HEADER HYDROLASE 09-JUN-04 1TLO TITLE HIGH RESOLUTION CRYSTAL STRUCTURE OF CALPAIN I PROTEASE CORE IN TITLE 2 COMPLEX WITH E64 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CALPAIN 1, LARGE [CATALYTIC] SUBUNIT; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 27-356; COMPND 5 SYNONYM: CALCIUM-ACTIVATED NEUTRAL PROTEINASE, CANP, MU-TYPE, MUCANP, COMPND 6 MICROMOLAR-CALPAIN; COMPND 7 EC: 3.4.22.52; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: CAPN1, CLS1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 DE3; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET24D KEYWDS COVALENTLY-LINKED INHIBITOR AT THE ACTIVE SITE (CYSTEINE 115) FORMS A KEYWDS 2 THIOESTER, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR T.MOLDOVEANU,R.L.CAMPBELL,D.CUERRIER,P.L.DAVIES REVDAT 5 23-AUG-23 1TLO 1 REMARK SEQADV LINK REVDAT 4 31-JAN-18 1TLO 1 REMARK REVDAT 3 11-OCT-17 1TLO 1 REMARK REVDAT 2 24-FEB-09 1TLO 1 VERSN REVDAT 1 02-NOV-04 1TLO 0 JRNL AUTH T.MOLDOVEANU,R.L.CAMPBELL,D.CUERRIER,P.L.DAVIES JRNL TITL CRYSTAL STRUCTURES OF CALPAIN-E64 AND -LEUPEPTIN INHIBITOR JRNL TITL 2 COMPLEXES REVEAL MOBILE LOOPS GATING THE ACTIVE SITE JRNL REF J.MOL.BIOL. V. 343 1313 2004 JRNL REFN ISSN 0022-2836 JRNL PMID 15491615 JRNL DOI 10.1016/J.JMB.2004.09.016 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.MOLDOVEANU,C.M.HOSFIELD,D.LIM,J.S.ELCE,Z.JIA,P.L.DAVIES REMARK 1 TITL A CALCIUM SWITCH ALIGNS THE ACTIVE SITE OF CALPAIN REMARK 1 REF CELL(CAMBRIDGE,MASS.) V. 108 649 2002 REMARK 1 REFN ISSN 0092-8674 REMARK 1 DOI 10.1016/S0092-8674(02)00659-1 REMARK 1 REFERENCE 2 REMARK 1 AUTH T.MOLDOVEANU,C.M.HOSFIELD,D.LIM,Z.JIA,P.L.DAVIES REMARK 1 TITL CALPAIN SILENCING BY A REVERSIBLE INTRINSIC MECHANISM REMARK 1 REF NAT.STRUCT.MOL.BIOL. V. 10 371 2003 REMARK 1 REFN ISSN 1545-9993 REMARK 1 PMID 12665854 REMARK 1 DOI 10.1038/NSB917 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 & XFIT REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 24593 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) : 0.238 REMARK 3 FREE R VALUE : 0.272 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1193 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2594 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 27 REMARK 3 SOLVENT ATOMS : 53 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 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.192 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1TLO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-JUN-04. REMARK 100 THE DEPOSITION ID IS D_1000022750. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-AUG-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : CHESS REMARK 200 BEAMLINE : F1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.937 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 : DENZO, XFIT REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24647 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.07700 REMARK 200 R SYM (I) : 0.06700 REMARK 200 FOR THE DATA SET : 27.