HEADER HYDROLASE 01-FEB-02 1KXR TITLE CRYSTAL STRUCTURE OF CALCIUM-BOUND PROTEASE CORE OF CALPAIN I COMPND MOL_ID: 1; COMPND 2 MOLECULE: THIOL PROTEASE DOMAINS I AND II; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: RESIDUES 27-356; COMPND 5 SYNONYM: CALPAIN I PROTEASE CORE; COMPND 6 EC: 3.4.22.17; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: 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; 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 PAPAIN-RELATED, CALCIUM-DEPENDENT CYSTEINE PROTEASE, TWO NOVEL KEYWDS 2 COOPERATIVE CALCIUM SITES, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR T.MOLDOVEANU,C.M.HOSFIELD,D.LIM,J.S.ELCE,Z.JIA,P.L.DAVIES REVDAT 5 16-AUG-23 1KXR 1 REMARK REVDAT 4 27-OCT-21 1KXR 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1KXR 1 VERSN REVDAT 2 01-APR-03 1KXR 1 JRNL REVDAT 1 20-MAR-02 1KXR 0 JRNL AUTH T.MOLDOVEANU,C.M.HOSFIELD,D.LIM,J.S.ELCE,Z.JIA,P.L.DAVIES JRNL TITL A CA(2+) SWITCH ALIGNS THE ACTIVE SITE OF CALPAIN. JRNL REF CELL(CAMBRIDGE,MASS.) V. 108 649 2002 JRNL REFN ISSN 0092-8674 JRNL PMID 11893336 JRNL DOI 10.1016/S0092-8674(02)00659-1 REMARK 2 REMARK 2 RESOLUTION. 2.07 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.07 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 92.0 REMARK 3 NUMBER OF REFLECTIONS : 43051 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) : 0.213 REMARK 3 FREE R VALUE : 0.256 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2154 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) : 2.07 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.14 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2432 REMARK 3 BIN FREE R VALUE : 0.2733 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 191 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 : 5154 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 359 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) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.680 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 1KXR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-FEB-02. REMARK 100 THE DEPOSITION ID IS D_1000015446. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-MAR-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : YALE MIRRORS REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 43051 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.070 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.0 REMARK 200 DATA REDUNDANCY : 8.000 REMARK 200 R MERGE (I) : 0.09100 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 11.