HEADER TRANSPORT PROTEIN/METAL BINDING PROTEIN 28-FEB-17 5V03 TITLE A POSITIVE ALLOSTERIC MODULATOR BINDING POCKET IN SK2 ION CHANNELS IS TITLE 2 SHARED BY RILUZOLE AND CYPPA COMPND MOL_ID: 1; COMPND 2 MOLECULE: SMALL CONDUCTANCE CALCIUM-ACTIVATED POTASSIUM CHANNEL COMPND 3 PROTEIN 2; COMPND 4 CHAIN: B; COMPND 5 FRAGMENT: UNP RESIDUES 395-486; COMPND 6 SYNONYM: SKCA2,KCA2.2; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: CALMODULIN; COMPND 10 CHAIN: R; COMPND 11 SYNONYM: CAM; COMPND 12 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: KCNN2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI-PICHIA PASTORIS SHUTTLE VECTOR SOURCE 7 PPPARG4; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 1182032; SOURCE 9 MOL_ID: 2; SOURCE 10 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 11 ORGANISM_COMMON: HUMAN; SOURCE 12 ORGANISM_TAXID: 9606; SOURCE 13 GENE: CALM1, CALM, CAM, CAM1, CALM2, CAM2, CAMB, CALM3, CALML2, SOURCE 14 CAM3, CAMC, CAMIII; SOURCE 15 EXPRESSION_SYSTEM: ESCHERICHIA COLI-PICHIA PASTORIS SHUTTLE VECTOR SOURCE 16 PPPARG4; SOURCE 17 EXPRESSION_SYSTEM_TAXID: 1182032 KEYWDS CALCIUM-ACTIVATED ION CHANNELS, ACTIVATOR, CALMODULIN, TRANSPORT KEYWDS 2 PROTEIN-METAL BINDING PROTEIN COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR S.LIU REVDAT 3 04-OCT-23 5V03 1 REMARK REVDAT 2 25-APR-18 5V03 1 JRNL REVDAT 1 07-MAR-18 5V03 0 JRNL AUTH L.T.CHO,A.J.ALEXANDROU,R.TORELLA,J.KNAFELS,J.HOBBS,T.TAYLOR, JRNL AUTH 2 A.LOUCIF,A.KONOPACKA,S.BELL,E.B.STEVENS,J.PANDIT,R.HORST, JRNL AUTH 3 J.M.WITHKA,D.C.PRYDE,S.LIU,G.T.YOUNG JRNL TITL AN INTRACELLULAR ALLOSTERIC MODULATOR BINDING POCKET IN SK2 JRNL TITL 2 ION CHANNELS IS SHARED BY MULTIPLE CHEMOTYPES. JRNL REF STRUCTURE V. 26 533 2018 JRNL REFN ISSN 1878-4186 JRNL PMID 29576321 JRNL DOI 10.1016/J.STR.2018.02.017 REMARK 2 REMARK 2 RESOLUTION. 1.58 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.11.7 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.58 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 23.08 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 91.2 REMARK 3 NUMBER OF REFLECTIONS : 41767 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 + TEST SET) : 0.196 REMARK 3 R VALUE (WORKING SET) : 0.194 REMARK 3 FREE R VALUE : 0.220 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.130 REMARK 3 FREE R VALUE TEST SET COUNT : 2144 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 : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 1.58 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 1.62 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 54.90 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 1868 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2385 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1786 REMARK 3 BIN R VALUE (WORKING SET) : 0.2381 REMARK 3 BIN FREE R VALUE : 0.2478 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.39 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 : 1849 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 28 REMARK 3 SOLVENT ATOMS : 176 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 29.58 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 39.08 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.66970 REMARK 3 B22 (A**2) : -4.02180 REMARK 3 B33 (A**2) : 0.35210 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 4.75580 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.220 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 0.081 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.081 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.079 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.080 REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.945 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.930 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 1938 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 2611 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 742 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES : 370 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 1938 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : 2 ; 5.000 ; SEMIHARMONIC REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 253 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 