PDB Short entry for 1G4Y HEADER SIGNALING PROTEIN 07-JAN-01 1G4Y TITLE 1.60 A CRYSTAL STRUCTURE OF THE GATING DOMAIN FROM SMALL CONDUCTANCE TITLE 2 POTASSIUM CHANNEL COMPLEXED WITH CALCIUM-CALMODULIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: CALCIUM-ACTIVATED POTASSIUM CHANNEL RSK2; COMPND 3 CHAIN: B; COMPND 4 FRAGMENT: CALMODULIN-BINDING DOMAIN; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: CALMODULIN; COMPND 8 CHAIN: R; COMPND 9 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: RAT; 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: PET23B; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 13 ORGANISM_COMMON: NORWAY RAT; SOURCE 14 ORGANISM_TAXID: 10116; SOURCE 15 GENE: RAT; SOURCE 16 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 17 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 18 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 20 EXPRESSION_SYSTEM_PLASMID: PET33B KEYWDS SMALL-CONDUCTANCE CALCIUM-ACTIVATED POTASSIUM CHANNEL, CALMODULIN, KEYWDS 2 CALMODULIN BINDING DOMAIN (CAMBD), CHANNEL GATING, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.A.SCHUMACHER,A.RIVARD,H.P.BACHINGER,J.P.ADELMAN REVDAT 7 03-APR-24 1G4Y 1 REMARK REVDAT 6 07-FEB-24 1G4Y 1 REMARK SEQADV LINK REVDAT 5 16-NOV-11 1G4Y 1 HETATM REVDAT 4 13-JUL-11 1G4Y 1 VERSN REVDAT 3 24-FEB-09 1G4Y 1 VERSN REVDAT 2 01-APR-03 1G4Y 1 JRNL REVDAT 1 09-MAY-01 1G4Y 0 JRNL AUTH M.A.SCHUMACHER,A.F.RIVARD,H.P.BACHINGER,J.P.ADELMAN JRNL TITL STRUCTURE OF THE GATING DOMAIN OF A CA2+-ACTIVATED K+ JRNL TITL 2 CHANNEL COMPLEXED WITH CA2+/CALMODULIN. JRNL REF NATURE V. 410 1120 2001 JRNL REFN ISSN 0028-0836 JRNL PMID 11323678 JRNL DOI 10.1038/35074145 REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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 AND HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 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) (%) : 93.6 REMARK 3 NUMBER OF REFLECTIONS : 40687 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) : 0.221 REMARK 3 FREE R VALUE : 0.251 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 4091 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 : 1838 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 199 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 36.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 4.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.02 REMARK 3 ESD FROM SIGMAA (A) : 0.23 REMARK 3 LOW RESOLUTION CUTOFF (A) : 6.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.02 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.26 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.014 REMARK 3 BOND ANGLES (DEGREES) : 1.570 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC 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 1G4Y COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-JAN-01. REMARK 100 THE DEPOSITION ID IS D_1000012605. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-DEC-00 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08 REMARK 200 MONOCHROMATOR : DOUBLE-CRYSTAL SI 111 CRYSTALS REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 40694 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.1 REMARK 200 DATA REDUNDANCY : 2.800 REMARK 200 R MERGE (I) : 0.06000 REMARK 200 R SYM (I) : 5.00000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 8.