HEADER TRANSPORT PROTEIN 27-JUL-09 3IGA TITLE POTASSIUM CHANNEL KCSA-FAB COMPLEX IN LI+ AND K+ COMPND MOL_ID: 1; COMPND 2 MOLECULE: ANTIBODY FAB FRAGMENT HEAVY CHAIN; COMPND 3 CHAIN: A; COMPND 4 MOL_ID: 2; COMPND 5 MOLECULE: ANTIBODY FAB FRAGMENT LIGHT CHAIN; COMPND 6 CHAIN: B; COMPND 7 MOL_ID: 3; COMPND 8 MOLECULE: VOLTAGE-GATED POTASSIUM CHANNEL; COMPND 9 CHAIN: C; COMPND 10 ENGINEERED: YES; COMPND 11 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 7 ORGANISM_COMMON: MOUSE; SOURCE 8 ORGANISM_TAXID: 10090; SOURCE 9 MOL_ID: 3; SOURCE 10 ORGANISM_SCIENTIFIC: STREPTOMYCES LIVIDANS; SOURCE 11 ORGANISM_TAXID: 1916; SOURCE 12 GENE: KCSA, SKC1; SOURCE 13 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 15 EXPRESSION_SYSTEM_STRAIN: BL21 KEYWDS KCSA, LITHIUM, LITHIUM BLOCK, POTASSIUM CHANNEL, MEMBRANE PROTEIN, KEYWDS 2 CELL MEMBRANE, ION TRANSPORT, IONIC CHANNEL, MEMBRANE, KEYWDS 3 TRANSMEMBRANE, TRANSPORT, VOLTAGE-GATED CHANNEL, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.N.THOMPSON,K.ILSOO,T.D.PANOSIAN,T.M.IVERSON,T.W.ALLEN,C.M.NIMIGEAN REVDAT 8 09-OCT-24 3IGA 1 REMARK REVDAT 7 06-SEP-23 3IGA 1 REMARK REVDAT 6 13-OCT-21 3IGA 1 REMARK SEQADV REVDAT 5 24-JAN-18 3IGA 1 AUTHOR REMARK REVDAT 4 25-SEP-13 3IGA 1 REMARK VERSN REVDAT 3 22-DEC-09 3IGA 1 JRNL REVDAT 2 01-DEC-09 3IGA 1 JRNL REVDAT 1 17-NOV-09 3IGA 0 JRNL AUTH A.N.THOMPSON,I.KIM,T.D.PANOSIAN,T.M.IVERSON,T.W.ALLEN, JRNL AUTH 2 C.M.NIMIGEAN JRNL TITL MECHANISM OF POTASSIUM-CHANNEL SELECTIVITY REVEALED BY NA(+) JRNL TITL 2 AND LI(+) BINDING SITES WITHIN THE KCSA PORE. JRNL REF NAT.STRUCT.MOL.BIOL. V. 16 1317 2009 JRNL REFN ISSN 1545-9993 JRNL PMID 19946269 JRNL DOI 10.1038/NSMB.1703 REMARK 2 REMARK 2 RESOLUTION. 2.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.2 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.54 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1961003.970 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 90.5 REMARK 3 NUMBER OF REFLECTIONS : 21546 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) : 0.242 REMARK 3 FREE R VALUE : 0.273 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1085 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.75 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.85 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 89.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2020 REMARK 3 BIN R VALUE (WORKING SET) : 0.3880 REMARK 3 BIN FREE R VALUE : 0.4360 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.70 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 99 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.044 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4074 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 32 REMARK 3 SOLVENT ATOMS : 3 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 79.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 79.