341 JRNL DOI 10.1002/(SICI)1097-0134(19980101)30:1<61::AID-PROT6>3.3.CO;2 JRNL DOI 2 -O REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.SCHILTZ,T.PRANGE,R.FOURME REMARK 1 TITL ON THE PREPARATION AND X-RAY DATA COLLECTION OF ISOMORPHOUS REMARK 1 TITL 2 XENON DERIVATIVES REMARK 1 REF J.APPL.CRYSTALLOGR. V. 27 950 1994 REMARK 1 REFN ISSN 0021-8898 REMARK 1 DOI 10.1107/S0021889894005923 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.SCHILTZ,R.FOURME,I.BROUTIN,T.PRANGE REMARK 1 TITL THE CATALYTIC SITE OF SERINE-PROTEINASES AS A SPECIFIC REMARK 1 TITL 2 BINDING CAVITY FOR XENON REMARK 1 REF STRUCTURE V. 3 309 1995 REMARK 1 REFN ISSN 0969-2126 REMARK 1 REFERENCE 3 REMARK 1 AUTH G.A.PETSKO,D.TSERNOGLOU REMARK 1 TITL THE STRUCTURE OF SUBTILOPEPTIDASE 1. X-RAY CRYSTALLOGRAPHIC REMARK 1 TITL 2 DATA REMARK 1 REF J.MOL.BIOL. V. 106 453 1976 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.16 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) : 2.16 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 7.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 85.0 REMARK 3 CROSS-VALIDATION METHOD : NULL 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) : 0.162 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.151 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.198 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1010 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 11117 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL 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)) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1918 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 108 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 8135 REMARK 3 NUMBER OF RESTRAINTS : 7863 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 ANGLE DISTANCES (A) : 0.023 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : NULL REMARK 3 ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : NULL REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 8135 PARAMETERS REFINED USING 7863 REMARK 3 RESTRAINTS REMARK 4 REMARK 4 1C3L COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-JUL-99. REMARK 100 THE DEPOSITION ID IS D_1000009420. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-OCT-95 REMARK 200 TEMPERATURE (KELVIN) : 278 REMARK 200 PH : 5.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : LURE REMARK 200 BEAMLINE : DW32 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.961 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 40233 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.160 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 4.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 0.8 REMARK 200 DATA REDUNDANCY : 4.100 REMARK 200 R MERGE (I) : 0.06200 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 11.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.16 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.27 REMARK 200 COMPLETENESS FOR SHELL (%) : 65.