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.64 REMARK 200 COMPLETENESS FOR SHELL (%) : 87.9 REMARK 200 DATA REDUNDANCY IN SHELL : 2.30 REMARK 200 R MERGE FOR SHELL (I) : 0.32000 REMARK 200 R SYM FOR SHELL (I) : 28.9000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR REMARK 200 SOFTWARE USED: PHASES REMARK 200 STARTING MODEL: ROOM TEMP MODEL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.57 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULPHATE, LITHIUM SULPHATE, REMARK 280 CITRATE, PH 5.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 38.82500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.34500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 38.82500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 33.34500 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 300 REMARK: THE RELEVANT DIMER IS GENERATED BY CRYSTALLOGRAPHIC REMARK 300 SYMMETRY. 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 12340 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23100 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -127.0 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 73.47540 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 64.55516 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 806 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 818 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 GLY B 395 REMARK 465 ARG B 396 REMARK 465 LYS B 397 REMARK 465 LEU B 398 REMARK 465 GLU B 399 REMARK 465 LEU B 400 REMARK 465 THR B 401 REMARK 465 LYS B 402 REMARK 465 ALA B 403 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 GLU B 489 REMARK 465 LYS R 148 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH R 1047 O HOH R 1135 0.00 REMARK 500 O HOH B 809 O HOH B 815 2.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH B 846 O HOH B 846 2656 2.15 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 HIS B 494 N - CA - C ANGL. DEV. = 18.2 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 B 439 -24.54 -145.66 REMARK 500 ASP R 2 72.96 -118.52 REMARK 500 GLN R 3 -12.29 64.94 REMARK 500 ALA R 57 -75.49 -63.17 REMARK 500 LYS R 75 49.93 -153.23 REMARK 500 LYS R 115 155.41 77.94 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 R1001 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP R 20 OD1 REMARK 620 2 ASP R 22 OD1 70.9 REMARK 620 3 ASP R 22 OD2 111.1 40.5 REMARK 620 4 ASP R 24 OD1 80.3 80.2 81.7 REMARK 620 5 THR R 26 O 85.5 146.4 146.4 72.3 REMARK 620 6 GLU R 31 OE2 98.6 77.4 76.9 156.6 131.1 REMARK 620 7 GLU R 31 OE1 109.0 129.1 118.0 150.6 80.5 51.9 REMARK 620 8 HOH R1024 O 171.8 105.0 64.4 92.1 95.1 87.2 79.1 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA R1002 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP R 56 OD1 REMARK 620 2 ASP R 58 OD2 116.1 REMARK 620 3 ASN R 60 OD1 93.2 78.1 REMARK 620 4 THR R 62 O 96.5 132.3 65.6 REMARK 620 5 GLU R 67 OE1 137.3 101.1 115.3 70.4 REMARK 620 6 GLU R 67 OE2 111.2 88.7 155.5 111.8 46.7 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 CA R 1001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA R 1002 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 799 DBREF 1G4Y B 396 487 UNP P70604 KCNN2_RAT 369 460 DBREF 1G4Y R 1 148 UNP P62161 CALM_RAT 2 149 SEQADV 1G4Y MET B 394 UNP P70604 CLONING ARTIFACT SEQADV 