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.34900 REMARK 200 R SYM FOR SHELL (I) : 0.29200 REMARK 200 FOR SHELL : 6.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1KXR REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.01 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.98 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CHLORIDE, CALCIUM CHLORIDE, REMARK 280 MES, PH 6.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 100K 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 20.26000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 54.48000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 34.88000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 54.48000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 20.26000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 34.88000 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 26 REMARK 465 GLY A 27 REMARK 465 LEU A 28 REMARK 465 GLY A 29 REMARK 465 ARG A 30 REMARK 465 HIS A 31 REMARK 465 GLU A 32 REMARK 465 PRO A 355 REMARK 465 ASP A 356 REMARK 465 LEU A 357 REMARK 465 GLU A 358 REMARK 465 HIS A 359 REMARK 465 HIS A 360 REMARK 465 HIS A 361 REMARK 465 HIS A 362 REMARK 465 HIS A 363 REMARK 465 HIS A 364 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 PHE A 61 71.39 -153.24 REMARK 500 LYS A 71 -79.03 -140.36 REMARK 500 ASN A 76 40.74 -93.29 REMARK 500 GLN A 142 -122.07 -97.54 REMARK 500 PHE A 177 -139.11 -97.55 REMARK 500 THR A 218 -33.86 -133.05 REMARK 500 VAL A 301 89.55 72.90 REMARK 500 TRP A 307 1.37 81.71 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 365 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL A 99 O REMARK 620 2 GLY A 101 O 75.7 REMARK 620 3 ASP A 106 OD1 154.8 125.7 REMARK 620 4 ASP A 106 OD2 152.2 80.7 52.9 REMARK 620 5 GLU A 185 OE2 83.2 89.5 107.7 82.1 REMARK 620 6 GLU A 185 OE1 110.0 137.2 65.0 78.1 51.1 REMARK 620 7 HOH A 401 O 73.0 143.1 82.2 133.9 105.5 73.1 REMARK 620 8 HOH A 412 O 84.1 75.0 89.0 103.9 162.0 146.3 82.8 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 366 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 302 OE1 REMARK 620 2 GLU A 302 OE2 54.9 REMARK 620 3 ASP A 309 OD1 82.3 122.1 REMARK 620 4 ASP A 309 OD2 75.6 130.4 43.4 REMARK 620 5 MET A 329 O 110.4 86.0 73.7 116.3 REMARK 620 6 ASP A 331 OD1 124.9 71.0 142.3 155.3 72.4 REMARK 620 7 GLU A 333 O 82.7 87.3 127.4 84.1 157.6 85.2 REMARK 620 8 HOH A 415 O 158.0 144.5 88.2 83.8 85.6 73.5 87.5 REMARK 620 N 1 2 3 4 5 6 7 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 365 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 366 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE E64 A 400 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1KXR RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE CALPAIN I PROTEASE CORE IN THE PRESENCE OF REMARK 900 CALCIUM REMARK 900 RELATED ID: 1MDW RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE CALPAIN II PROTEASE CORE IN THE PRESENCE REMARK 900 OF CALCIUM REMARK 900 RELATED ID: 1DFO RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE RAT CALPAIN II HETERODIMER REMARK 900 RELATED ID: 1KFU RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE HUMAN CALPAIN II HETERODIMER FORM II REMARK 900 RELATED ID: 1KFX RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE HUMAN CALPAIN II HETERODIMER FORM I REMARK 900 RELATED ID: 1NX0 RELATED DB: PDB REMARK 900 CALPAIN DOMAIN VI COMPLEXED WITH CALPASTATIN INHIBITORY DOMAIN C REMARK 900 RELATED ID: 1TL9 RELATED DB: PDB REMARK 900 HIGH RESOLUTION CRYSTAL STRUCTURE OF CALPAIN I PROTEASE CORE IN REMARK 900 COMPLEX WITH LEUPEPTIN DBREF 1TLO A 27 356 UNP P97571 CAN1_RAT 27 356 SEQADV 1TLO MET A 26 UNP P97571 INITIATING METHIONINE SEQADV 1TLO LEU A 357 UNP P97571 EXPRESSION TAG SEQADV 1TLO GLU A 358 UNP P97571 EXPRESSION TAG SEQADV 1TLO HIS A 359 UNP P97571 EXPRESSION TAG SEQADV 1TLO HIS A 360 UNP P97571 EXPRESSION TAG SEQADV 1TLO HIS A 361 UNP P97571 EXPRESSION TAG SEQADV 1TLO HIS A 362 UNP P97571 EXPRESSION TAG SEQADV 1TLO HIS A 363 UNP P97571 EXPRESSION TAG SEQADV 1TLO HIS A 364 UNP P97571 EXPRESSION TAG SEQRES 1 A 339 MET GLY LEU GLY ARG HIS GLU ASN ALA ILE LYS TYR LEU SEQRES 2 A 339 GLY GLN ASP TYR GLU ASN LEU ARG ALA ARG CYS LEU GLN SEQRES 3 A 339 ASN GLY VAL LEU PHE GLN ASP ASP ALA PHE PRO PRO VAL SEQRES 4 A 339 SER HIS SER LEU GLY PHE LYS GLU LEU GLY PRO ASN SER SEQRES 5 A 339 SER LYS THR TYR GLY ILE LYS TRP LYS ARG PRO THR GLU SEQRES 6 A 339 LEU LEU SER ASN PRO GLN PHE ILE VAL ASP GLY ALA THR SEQRES 7 A 339 ARG THR ASP ILE CYS GLN GLY ALA LEU GLY ASP CYS TRP SEQRES 8 A 339 LEU LEU ALA ALA ILE ALA SER LEU THR LEU ASN GLU THR SEQRES 9 A 339 ILE LEU HIS ARG VAL VAL PRO TYR GLY GLN SER PHE GLN SEQRES 10 A 339 GLU GLY TYR ALA GLY ILE PHE HIS PHE GLN LEU TRP GLN SEQRES 11 A 339 PHE GLY GLU TRP VAL ASP VAL VAL VAL ASP ASP LEU LEU SEQRES 12 A 339 PRO THR LYS ASP GLY LYS LEU VAL PHE VAL HIS SER ALA SEQRES 13 A 339 GLN GLY ASN GLU PHE TRP SER ALA LEU LEU GLU LYS ALA SEQRES 14 A 339 TYR ALA LYS VAL ASN GLY SER TYR GLU ALA LEU SER GLY SEQRES 15 A 339 GLY CYS THR SER GLU ALA PHE GLU ASP PHE THR GLY GLY SEQRES 16 A 339 VAL THR GLU TRP TYR ASP LEU GLN LYS ALA PRO SER ASP SEQRES 17 A 339 LEU TYR GLN ILE ILE LEU LYS ALA LEU GLU ARG GLY SER SEQRES 18 A 339 LEU LEU GLY CYS SER ILE ASN ILE SER ASP ILE ARG ASP SEQRES 19 A 339 LEU GLU ALA ILE THR PHE LYS ASN LEU VAL ARG GLY HIS SEQRES 20 A 339 ALA TYR SER VAL THR ASP ALA LYS GLN VAL THR TYR GLN SEQRES 21 A 339 GLY GLN ARG VAL ASN LEU ILE ARG MET ARG ASN PRO TRP SEQRES 22 A 339 GLY GLU VAL GLU TRP LYS GLY PRO TRP SER ASP ASN SER SEQRES 23 A 339 TYR GLU TRP ASN LYS VAL ASP PRO TYR GLU ARG GLU GLN SEQRES 24 A 339 