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 5.71000 REMARK 3 B22 (A**2) : 5.71000 REMARK 3 B33 (A**2) : -11.42000 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) : 0.39 REMARK 3 ESD FROM SIGMAA (A) : 0.47 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.48 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.51 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.900 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.320 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED 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 : FLAT MODEL REMARK 3 KSOL : 0.30 REMARK 3 BSOL : 43.66 REMARK 3 REMARK 3 NCS MODEL : NONE 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : DGA.PAR REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER_REP.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : DGA.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 3IGA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-AUG-09. REMARK 100 THE DEPOSITION ID IS D_1000054373. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-G REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21554 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.750 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: 1K4D REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 67.87 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.83 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4 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 -Y,X,Z REMARK 290 4555 Y,-X,Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -Y+1/2,X+1/2,Z+1/2 REMARK 290 8555 Y+1/2,-X+1/2,Z+1/2 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 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 77.89950 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 77.89950 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 37.88750 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 77.89950 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 77.89950 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 37.88750 REMARK 290 SMTRY1 7 0.000000 -1.000000 0.000000 77.89950 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 77.89950 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 37.88750 REMARK 290 SMTRY1 8 0.000000 1.000000 0.000000 77.89950 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 77.89950 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 37.88750 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: DODECAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 311.59800 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 311.59800 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 311.59800 REMARK 350 BIOMT2 3 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 -1.000000 0.000000 0.000000 311.59800 REMARK 350 BIOMT3 4 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 NI NI C 128 LIES ON A SPECIAL POSITION. REMARK 375 HOH C 125 LIES ON A SPECIAL POSITION. REMARK 375 HOH C 126 LIES ON A SPECIAL POSITION. REMARK 375 HOH C 127 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 C 1 REMARK 465 ALA C 2 REMARK 465 PRO C 3 REMARK 465 MET C 4 REMARK 465 LEU C 5 REMARK 465 SER C 6 REMARK 465 GLY C 7 REMARK 465 LEU C 8 REMARK 465 LEU C 9 REMARK 465 ALA C 10 REMARK 465 ARG C 11 REMARK 465 LEU C 12 REMARK 465 VAL C 13 REMARK 465 LYS C 14 REMARK 465 LEU C 15 REMARK 465 LEU C 16 REMARK 465 LEU C 17 REMARK 465 GLY C 18 