2487 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 0.96 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 2.85 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 15.26 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: { B|* } REMARK 3 ORIGIN FOR THE GROUP (A): 46.3073 58.3569 32.1183 REMARK 3 T TENSOR REMARK 3 T11: -0.0657 T22: -0.0879 REMARK 3 T33: -0.0461 T12: -0.0064 REMARK 3 T13: -0.0359 T23: -0.0035 REMARK 3 L TENSOR REMARK 3 L11: 1.8364 L22: 0.4634 REMARK 3 L33: 0.7441 L12: 0.0702 REMARK 3 L13: -0.3485 L23: 0.0548 REMARK 3 S TENSOR REMARK 3 S11: -0.0661 S12: 0.0860 S13: -0.0055 REMARK 3 S21: -0.0390 S22: 0.0227 S23: -0.0739 REMARK 3 S31: -0.1468 S32: -0.0035 S33: 0.0433 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: { R|* } REMARK 3 ORIGIN FOR THE GROUP (A): 22.1773 57.7044 43.9098 REMARK 3 T TENSOR REMARK 3 T11: -0.0824 T22: -0.0633 REMARK 3 T33: -0.1127 T12: 0.0367 REMARK 3 T13: -0.0147 T23: -0.0192 REMARK 3 L TENSOR REMARK 3 L11: 2.7075 L22: 2.9227 REMARK 3 L33: 0.5580 L12: -2.6289 REMARK 3 L13: 0.5246 L23: -0.7585 REMARK 3 S TENSOR REMARK 3 S11: -0.2925 S12: -0.3294 S13: 0.0755 REMARK 3 S21: 0.3167 S22: 0.2863 S23: -0.0442 REMARK 3 S31: -0.0578 S32: -0.0432 S33: 0.0061 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 5V03 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-MAR-17. REMARK 100 THE DEPOSITION ID IS D_1000226703. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-NOV-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 17-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 41783 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.580 REMARK 200 RESOLUTION RANGE LOW (A) : 50.470 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.3 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : 0.03200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 18.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.58 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.66 REMARK 200 COMPLETENESS FOR SHELL (%) : 60.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : 0.26800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 4GOW REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.43 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.89 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIA SULFATE, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 295K 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 38.54600 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.44100 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 38.54600 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 33.44100 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: 2890 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15070 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -53.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, R 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH B 624 LIES ON A SPECIAL POSITION. 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 B 394 REMARK 465 GLU B 404 REMARK 465 LYS B 405 REMARK 465 HIS B 406 REMARK 465 VAL B 407 REMARK 465 HIS B 408 REMARK 465 ASN B 409 REMARK 465 PHE B 410 REMARK 465 MET B 411 REMARK 465 MET B 412 REMARK 465 HIS B 490 REMARK 465 HIS B 491 REMARK 465 HIS B 492 REMARK 465 HIS B 493 REMARK 465 HIS B 494 REMARK 465 HIS B 495 REMARK 465 MET R 0 REMARK 465 ALA R 1 REMARK 465 ASP R 2 REMARK 465 LYS R 148 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 GLN R 3 CG CD OE1 NE2 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 B 397 -110.62 50.53 REMARK 500 LYS R 115 155.90 79.96 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 R 203 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP R 20 OD1 REMARK 620 2 ASP R 22 OD1 78.3 REMARK 620 3 ASP R 24 OD1 83.8 75.5 REMARK 620 4 THR R 26 O 81.3 150.1 80.8 REMARK 620 5 GLU R 31 OE1 113.1 131.6 149.1 76.8 REMARK 620 6 GLU R 31 OE2 99.3 77.7 151.7 127.5 54.5 REMARK 620 7 HOH R 366 O 160.4 93.5 76.9 98.6 85.7 96.3 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA R 202 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP R 56 OD1 REMARK 620 2 ASP R 58 OD1 61.1 REMARK 620 3 ASN R 60 OD1 73.4 72.8 REMARK 620 4 THR R 62 O 68.8 129.2 86.2 REMARK 620 5 GLU R 67 