HEADER TRANSPORT PROTEIN/METAL BINDING PROTEIN 28-FEB-17 5V02 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-1; COMPND 10 CHAIN: R; COMPND 11 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; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI-PICHIA PASTORIS SHUTTLE VECTOR SOURCE 15 PPPARG4; SOURCE 16 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 5V02 1 REMARK REVDAT 2 25-APR-18 5V02 1 JRNL REVDAT 1 07-MAR-18 5V02 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. 1.78 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.11.6 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) : 1.78 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 23.02 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 3 NUMBER OF REFLECTIONS : 31179 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) : 0.195 REMARK 3 R VALUE (WORKING SET) : 0.194 REMARK 3 FREE R VALUE : 0.215 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.930 REMARK 3 FREE R VALUE TEST SET COUNT : 1536 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 : 16 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 1.78 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 1.84 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.29 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 2720 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2360 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2585 REMARK 3 BIN R VALUE (WORKING SET) : 0.2330 REMARK 3 BIN FREE R VALUE : 0.2914 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.96 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 135 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 : 1868 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 33 REMARK 3 SOLVENT ATOMS : 63 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 35.36 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 45.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 4.49310 REMARK 3 B22 (A**2) : -6.56450 REMARK 3 B33 (A**2) : 2.07150 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 3.72660 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.238 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 0.099 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.095 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.101 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.097 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 : 0.947 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.944 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 1943 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 2610 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 739 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : 70 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 287 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 1943 ; 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 : 255 ; 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 : 2291 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 0.99 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 2.71 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 16.33 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): 46.2942 58.3254 31.8680 REMARK 3 T TENSOR REMARK 3 T11: -0.2068 T22: -0.2262 REMARK 3 T33: -0.1991 T12: -0.0058 REMARK 3 T13: -0.0380 T23: 0.0014 REMARK 3 L TENSOR REMARK 3 L11: 3.0796 L22: 0.3844 REMARK 3 L33: 1.2823 L12: 0.0249 REMARK 3 L13: -1.0412 L23: 0.1786 REMARK 3 S TENSOR REMARK 3 S11: -0.0598 S12: 0.1564 S13: 0.0352 REMARK 3 S21: -0.0309 S22: 0.0411 S23: -0.0851 REMARK 3 S31: -0.1256 S32: -0.0485 S33: 0.0187 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: { R|* } REMARK 3 ORIGIN FOR THE GROUP (A): 21.9317 57.6921 43.4942 REMARK 3 T TENSOR REMARK 3 T11: -0.1838 T22: -0.1513 REMARK 3 T33: -0.2142 T12: 0.0311 REMARK 3 T13: -0.0108 T23: -0.0155 REMARK 3 L TENSOR REMARK 3 L11: 2.9387 L22: 2.9256 REMARK 3 L33: 0.6686 L12: -2.5411 REMARK 3 L13: 0.6374 L23: -0.8729 REMARK 3 S TENSOR REMARK 3 S11: -0.2837 S12: -0.3615 S13: 0.0888 REMARK 3 S21: 0.3182 S22: 0.2726 S23: -0.0245 REMARK 3 S31: -0.0948 S32: -0.0585 S33: 0.0111 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 5V02 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_1000226702. 