REMARK 465 ARG C 19 REMARK 465 HIS C 20 REMARK 465 GLY C 21 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 VAL A 126 NZ LYS A 213 1.79 REMARK 500 CG2 ILE B 48 O ALA B 51 2.02 REMARK 500 CG2 THR A 199 O LYS A 213 2.13 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 PRO A 152 CD PRO A 152 N 0.363 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 CYS A 22 CB - CA - C ANGL. DEV. = 8.6 DEGREES REMARK 500 CYS A 22 N - CA - C ANGL. DEV. = -16.9 DEGREES REMARK 500 SER A 54 CB - CA - C ANGL. DEV. = 17.4 DEGREES REMARK 500 TYR A 55 N - CA - CB ANGL. DEV. = -17.4 DEGREES REMARK 500 CYS A 96 CA - CB - SG ANGL. DEV. = 6.8 DEGREES REMARK 500 ALA A 119 CB - CA - C ANGL. DEV. = -9.2 DEGREES REMARK 500 LEU A 129 N - CA - C ANGL. DEV. = -17.4 DEGREES REMARK 500 PHE A 151 CB - CA - C ANGL. DEV. = 27.0 DEGREES REMARK 500 PRO A 152 CA - N - CD ANGL. DEV. = -18.6 DEGREES REMARK 500 PRO A 152 N - CA - CB ANGL. DEV. = 16.0 DEGREES REMARK 500 PRO A 152 N - CA - C ANGL. DEV. = -27.5 DEGREES REMARK 500 PRO A 205 C - N - CA ANGL. DEV. = 9.8 DEGREES REMARK 500 ALA B 51 CB - CA - C ANGL. DEV. = 15.5 DEGREES REMARK 500 SER B 52 N - CA - CB ANGL. DEV. = -16.7 DEGREES REMARK 500 SER B 52 N - CA - C ANGL. DEV. = 20.7 DEGREES REMARK 500 CYS B 88 CA - CB - SG ANGL. DEV. = 7.2 DEGREES REMARK 500 ARG B 155 CB - CA - C ANGL. DEV. = -14.8 DEGREES REMARK 500 ASN B 190 CB - CA - C ANGL. DEV. = -12.5 DEGREES REMARK 500 SER B 191 N - CA - CB ANGL. DEV. = 9.6 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 PRO A 14 161.87 -44.95 REMARK 500 SER A 54 -37.51 -35.64 REMARK 500 ALA A 92 -179.84 -178.90 REMARK 500 ARG A 100 43.89 -78.65 REMARK 500 PRO A 131 170.99 -56.36 REMARK 500 ASN A 138 -158.67 -108.91 REMARK 500 PRO A 154 -166.32 -113.47 REMARK 500 SER B 26 0.23 -66.41 REMARK 500 ASP B 32 49.49 -79.48 REMARK 500 ALA B 51 -92.86 78.67 REMARK 500 PRO B 59 132.01 -39.96 REMARK 500 ALA B 84 -168.95 -174.44 REMARK 500 PRO B 141 177.97 -53.80 REMARK 500 LYS B 199 -25.65 -39.73 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 DGA C 1001 REMARK 615 REMARK 615 ZERO OCCUPANCY ATOM REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 615 M RES C SSEQI REMARK 615 DGA C 1001 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI C 128 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DGA C 1001 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3GB7 RELATED DB: PDB REMARK 900 POTASSIUM CHANNEL KCSA-FAB COMPLEX IN LI+ DBREF 3IGA C 1 124 UNP P0A334 KCSA_STRLI 1 124 DBREF 3IGA A 1 219 PDB 3IGA 3IGA 1 219 DBREF 3IGA B 1 212 PDB 3IGA 3IGA 1 212 SEQADV 3IGA ALA C 2 UNP P0A334 PRO 2 ENGINEERED MUTATION SEQADV 3IGA CYS C 90 UNP P0A334 LEU 90 ENGINEERED MUTATION SEQRES 1 A 219 GLN VAL GLN LEU GLN GLN PRO GLY ALA GLU LEU VAL LYS SEQRES 2 A 219 PRO GLY ALA SER VAL LYS LEU SER CYS LYS ALA SER GLY SEQRES 3 A 219 TYR THR PHE THR SER ASP TRP ILE HIS TRP VAL LYS GLN SEQRES 4 A 219 ARG PRO GLY HIS GLY LEU GLU TRP ILE GLY GLU ILE ILE SEQRES 5 A 219 PRO SER TYR GLY ARG ALA ASN TYR ASN GLU LYS ILE GLN SEQRES 6 A 219 LYS LYS ALA THR LEU THR ALA ASP LYS SER SER SER THR SEQRES 7 A 219 ALA PHE MET GLN LEU SER SER LEU