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.07 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.14 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.6 REMARK 200 DATA REDUNDANCY IN SHELL : 5.40 REMARK 200 R MERGE FOR SHELL (I) : 0.39000 REMARK 200 R SYM FOR SHELL (I) : 0.36800 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.800 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 1DF0 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.41 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.48 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CHLORIDE, CALCIUM CHLORIDE, REMARK 280 MES, PEG 6000, PH 6.0, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 74.72150 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 20.24600 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 74.72150 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 20.24600 REMARK 290 SMTRY3 4 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 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 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 LEU A 353 REMARK 465 THR A 354 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 465 MET B 26 REMARK 465 GLY B 27 REMARK 465 LEU B 28 REMARK 465 GLY B 29 REMARK 465 ARG B 30 REMARK 465 HIS B 31 REMARK 465 GLU B 32 REMARK 465 THR B 354 REMARK 465 PRO B 355 REMARK 465 ASP B 356 REMARK 465 LEU B 357 REMARK 465 GLU B 358 REMARK 465 HIS B 359 REMARK 465 HIS B 360 REMARK 465 HIS B 361 REMARK 465 HIS B 362 REMARK 465 HIS B 363 REMARK 465 HIS B 364 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ILE A 257 CG1 CG2 CD1 REMARK 470 ASP A 259 CG OD1 OD2 REMARK 470 ILE B 257 CG1 CG2 CD1 REMARK 470 ASP B 259 CG OD1 OD2 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 69.77 -160.25 REMARK 500 LYS A 71 -84.04 -128.76 REMARK 500 GLN A 142 -121.44 -100.48 REMARK 500 ALA A 146 27.41 -144.45 REMARK 500 PHE A 177 -141.78 -101.81 REMARK 500 SER A 201 169.24 179.10 REMARK 500 THR A 218 -31.84 -136.14 REMARK 500 ASP A 259 -74.02 179.37 REMARK 500 LEU A 260 143.86 68.38 REMARK 500 GLU A 261 101.16 58.32 REMARK 500 ALA A 262 145.71 -175.41 REMARK 500 THR A 264 -165.15 -128.63 REMARK 500 GLN A 285 28.40 48.23 REMARK 500 VAL A 301 97.39 70.74 REMARK 500 MET A 329 132.67 -178.67 REMARK 500 PHE B 61 67.08 -161.60 REMARK 500 LYS B 71 -82.81 -130.34 REMARK 500 GLN B 142 -115.31 -103.28 REMARK 500 ALA B 146 26.99 -142.54 REMARK 500 PHE B 177 -142.89 -99.44 REMARK 500 LYS B 229 45.25 -144.23 REMARK 500 ASN B 267 35.25 72.25 REMARK 500 ALA B 279 115.75 -160.77 REMARK 500 GLN B 287 146.64 65.57 REMARK 500 PRO B 297 -6.81 -58.71 REMARK 500 VAL B 301 94.53 70.72 REMARK 500 MET B 329 136.81 -172.84 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 1 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 157.9 122.3 REMARK 620 4 ASP A 106 OD2 150.3 77.7 51.7 REMARK 620 5 GLU A 185 OE1 112.5 132.3 66.5 76.7 REMARK 620 6 GLU A 185 OE2 82.2 87.5 109.3 83.5 50.1 REMARK 620 7 HOH A 450 O 89.0 73.1 85.1 95.9 149.0 160.3 REMARK 620 8 HOH A 451 O 76.3 140.3 81.7 133.5 84.7 115.7 78.8 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 2 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 302 OE1 REMARK 620 2 GLU A 302 OE2 53.1 REMARK 620 3 ASP A 309 OD1 81.1 112.6 REMARK 620 4 ASP A 309 OD2 74.2 126.8 44.4 REMARK 620 5 MET A 329 O 108.4 78.3 72.9 116.8 REMARK 620 6 ASP A 331 OD1 120.5 71.6 146.7 158.0 