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.80 REMARK 200 R MERGE FOR SHELL (I) : 0.16700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: 1SCA REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.57 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN: 15MG/ML IN ACETATE BUFFER REMARK 280 (0.05M) PLUS SODIUM AZIDE (10-5M). SODIUM FORMATE AS THE REMARK 280 CRYSTALLIZING AGENT(4M). CRYSTALS AS ELONGATED NEEDLES IN TWO REMARK 280 WEEKS., PH 5.50, MICRODIALYSIS, TEMPERATURE 298K 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 38.25000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 26.70000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 27.65000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 26.70000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 38.25000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 27.65000 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 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 A 158 CB SER A 158 OG -0.088 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 186 NE - CZ - NH1 ANGL. DEV. = -3.9 DEGREES REMARK 500 ARG A 186 NE - CZ - NH2 ANGL. DEV. = 3.1 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 LYS A 12 30.20 70.99 REMARK 500 ASP A 32 -147.96 -161.38 REMARK 500 ASN A 77 -150.82 -150.67 REMARK 500 SER A 159 82.20 -150.70 REMARK 500 SER A 161 19.79 -69.79 REMARK 500 THR A 213 -160.33 -128.12 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 A 282 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 2 NE2 REMARK 620 2 ASP A 41 OD1 155.7 REMARK 620 3 ASP A 41 OD2 152.7 51.6 REMARK 620 4 LEU A 75 O 80.7 87.7 110.6 REMARK 620 5 ASN A 77 OD1 72.7 85.2 131.3 85.3 REMARK 620 6 THR A 79 O 85.4 99.5 88.2 160.0 76.9 REMARK 620 7 VAL A 81 O 84.1 117.4 71.5 90.0 156.8 102.8 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 284 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 169 O REMARK 620 2 TYR A 171 O 98.6 REMARK 620 3 VAL A 174 O 111.8 94.4 REMARK 620 4 HOH A 327 O 104.7 156.5 73.9 REMARK 620 5 HOH A 397 O 100.6 75.5 147.2 103.2 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 282 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 284 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMT A 285 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMT A 286 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMT A 287 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1SBC RELATED DB: PDB REMARK 900 FIRST DEPOSITION OF SUSBTILISIN-CARLSBERG REMARK 900 RELATED ID: 1BFU RELATED DB: PDB REMARK 900 SUBTILISIN IN 20% DIOXANE REMARK 900 RELATED ID: 1BFK RELATED DB: PDB REMARK 900 SUBTILISIN IN 40% ACETONITRILE REMARK 900 RELATED ID: 1SCA RELATED DB: PDB REMARK 900 REOLUTION 2A, NO ORGANIC SOLV. REMARK 900 RELATED ID: 1AV7 RELATED DB: PDB REMARK 900 SUBTILISIN COMPLEXED WITH A BORONIC INHIBITOR. (AXES X AND Z REMARK 900 INVERTED) REMARK 900 RELATED ID: 1AVT RELATED DB: PDB REMARK 900 SUBTILISIN COMPLEXED WITH A BORONIC INHIBITOR. (AXES X AND Z REMARK 900 INVERTED) DBREF 1C3L A 1 274 UNP P00780 SUBT_BACLI 106 379 SEQADV 1C3L SER A 103 UNP P00780 TYR 207 SEE REMARK 999 SEQADV 1C3L ALA A 129 UNP P00780 PRO 233 SEE REMARK 999 SEQADV 1C3L SER A 161 UNP P00780 ASN 265 SEE REMARK 999 SEQADV 1C3L ASN A 212 UNP P00780 SER 316 SEE REMARK 999 SEQRES 1 A 274 ALA GLN THR VAL PRO TYR GLY ILE PRO LEU ILE LYS ALA SEQRES 2 A 274 ASP LYS VAL GLN ALA GLN GLY PHE LYS GLY ALA ASN VAL SEQRES 3 A 274 LYS VAL ALA VAL LEU ASP THR GLY ILE GLN ALA SER HIS SEQRES 4 A 274 PRO ASP LEU ASN VAL VAL GLY GLY ALA SER PHE VAL ALA SEQRES 5 A 274 GLY GLU ALA TYR ASN THR ASP GLY ASN GLY