LEU ARG VAL LYS MET GLU ASP GLY GLU PHE TRP MET SER SEQRES 25 A 339 PHE ARG ASP PHE ILE ARG GLU PHE THR LYS LEU GLU ILE SEQRES 26 A 339 CYS ASN LEU THR PRO ASP LEU GLU HIS HIS HIS HIS HIS SEQRES 27 A 339 HIS HET CA A 365 1 HET CA A 366 1 HET E64 A 400 25 HETNAM CA CALCIUM ION HETNAM E64 N-[N-[1-HYDROXYCARBOXYETHYL-CARBONYL]LEUCYLAMINO- HETNAM 2 E64 BUTYL]-GUANIDINE FORMUL 2 CA 2(CA 2+) FORMUL 4 E64 C15 H30 N5 O5 1+ FORMUL 5 HOH *53(H2 O) HELIX 1 1 LEU A 38 GLN A 40 5 3 HELIX 2 2 ASP A 41 ASN A 52 1 12 HELIX 3 3 VAL A 64 GLY A 69 1 6 HELIX 4 4 SER A 77 TYR A 81 5 5 HELIX 5 5 ARG A 87 LEU A 92 1 6 HELIX 6 6 THR A 103 ILE A 107 5 5 HELIX 7 7 ASP A 114 THR A 125 1 12 HELIX 8 8 ASN A 127 VAL A 135 1 9 HELIX 9 9 PHE A 186 ASN A 199 1 14 HELIX 10 10 TYR A 202 SER A 206 5 5 HELIX 11 11 CYS A 209 GLY A 219 1 11 HELIX 12 12 ASP A 233 GLY A 245 1 13 HELIX 13 13 SER A 311 LYS A 316 5 6 HELIX 14 14 ASP A 318 ARG A 326 1 9 HELIX 15 15 PHE A 338 PHE A 345 1 8 SHEET 1 A 3 ILE A 35 LYS A 36 0 SHEET 2 A 3 GLU A 158 ASP A 165 1 O ASP A 161 N ILE A 35 SHEET 3 A 3 ILE A 148 GLN A 155 -1 N PHE A 151 O VAL A 162 SHEET 1 B 3 LYS A 84 LYS A 86 0 SHEET 2 B 3 LEU A 168 LYS A 171 -1 O THR A 170 N LYS A 84 SHEET 3 B 3 LYS A 174 LEU A 175 -1 O LYS A 174 N LYS A 171 SHEET 1 C 6 VAL A 221 ASP A 226 0 SHEET 2 C 6 LYS A 347 ASN A 352 -1 O ILE A 350 N GLU A 223 SHEET 3 C 6 LEU A 247 SER A 251 -1 N GLY A 249 O GLU A 349 SHEET 4 C 6 TYR A 274 TYR A 284 -1 O TYR A 274 N CYS A 250 SHEET 5 C 6 GLN A 287 ARG A 295 -1 O VAL A 289 N VAL A 282 SHEET 6 C 6 GLU A 333 SER A 337 -1 O MET A 336 N ILE A 292 LINK SG CYS A 115 C2 E64 A 400 1555 1555 1.83 LINK O VAL A 99 CA CA A 365 1555 1555 2.45 LINK O GLY A 101 CA CA A 365 1555 1555 2.47 LINK OD1 ASP A 106 CA CA A 365 1555 1555 2.53 LINK OD2 ASP A 106 CA CA A 365 1555 1555 2.41 LINK OE2 GLU A 185 CA CA A 365 1555 1555 2.42 LINK OE1 GLU A 185 CA CA A 365 1555 1555 2.64 LINK OE1 GLU A 302 CA CA A 366 1555 1555 2.44 LINK OE2 GLU A 302 CA CA A 366 1555 1555 2.29 LINK OD1 ASP A 309 CA CA A 366 1555 1555 2.39 LINK OD2 ASP A 309 CA CA A 366 1555 1555 3.19 LINK O MET A 329 CA CA A 366 1555 1555 2.43 LINK OD1 ASP A 331 CA CA A 366 1555 1555 2.47 LINK O GLU A 333 CA CA A 366 1555 1555 2.34 LINK CA CA A 365 O HOH A 401 1555 1555 2.44 LINK CA CA A 365 O HOH A 412 1555 1555 2.51 LINK CA CA A 366 O HOH A 415 1555 1555 2.17 SITE 1 AC1 6 VAL A 99 GLY A 101 ASP A 106 GLU A 185 SITE 2 AC1 6 HOH A 401 HOH A 412 SITE 1 AC2 6 GLU A 302 ASP A 309 MET A 329 ASP A 331 SITE 2 AC2 6 GLU A 333 HOH A 415 SITE 1 AC3 10 GLN A 109 GLY A 113 CYS A 115 TRP A 116 SITE 2 AC3 10 GLY A 208 CYS A 209 GLU A 212 SER A 251 SITE 3 AC3 10 GLY A 271 HIS A 272 CRYST1 40.520 69.760 108.960 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 0.024679 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014335 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009178 0.00000