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 : 31198 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.780 REMARK 200 RESOLUTION RANGE LOW (A) : 50.504 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : 0.03900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.78 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.79 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.7 REMARK 200 DATA REDUNDANCY IN SHELL : 3.10 REMARK 200 R MERGE FOR SHELL (I) : 0.52900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.000 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 (%): 57.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.87 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 38.88100 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.27700 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 38.88100 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 33.27700 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: 3160 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15450 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -49.0 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 619 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 625 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 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 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 ASP R 2 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 LYS B 397 -108.77 51.17 REMARK 500 LYS R 115 154.72 77.13 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 204 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP R 20 OD1 REMARK 620 2 ASP R 24 OD1 88.3 REMARK 620 3 THR R 26 O 94.8 101.6 REMARK 620 4 GLU R 31 OE1 135.1 136.6 78.9 REMARK 620 5 GLU R 31 OE2 96.8 132.9 124.3 55.5 REMARK 620 6 HOH R 331 O 158.1 70.6 94.9 66.1 93.8 REMARK 620 N 1 2 3 4 5 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 56 OD1 REMARK 620 2 ASP R 58 OD1 62.8 REMARK 620 3 ASN R 60 OD1 71.0 70.8 REMARK 620 4 THR R 62 O 65.3 124.7 75.6 REMARK 620 5 GLU R 67 OE1 79.4 108.5 147.0 79.0 REMARK 620 6 HOH R 323 O 145.6 135.2 87.3 83.9 110.7 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 SO4 B 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 B 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue 657 R 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GOL R 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA R 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA R 204 DBREF 5V02 B 396 487 UNP Q9H2S1 KCNN2_HUMAN 395 486 DBREF 5V02 R 0 148 UNP P0DP23 CALM1_HUMAN 1 149 SEQADV 5V02 MET B 394 UNP Q9H2S1 EXPRESSION TAG SEQADV 5V02 GLY B 395 UNP Q9H2S1 EXPRESSION TAG SEQADV 5V02 LEU B 488 UNP Q9H2S1 EXPRESSION TAG SEQADV 5V02 GLU B 489 UNP Q9H2S1 EXPRESSION TAG SEQADV 5V02 HIS B 490 UNP Q9H2S1 EXPRESSION TAG SEQADV 5V02 HIS B 491 UNP Q9H2S1 EXPRESSION TAG SEQADV 5V02 HIS B 492 UNP Q9H2S1 EXPRESSION TAG SEQADV 5V02 HIS B 493 UNP Q9H2S1 EXPRESSION TAG SEQADV 5V02 HIS B 494 UNP Q9H2S1 EXPRESSION TAG SEQADV 5V02 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 SO4 B 502 5 HET 657 R 201 20 HET GOL R 202 6 HET CA R 203 1 HET CA R 204 1 HETNAM SO4 SULFATE ION HETNAM 657 6-(TRIFLUOROMETHOXY)-1,3-BENZOTHIAZOL-2-AMINE HETNAM GOL GLYCEROL HETNAM CA CALCIUM ION HETSYN 657 RILUZOLE HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 3 SO4 2(O4 S 2-) FORMUL 5 657 C8 H5 F3 N2 O S FORMUL 6 GOL C3 H8 O3 FORMUL 7 CA 2(CA 2+) FORMUL 9 HOH *63(H2 O) HELIX 1 AA1 ASP B 413 LEU B 440 1 28 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 ARG R 74 1 11 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 204 1555 1555 2.21 LINK OD1 ASP R 24 CA CA R 204 1555 1555 2.11 LINK O THR R 26 CA CA R 204 1555 1555 2.16 LINK OE1 GLU R 31 CA CA R 204 1555 1555 2.44 LINK OE2 GLU R 31 CA CA R 204 1555 1555 2.29 LINK OD1 ASP R 56 CA CA R 203 1555 1555 2.77 LINK OD1 ASP R 58 CA CA R 203 1555 1555 2.70 LINK OD1 ASN R 60 CA CA R 203 1555 1555 2.50 LINK O THR R 62 CA CA R 203 1555 1555 2.77 LINK OE1 GLU R 67 CA CA R 203 1555 1555 2.76 LINK CA CA R 203 O HOH R 323 1555 1555 2.52 LINK CA CA R 204 O HOH R 331 1555 1555 2.73 SITE 1 AC1 1 ARG B 450 SITE 1 AC2 4 ARG B 429 LYS B 451 HIS B 452 LYS B 455 SITE 1 AC3 7 LEU B 480 VAL B 481 GLU R 54 VAL R 55 SITE 2 AC3 7 ILE R 63 PHE R 68 MET R 71 SITE 1 AC4 3 SER R 101 GLU R 104 HOH R 320 SITE 1 AC5 6 ASP R 56 ASP R 58 ASN R 60 THR R 62 SITE 2 AC5 6 GLU R 67 HOH R 323 SITE 1 AC6 6 ASP R 20 ASP R 22 ASP R 24 THR R 26 SITE 2 AC6 6 GLU R 31 HOH R 331 CRYST1 77.762 66.554 65.131 90.00 94.27 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 0.012860 0.000000 0.000960 0.00000 SCALE2 0.000000 0.015025 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015396 0.00000