76.0 REMARK 620 7 GLU A 333 O 76.4 88.6 129.1 85.4 157.8 82.9 REMARK 620 8 HOH A 380 O 149.2 157.6 81.8 75.6 90.6 87.0 95.2 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 3 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL B 99 O REMARK 620 2 GLY B 101 O 80.4 REMARK 620 3 ASP B 106 OD1 154.1 119.4 REMARK 620 4 ASP B 106 OD2 153.4 81.0 52.3 REMARK 620 5 GLU B 185 OE1 107.3 139.3 69.7 75.8 REMARK 620 6 GLU B 185 OE2 81.7 92.7 111.8 80.4 51.1 REMARK 620 7 HOH B 443 O 76.8 145.9 77.9 127.7 72.5 108.5 REMARK 620 8 HOH B 444 O 88.5 73.7 82.1 104.3 144.3 164.4 80.7 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 4 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 302 OE1 REMARK 620 2 GLU B 302 OE2 53.8 REMARK 620 3 ASP B 309 OD1 81.9 114.2 REMARK 620 4 ASP B 309 OD2 78.2 131.5 43.6 REMARK 620 5 MET B 329 O 108.1 75.5 76.2 118.8 REMARK 620 6 ASP B 331 OD1 121.3 71.9 147.0 153.9 74.3 REMARK 620 7 GLU B 333 O 82.3 95.5 127.1 83.8 156.3 82.1 REMARK 620 8 HOH B 446 O 152.8 152.2 86.1 76.3 92.4 80.8 85.7 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 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 2 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 3 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 4 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1DF0 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF RAT CALCIUM-FREE CALPAIN II HETERODIMER REMARK 900 RELATED ID: 1KFU RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CALCIUM-FREE HUMAN CALPAIN II HETERODIMER - REMARK 900 CRYSTAL FORM I REMARK 900 RELATED ID: 1KFX RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CALCIUM-FREE HUMAN CALPAIN II HETERODIMER - REMARK 900 CRYSTAL FORM II REMARK 900 RELATED ID: 1DVI RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CALCIUM-BOUND DOMAIN VI HOMODIMER REMARK 900 RELATED ID: 1AJ5 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CALCIUM-FREE DOMAIN VI HOMODIMER REMARK 900 RELATED ID: 1ALW RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CALCIUM/INHIBITOR-BOUND DOMAIN VI HOMODIMER DBREF 1KXR A 27 356 UNP P97571 CAN1_RAT 27 356 DBREF 1KXR B 27 356 UNP P97571 CAN1_RAT 27 356 SEQADV 1KXR MET A 26 UNP P97571 INITIATING METHIONINE SEQADV 1KXR SER A 115 UNP P97571 CYS 115 ENGINEERED MUTATION SEQADV 1KXR LEU A 357 UNP P97571 EXPRESSION TAG SEQADV 1KXR GLU A 358 UNP P97571 EXPRESSION TAG SEQADV 1KXR HIS A 359 UNP P97571 EXPRESSION TAG SEQADV 1KXR HIS A 360 UNP P97571 EXPRESSION TAG SEQADV 1KXR HIS A 361 UNP P97571 EXPRESSION TAG SEQADV 1KXR HIS A 362 UNP P97571 EXPRESSION TAG SEQADV 1KXR HIS A 363 UNP P97571 EXPRESSION TAG SEQADV 1KXR HIS A 364 UNP P97571 EXPRESSION TAG SEQADV 1KXR MET B 26 UNP P97571 INITIATING METHIONINE SEQADV 1KXR SER B 115 UNP P97571 CYS 115 ENGINEERED MUTATION SEQADV 1KXR LEU B 357 UNP P97571 EXPRESSION TAG SEQADV 1KXR GLU B 358 UNP P97571 EXPRESSION TAG SEQADV 1KXR HIS B 359 UNP P97571 EXPRESSION TAG SEQADV 1KXR HIS B 360 UNP P97571 EXPRESSION TAG SEQADV 