HIS GLY THR SEQRES 6 A 274 HIS VAL ALA GLY THR VAL ALA ALA LEU ASP ASN THR THR SEQRES 7 A 274 GLY VAL LEU GLY VAL ALA PRO SER VAL SER LEU TYR ALA SEQRES 8 A 274 VAL LYS VAL LEU ASN SER SER GLY SER GLY SER TYR SER SEQRES 9 A 274 GLY ILE VAL SER GLY ILE GLU TRP ALA THR THR ASN GLY SEQRES 10 A 274 MET ASP VAL ILE ASN MET SER LEU GLY GLY ALA SER GLY SEQRES 11 A 274 SER THR ALA MET LYS GLN ALA VAL ASP ASN ALA TYR ALA SEQRES 12 A 274 ARG GLY VAL VAL VAL VAL ALA ALA ALA GLY ASN SER GLY SEQRES 13 A 274 SER SER GLY SER THR ASN THR ILE GLY TYR PRO ALA LYS SEQRES 14 A 274 TYR ASP SER VAL ILE ALA VAL GLY ALA VAL ASP SER ASN SEQRES 15 A 274 SER ASN ARG ALA SER PHE SER SER VAL GLY ALA GLU LEU SEQRES 16 A 274 GLU VAL MET ALA PRO GLY ALA GLY VAL TYR SER THR TYR SEQRES 17 A 274 PRO THR ASN THR TYR ALA THR LEU ASN GLY THR SER MET SEQRES 18 A 274 ALA SER PRO HIS VAL ALA GLY ALA ALA ALA LEU ILE LEU SEQRES 19 A 274 SER LYS HIS PRO ASN LEU SER ALA SER GLN VAL ARG ASN SEQRES 20 A 274 ARG LEU SER SER THR ALA THR TYR LEU GLY SER SER PHE SEQRES 21 A 274 TYR TYR GLY LYS GLY LEU ILE ASN VAL GLU ALA ALA ALA SEQRES 22 A 274 GLN HET CA A 282 1 HET CA A 284 1 HET XE A 281 1 HET FMT A 285 3 HET FMT A 286 3 HET FMT A 287 3 HETNAM CA CALCIUM ION HETNAM XE XENON HETNAM FMT FORMIC ACID FORMUL 2 CA 2(CA 2+) FORMUL 4 XE XE FORMUL 5 FMT 3(C H2 O2) FORMUL 8 HOH *108(H2 O) HELIX 1 1 TYR A 6 ILE A 11 1 6 HELIX 2 2 LYS A 12 GLN A 19 1 8 HELIX 3 3 GLY A 63 ALA A 74 1 12 HELIX 4 4 SER A 103 ASN A 117 1 15 HELIX 5 5 SER A 132 ARG A 145 1 14 HELIX 6 6 GLY A 219 HIS A 238 1 20 HELIX 7 7 SER A 242 THR A 253 1 12 HELIX 8 8 SER A 259 GLY A 264 1 6 HELIX 9 9 ASN A 269 ALA A 274 1 6 SHEET 1 A 7 VAL A 44 SER A 49 0 SHEET 2 A 7 SER A 89 LYS A 94 1 O LEU A 90 N VAL A 45 SHEET 3 A 7 LYS A 27 ASP A 32 1 N VAL A 28 O SER A 89 SHEET 4 A 7 VAL A 121 MET A 124 1 O VAL A 121 N ALA A 29 SHEET 5 A 7 VAL A 148 ALA A 152 1 O VAL A 148 N ILE A 122 SHEET 6 A 7 ILE A 175 VAL A 180 1 N ILE A 175 O VAL A 149 SHEET 7 A 7 VAL A 198 PRO A 201 1 O VAL A 198 N GLY A 178 SHEET 1 B 2 VAL A 205 TYR A 209 0 SHEET 2 B 2 THR A 213 LEU A 217 -1 N THR A 213 O TYR A 209 LINK NE2 GLN A 2 CA CA A 282 1555 1555 2.30 LINK OD1 ASP A 41 CA CA A 282 1555 1555 2.49 LINK OD2 ASP A 41 CA CA A 282 1555 1555 2.55 LINK O LEU A 75 CA CA A 282 1555 1555 2.28 LINK OD1 ASN A 77 CA CA A 282 1555 1555 2.19 LINK O THR A 79 CA CA A 282 1555 1555 2.32 LINK O VAL A 81 CA CA A 282 1555 1555 2.31 LINK O ALA A 169 CA CA A 284 1555 1555 2.39 LINK O TYR A 171 CA CA A 284 1555 1555 2.27 LINK O VAL A 174 CA CA A 284 1555 1555 2.33 LINK CA CA A 284 O HOH A 327 1555 1555 2.80 LINK CA CA A 284 O HOH A 397 1555 1555 2.91 CISPEP 1 TYR A 167 PRO A 168 0 3.45 CISPEP 2 PRO A 210 THR A 211 0 -1.56 SITE 1 AC1 6 GLN A 2 ASP A 41 LEU A 75 ASN A 77 SITE 2 AC1 6 THR A 79 VAL A 81 SITE 1 AC2 5 ALA A 169 TYR A 171 VAL A 174 HOH A 327 SITE 2 AC2 5 HOH A 397 SITE 1 AC3 6 HIS A 64 ASN A 155 ASN A 218 GLY A 219 SITE 2 AC3 6 THR A 220 SER A 221 SITE 1 AC4 5 GLY A 100 SER A 101 GLY A 102 GLY A 127 SITE 2 AC4 5 HOH A 402 SITE 1 AC5 3 GLN A 19 SER A 130 HOH A 331 CRYST1 76.500 55.300 53.400 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 0.013072 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018083 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018727 0.00000