OE1 78.4 99.7 150.9 77.0 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 SO4 B 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue 658 R 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA R 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA R 203 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5V02 RELATED DB: PDB DBREF 5V03 B 396 487 UNP Q9H2S1 KCNN2_HUMAN 395 486 DBREF 5V03 R 0 148 UNP P62158 CALM_HUMAN 1 149 SEQADV 5V03 MET B 394 UNP Q9H2S1 INITIATING METHIONINE SEQADV 5V03 GLY B 395 UNP Q9H2S1 EXPRESSION TAG SEQADV 5V03 LEU B 488 UNP Q9H2S1 EXPRESSION TAG SEQADV 5V03 GLU B 489 UNP Q9H2S1 EXPRESSION TAG SEQADV 5V03 HIS B 490 UNP Q9H2S1 EXPRESSION TAG SEQADV 5V03 HIS B 491 UNP Q9H2S1 EXPRESSION TAG SEQADV 5V03 HIS B 492 UNP Q9H2S1 EXPRESSION TAG SEQADV 5V03 HIS B 493 UNP Q9H2S1 EXPRESSION TAG SEQADV 5V03 HIS B 494 UNP Q9H2S1 EXPRESSION TAG SEQADV 5V03 HIS B 495 UNP Q9H2S1 EXPRESSION TAG SEQRES 1 B 102 MET GLY ARG LYS LEU GLU LEU THR LYS ALA GLU LYS HIS SEQRES 2 B 102 VAL HIS ASN PHE MET MET ASP THR GLN LEU THR LYS ARG SEQRES 3 B 102 VAL LYS ASN ALA ALA ALA ASN VAL LEU ARG GLU THR TRP SEQRES 4 B 102 LEU ILE TYR LYS ASN THR LYS LEU VAL LYS LYS ILE ASP SEQRES 5 B 102 HIS ALA LYS VAL ARG LYS HIS GLN ARG LYS PHE LEU GLN SEQRES 6 B 102 ALA ILE HIS GLN LEU ARG SER VAL LYS MET GLU GLN ARG SEQRES 7 B 102 LYS LEU ASN ASP GLN ALA ASN THR LEU VAL ASP LEU ALA SEQRES 8 B 102 LYS THR GLN LEU GLU HIS HIS HIS HIS HIS HIS SEQRES 1 R 149 MET ALA ASP GLN LEU THR GLU GLU GLN ILE ALA GLU PHE SEQRES 2 R 149 LYS GLU ALA PHE SER LEU PHE ASP LYS ASP GLY ASP GLY SEQRES 3 R 149 THR ILE THR THR LYS GLU LEU GLY THR VAL MET ARG SER SEQRES 4 R 149 LEU GLY GLN ASN PRO THR GLU ALA GLU LEU GLN ASP MET SEQRES 5 R 149 ILE ASN GLU VAL ASP ALA ASP GLY ASN GLY THR ILE ASP SEQRES 6 R 149 PHE PRO GLU PHE LEU THR MET MET ALA ARG LYS MET LYS SEQRES 7 R 149 ASP THR ASP SER GLU GLU GLU ILE ARG GLU ALA PHE ARG SEQRES 8 R 149 VAL PHE ASP LYS ASP GLY ASN GLY TYR ILE SER ALA ALA SEQRES 9 R 149 GLU LEU ARG HIS VAL MET THR ASN LEU GLY GLU LYS LEU SEQRES 10 R 149 THR ASP GLU GLU VAL ASP GLU MET ILE ARG GLU ALA ASP SEQRES 11 R 149 ILE ASP GLY ASP GLY GLN VAL ASN TYR GLU GLU PHE VAL SEQRES 12 R 149 GLN MET MET THR ALA LYS HET SO4 B 501 5 HET 658 R 201 35 HET CA R 202 1 HET CA R 203 1 HETNAM SO4 SULFATE ION HETNAM 658 N-(4-CHLOROPHENYL)-2-(3,5-DIMETHYL-1H-PYRAZOL-1-YL) HETNAM 2 658 PYRIMIDIN-4-AMINE HETNAM CA CALCIUM ION FORMUL 3 SO4 O4 S 2- FORMUL 4 658 C15 H14 CL N5 FORMUL 5 CA 2(CA 2+) FORMUL 7 HOH *176(H2 O) HELIX 1 AA1 THR B 414 LEU B 440 1 27 HELIX 2 AA2 ASP B 445 THR B 486 1 42 HELIX 3 AA3 GLN B 487 GLU B 489 5 3 HELIX 4 AA4 THR R 5 ASP R 20 1 16 HELIX 5 AA5 THR R 28 LEU R 39 1 12 HELIX 6 AA6 THR R 44 ASP R 56 1 13 HELIX 7 AA7 ASP R 64 LYS R 75 1 12 HELIX 8 AA8 SER R 81 VAL R 91 1 11 HELIX 9 AA9 ALA R 102 THR R 110 1 9 HELIX 10 AB1 THR R 117 ASP R 129 1 13 HELIX 11 AB2 TYR R 138 ALA R 147 1 10 SHEET 1 AA1 2 LEU B 400 THR B 401 0 SHEET 2 AA1 2 ASP R 78 THR R 79 -1 O THR R 79 N LEU B 400 SHEET 1 AA2 2 TYR R 99 SER R 101 0 SHEET 2 AA2 2 GLN R 135 ASN R 137 -1 O VAL R 136 N ILE R 100 LINK OD1 ASP R 20 CA CA R 203 1555 1555 2.28 LINK OD1 ASP R 22 CA CA R 203 1555 1555 2.37 LINK OD1 ASP R 24 CA CA R 203 1555 1555 2.41 LINK O THR R 26 CA CA R 203 1555 1555 2.32 LINK OE1 GLU R 31 CA CA R 203 1555 1555 2.41 LINK OE2 GLU R 31 CA CA R 203 1555 1555 2.41 LINK OD1 ASP R 56 CA CA R 202 1555 1555 2.84 LINK OD1 ASP R 58 CA CA R 202 1555 1555 2.90 LINK OD1 ASN R 60 CA CA R 202 1555 1555 2.27 LINK O THR R 62 CA CA R 202 1555 1555 2.42 LINK OE1 GLU R 67 CA CA R 202 1555 1555 2.83 LINK CA CA R 203 O HOH R 366 1555 1555 2.35 SITE 1 AC1 4 ARG B 429 LYS B 451 HIS B 452 LYS B 455 SITE 1 AC2 11 GLN B 470 ASN B 474 ALA B 477 LEU B 480 SITE 2 AC2 11 PHE R 19 MET R 51 GLU R 54 VAL R 55 SITE 3 AC2 11 ILE R 63 PHE R 68 MET R 71 SITE 1 AC3 5 ASP R 56 ASP R 58 ASN R 60 THR R 62 SITE 2 AC3 5 GLU R 67 SITE 1 AC4 6 ASP R 20 ASP R 22 ASP R 24 THR R 26 SITE 2 AC4 6 GLU R 31 HOH R 366 CRYST1 77.092 66.882 65.381 90.00 93.95 90.00 C 1 2 1 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 0.012972 0.000000 0.000896 0.00000 SCALE2 0.000000 0.014952 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015331 0.00000