1KXR HIS B 361 UNP P97571 EXPRESSION TAG SEQADV 1KXR HIS B 362 UNP P97571 EXPRESSION TAG SEQADV 1KXR HIS B 363 UNP P97571 EXPRESSION TAG SEQADV 1KXR HIS B 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 SER 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 SEQRES 1 B 339 MET GLY LEU GLY ARG HIS GLU ASN ALA ILE LYS TYR LEU SEQRES 2 B 339 GLY GLN ASP TYR GLU ASN LEU ARG ALA ARG CYS LEU GLN SEQRES 3 B 339 ASN GLY VAL LEU PHE GLN ASP ASP ALA PHE PRO PRO VAL SEQRES 4 B 339 SER HIS SER LEU GLY PHE LYS GLU LEU GLY PRO ASN SER SEQRES 5 B 339 SER LYS THR TYR GLY ILE LYS TRP LYS ARG PRO THR GLU SEQRES 6 B 339 LEU LEU SER ASN PRO GLN PHE ILE VAL ASP GLY ALA THR SEQRES 7 B 339 ARG THR ASP ILE CYS GLN GLY ALA LEU GLY ASP SER TRP SEQRES 8 B 339 LEU LEU ALA ALA ILE ALA SER LEU THR LEU ASN GLU THR SEQRES 9 B 339 ILE LEU HIS ARG VAL VAL PRO TYR GLY GLN SER PHE GLN SEQRES 10 B 339 GLU GLY TYR ALA GLY ILE PHE HIS PHE GLN LEU TRP GLN SEQRES 11 B 339 PHE GLY GLU TRP VAL ASP VAL VAL VAL ASP ASP LEU LEU SEQRES 12 B 339 PRO THR LYS ASP GLY LYS LEU VAL PHE VAL HIS SER ALA SEQRES 13 B 339 GLN GLY ASN GLU PHE TRP SER ALA LEU LEU GLU LYS ALA SEQRES 14 B 339 TYR ALA LYS VAL ASN GLY SER TYR GLU ALA LEU SER GLY SEQRES 15 B 339 GLY CYS THR SER GLU ALA PHE GLU ASP PHE THR GLY GLY SEQRES 16 B 339 VAL THR GLU TRP TYR ASP LEU GLN LYS ALA PRO SER ASP SEQRES 17 B 339 LEU TYR GLN ILE ILE LEU LYS ALA LEU GLU ARG GLY SER SEQRES 18 B 339 LEU LEU GLY CYS SER ILE ASN ILE SER ASP ILE ARG ASP SEQRES 19 B 339 LEU GLU ALA ILE THR PHE LYS ASN LEU VAL ARG GLY HIS SEQRES 20 B 339 ALA TYR SER VAL THR ASP ALA LYS GLN VAL THR TYR GLN SEQRES 21 B 339 GLY GLN ARG VAL ASN LEU ILE ARG MET ARG ASN PRO TRP SEQRES 22 B 339 GLY GLU VAL GLU TRP LYS GLY PRO TRP SER ASP ASN SER SEQRES 23 B 339 TYR GLU TRP ASN LYS VAL ASP PRO TYR GLU ARG GLU GLN SEQRES 24 B 339 LEU ARG VAL LYS MET GLU ASP GLY GLU PHE TRP MET SER SEQRES 25 B 339 PHE ARG ASP PHE ILE ARG GLU PHE THR LYS LEU GLU ILE SEQRES 26 B 339 CYS ASN LEU THR PRO ASP LEU GLU HIS HIS HIS HIS HIS SEQRES 27 B 339 HIS HET CA A 1 1 HET CA A 2 1 HET CA B 3 1 HET CA B 4 1 HETNAM CA CALCIUM ION FORMUL 3 CA 4(CA 2+) FORMUL 7 HOH *359(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 GLY A 200 1 15 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 GLN A 228 ALA A 230 5 3 HELIX 13 13 ASP A 233 ARG A 244 1 12 HELIX 14 14 SER A 311 VAL A 317 5 7 HELIX 15 15 ASP A 318 ARG A 326 1 9 HELIX 16 16 PHE A 338 PHE A 345 1 8 HELIX 17 17 LEU B 38 GLN B 40 5 3 HELIX 18 18 ASP B 41 ASN B 52 1 12 HELIX 19 19 VAL B 64 GLY B 69 1 6 HELIX 20 20 SER B 77 TYR B 81 5 5 HELIX 21 21 ARG B 87 LEU B 92 1 6 HELIX 22 22 THR B 103 ILE B 107 5 5 HELIX 23 23 ASP B 114 THR B 125 1 12 HELIX 24 24 ASN B 127 VAL B 135 1 9 HELIX 25 25 PHE B 186 ASN B 199 1 14 HELIX 26 26 TYR B 202 SER B 206 5 5 HELIX 27 27 CYS B 209 GLY B 219 1 11 HELIX 28 28 GLN B 228 ALA B 230 5 3 HELIX 29 29 ASP B 233 GLY B 245 1 13 HELIX 30 30 ASP B 256 LEU B 260 5 5 HELIX 31 31 SER B 311 