1G4Y GLY B 395 UNP P70604 CLONING ARTIFACT SEQADV 1G4Y LEU B 488 UNP P70604 EXPRESSION TAG SEQADV 1G4Y GLU B 489 UNP P70604 EXPRESSION TAG SEQADV 1G4Y HIS B 490 UNP P70604 EXPRESSION TAG SEQADV 1G4Y HIS B 491 UNP P70604 EXPRESSION TAG SEQADV 1G4Y HIS B 492 UNP P70604 EXPRESSION TAG SEQADV 1G4Y HIS B 493 UNP P70604 EXPRESSION TAG SEQADV 1G4Y HIS B 494 UNP P70604 EXPRESSION TAG SEQRES 1 B 101 MET GLY ARG LYS LEU GLU LEU THR LYS ALA GLU LYS HIS SEQRES 2 B 101 VAL HIS ASN PHE MET MET ASP THR GLN LEU THR LYS ARG SEQRES 3 B 101 VAL LYS ASN ALA ALA ALA ASN VAL LEU ARG GLU THR TRP SEQRES 4 B 101 LEU ILE TYR LYS ASN THR LYS LEU VAL LYS LYS ILE ASP SEQRES 5 B 101 HIS ALA LYS VAL ARG LYS HIS GLN ARG LYS PHE LEU GLN SEQRES 6 B 101 ALA ILE HIS GLN LEU ARG SER VAL LYS MET GLU GLN ARG SEQRES 7 B 101 LYS LEU ASN ASP GLN ALA ASN THR LEU VAL ASP LEU ALA SEQRES 8 B 101 LYS THR GLN LEU GLU HIS HIS HIS HIS HIS SEQRES 1 R 148 ALA ASP GLN LEU THR GLU GLU GLN ILE ALA GLU PHE LYS SEQRES 2 R 148 GLU ALA PHE SER LEU PHE ASP LYS ASP GLY ASP GLY THR SEQRES 3 R 148 ILE THR THR LYS GLU LEU GLY THR VAL MET ARG SER LEU SEQRES 4 R 148 GLY GLN ASN PRO THR GLU ALA GLU LEU GLN ASP MET ILE SEQRES 5 R 148 ASN GLU VAL ASP ALA ASP GLY ASN GLY THR ILE ASP PHE SEQRES 6 R 148 PRO GLU PHE LEU THR MET MET ALA ARG LYS MET LYS ASP SEQRES 7 R 148 THR ASP SER GLU GLU GLU ILE ARG GLU ALA PHE ARG VAL SEQRES 8 R 148 PHE ASP LYS ASP GLY ASN GLY TYR ILE SER ALA ALA GLU SEQRES 9 R 148 LEU ARG HIS VAL MET THR ASN LEU GLY GLU LYS LEU THR SEQRES 10 R 148 ASP GLU GLU VAL ASP GLU MET ILE ARG GLU ALA ASP ILE SEQRES 11 R 148 ASP GLY ASP GLY GLN VAL ASN TYR GLU GLU PHE VAL GLN SEQRES 12 R 148 MET MET THR ALA LYS HET SO4 B 799 5 HET CA R1001 1 HET CA R1002 1 HETNAM SO4 SULFATE ION HETNAM CA CALCIUM ION FORMUL 3 SO4 O4 S 2- FORMUL 4 CA 2(CA 2+) FORMUL 6 HOH *199(H2 O) HELIX 1 1 ASP B 413 LEU B 440 1 28 HELIX 2 2 ASP B 445 THR B 486 1 42 HELIX 3 3 THR R 5 ASP R 20 1 16 HELIX 4 4 THR R 28 LEU R 39 1 12 HELIX 5 5 THR R 44 VAL R 55 1 12 HELIX 6 6 PRO R 66 ARG R 74 1 9 HELIX 7 7 SER R 81 VAL R 91 1 11 HELIX 8 8 ALA R 102 THR R 110 1 9 HELIX 9 9 THR R 117 ASP R 129 1 13 HELIX 10 10 TYR R 138 ALA R 147 1 10 SHEET 1 A 2 TYR R 99 SER R 101 0 SHEET 2 A 2 GLN R 135 ASN R 137 -1 N VAL R 136 O ILE R 100 LINK OD1 ASP R 20 CA CA R1001 1555 1555 2.40 LINK OD1 ASP R 22 CA CA R1001 1555 1555 2.12 LINK OD2 ASP R 22 CA CA R1001 1555 1555 3.31 LINK OD1 ASP R 24 CA CA R1001 1555 1555 2.33 LINK O THR R 26 CA CA R1001 1555 1555 2.33 LINK OE2 GLU R 31 CA CA R1001 1555 1555 2.68 LINK OE1 GLU R 31 CA CA R1001 1555 1555 2.32 LINK OD1 ASP R 56 CA CA R1002 1555 1555 2.05 LINK OD2 ASP R 58 CA CA R1002 1555 1555 2.42 LINK OD1 ASN R 60 CA CA R1002 1555 1555 2.64 LINK O THR R 62 CA CA R1002 1555 1555 2.68 LINK OE1 GLU R 67 CA CA R1002 1555 1555 3.03 LINK OE2 GLU R 67 CA CA R1002 1555 1555 2.23 LINK CA CA R1001 O HOH R1024 1555 1555 2.25 SITE 1 AC1 6 ASP R 20 ASP R 22 ASP R 24 THR R 26 SITE 2 AC1 6 GLU R 31 HOH R1024 SITE 1 AC2 6 ASP R 56 ALA R 57 ASP R 58 ASN R 60 SITE 2 AC2 6 THR R 62 GLU R 67 SITE 1 AC3 4 ARG B 429 LYS B 451 HIS B 452 LYS B 455 CRYST1 77.650 66.690 64.690 90.00 93.70 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 0.012878 0.000000 0.000833 0.00000 SCALE2 0.000000 0.014995 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015491 0.00000