VAL B 317 5 7 HELIX 32 32 ASP B 318 ARG B 326 1 9 HELIX 33 33 PHE B 338 PHE B 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 THR A 222 ASP A 226 0 SHEET 2 C 6 LYS A 347 CYS A 351 -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 GLN A 287 N TYR A 284 SHEET 6 C 6 GLU A 333 SER A 337 -1 O MET A 336 N ILE A 292 SHEET 1 D 2 ALA A 262 ILE A 263 0 SHEET 2 D 2 VAL A 269 ARG A 270 -1 O ARG A 270 N ALA A 262 SHEET 1 E 3 ILE B 35 LYS B 36 0 SHEET 2 E 3 GLU B 158 ASP B 165 1 O ASP B 161 N ILE B 35 SHEET 3 E 3 ILE B 148 GLN B 155 -1 N PHE B 151 O VAL B 162 SHEET 1 F 3 LYS B 84 LYS B 86 0 SHEET 2 F 3 LEU B 168 LYS B 171 -1 O THR B 170 N LYS B 84 SHEET 3 F 3 LYS B 174 LEU B 175 -1 O LYS B 174 N LYS B 171 SHEET 1 G 6 VAL B 221 ASP B 226 0 SHEET 2 G 6 LYS B 347 ASN B 352 -1 O ASN B 352 N VAL B 221 SHEET 3 G 6 LEU B 247 SER B 251 -1 N GLY B 249 O GLU B 349 SHEET 4 G 6 TYR B 274 THR B 283 -1 O TYR B 274 N CYS B 250 SHEET 5 G 6 ARG B 288 ARG B 295 -1 O ARG B 295 N SER B 275 SHEET 6 G 6 GLU B 333 SER B 337 -1 O MET B 336 N ILE B 292 LINK CA CA A 1 O VAL A 99 1555 1555 2.36 LINK CA CA A 1 O GLY A 101 1555 1555 2.45 LINK CA CA A 1 OD1 ASP A 106 1555 1555 2.51 LINK CA CA A 1 OD2 ASP A 106 1555 1555 2.51 LINK CA CA A 1 OE1 GLU A 185 1555 1555 2.65 LINK CA CA A 1 OE2 GLU A 185 1555 1555 2.55 LINK CA CA A 1 O HOH A 450 1555 1555 2.24 LINK CA CA A 1 O HOH A 451 1555 1555 2.63 LINK CA CA A 2 OE1 GLU A 302 1555 1555 2.54 LINK CA CA A 2 OE2 GLU A 302 1555 1555 2.36 LINK CA CA A 2 OD1 ASP A 309 1555 1555 2.23 LINK CA CA A 2 OD2 ASP A 309 1555 1555 3.13 LINK CA CA A 2 O MET A 329 1555 1555 2.54 LINK CA CA A 2 OD1 ASP A 331 1555 1555 2.44 LINK CA CA A 2 O GLU A 333 1555 1555 2.23 LINK CA CA A 2 O HOH A 380 1555 1555 2.42 LINK CA CA B 3 O VAL B 99 1555 1555 2.37 LINK CA CA B 3 O GLY B 101 1555 1555 2.41 LINK CA CA B 3 OD1 ASP B 106 1555 1555 2.57 LINK CA CA B 3 OD2 ASP B 106 1555 1555 2.40 LINK CA CA B 3 OE1 GLU B 185 1555 1555 2.64 LINK CA CA B 3 OE2 GLU B 185 1555 1555 2.44 LINK CA CA B 3 O HOH B 443 1555 1555 2.46 LINK CA CA B 3 O HOH B 444 1555 1555 2.33 LINK CA CA B 4 OE1 GLU B 302 1555 1555 2.41 LINK CA CA B 4 OE2 GLU B 302 1555 1555 2.46 LINK CA CA B 4 OD1 ASP B 309 1555 1555 2.21 LINK CA CA B 4 OD2 ASP B 309 1555 1555 3.19 LINK CA CA B 4 O MET B 329 1555 1555 2.42 LINK CA CA B 4 OD1 ASP B 331 1555 1555 2.52 LINK CA CA B 4 O GLU B 333 1555 1555 2.28 LINK CA CA B 4 O HOH B 446 1555 1555 2.31 SITE 1 AC1 6 VAL A 99 GLY A 101 ASP A 106 GLU A 185 SITE 2 AC1 6 HOH A 450 HOH A 451 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 380 SITE 1 AC3 6 VAL B 99 GLY B 101 ASP B 106 GLU B 185 SITE 2 AC3 6 HOH B 443 HOH B 444 SITE 1 AC4 6 GLU B 302 ASP B 309 MET B 329 ASP B 331 SITE 2 AC4 6 GLU B 333 HOH B 446 CRYST1 149.443 40.492 132.328 90.00 105.96 90.00 C 1 2 1 8 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 0.006692 0.000000 0.001914 0.00000 SCALE2 0.000000 0.024696 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007860 0.00000