THR SER GLU ASP SER SEQRES 8 A 219 ALA VAL TYR TYR CYS ALA ARG GLU ARG GLY ASP GLY TYR SEQRES 9 A 219 PHE ALA VAL TRP GLY ALA GLY THR THR VAL THR VAL SER SEQRES 10 A 219 SER ALA LYS THR THR PRO PRO SER VAL TYR PRO LEU ALA SEQRES 11 A 219 PRO GLY SER ALA ALA GLN THR ASN SER MET VAL THR LEU SEQRES 12 A 219 GLY CYS LEU VAL LYS GLY TYR PHE PRO GLU PRO VAL THR SEQRES 13 A 219 VAL THR TRP ASN SER GLY SER LEU SER SER GLY VAL HIS SEQRES 14 A 219 THR PHE PRO ALA VAL LEU GLN SER ASP LEU TYR THR LEU SEQRES 15 A 219 SER SER SER VAL THR VAL PRO SER SER SER TRP PRO SER SEQRES 16 A 219 GLU THR VAL THR CYS ASN VAL ALA HIS PRO ALA SER SER SEQRES 17 A 219 THR LYS VAL ASP LYS LYS ILE VAL PRO ARG ASP SEQRES 1 B 212 ASP ILE LEU LEU THR GLN SER PRO ALA ILE LEU SER VAL SEQRES 2 B 212 SER PRO GLY GLU ARG VAL SER PHE SER CYS ARG ALA SER SEQRES 3 B 212 GLN SER ILE GLY THR ASP ILE HIS TRP TYR GLN GLN ARG SEQRES 4 B 212 THR ASN GLY SER PRO ARG LEU LEU ILE LYS TYR ALA SER SEQRES 5 B 212 GLU SER ILE SER GLY ILE PRO SER ARG PHE SER GLY SER SEQRES 6 B 212 GLY SER GLY THR ASP PHE THR LEU SER ILE ASN SER VAL SEQRES 7 B 212 GLU SER GLU ASP ILE ALA ASN TYR TYR CYS GLN GLN SER SEQRES 8 B 212 ASN ARG TRP PRO PHE THR PHE GLY SER GLY THR LYS LEU SEQRES 9 B 212 GLU ILE LYS ARG ALA ASP ALA ALA PRO THR VAL SER ILE SEQRES 10 B 212 PHE PRO PRO SER SER GLU GLN LEU THR SER GLY GLY ALA SEQRES 11 B 212 SER VAL VAL CYS PHE LEU ASN ASN PHE TYR PRO LYS ASP SEQRES 12 B 212 ILE ASN VAL LYS TRP LYS ILE ASP GLY SER GLU ARG GLN SEQRES 13 B 212 ASN GLY VAL LEU ASN SER TRP THR ASP GLN ASP SER LYS SEQRES 14 B 212 ASP SER THR TYR SER MET SER SER THR LEU THR LEU THR SEQRES 15 B 212 LYS ASP GLU TYR GLU ARG HIS ASN SER TYR THR CYS GLU SEQRES 16 B 212 ALA THR HIS LYS THR SER THR SER PRO ILE VAL LYS SER SEQRES 17 B 212 PHE ASN ARG ASN SEQRES 1 C 124 MET ALA PRO MET LEU SER GLY LEU LEU ALA ARG LEU VAL SEQRES 2 C 124 LYS LEU LEU LEU GLY ARG HIS GLY SER ALA LEU HIS TRP SEQRES 3 C 124 ARG ALA ALA GLY ALA ALA THR VAL LEU LEU VAL ILE VAL SEQRES 4 C 124 LEU LEU ALA GLY SER TYR LEU ALA VAL LEU ALA GLU ARG SEQRES 5 C 124 GLY ALA PRO GLY ALA GLN LEU ILE THR TYR PRO ARG ALA SEQRES 6 C 124 LEU TRP TRP SER VAL GLU THR ALA THR THR VAL GLY TYR SEQRES 7 C 124 GLY ASP LEU TYR PRO VAL THR LEU TRP GLY ARG CYS VAL SEQRES 8 C 124 ALA VAL VAL VAL MET VAL ALA GLY ILE THR SER PHE GLY SEQRES 9 C 124 LEU VAL THR ALA ALA LEU ALA THR TRP PHE VAL GLY ARG SEQRES 10 C 124 GLU GLN GLU ARG ARG GLY HIS HET NI C 128 1 HET DGA C1001 31 HETNAM NI NICKEL (II) ION HETNAM DGA DIACYL GLYCEROL FORMUL 4 NI NI 2+ FORMUL 5 DGA C39 H76 O5 FORMUL 6 HOH *3(H2 O) HELIX 1 1 THR A 87 SER A 91 5 5 HELIX 2 2 GLU B 79 ILE B 83 5 5 HELIX 3 3 SER B 121 THR B 126 1 6 HELIX 4 4 LYS B 183 ARG B 188 1 6 HELIX 5 5 ALA C 23 ARG C 52 1 30 HELIX 6 6 THR C 61 THR C 75 1 15 HELIX 7 7 THR C 85 ARG C 121 1 37 SHEET 1 A 4 LEU A 4 GLN A 5 0 SHEET 2 A 4 SER A 17 ALA A 24 -1 O LYS A 23 N GLN A 5 SHEET 3 A 4 THR A 78 SER A 84 -1 O ALA A 79 N CYS A 22 SHEET 4 A 4 LEU A 70 ASP A 73 -1 N THR A 71 O PHE A 80 SHEET 1 B 6 ALA A 9 VAL A 12 0 SHEET 2 B 6 THR A 112 VAL A 116 1 O THR A 113 N GLU A 10 SHEET 3 B 6 ALA A 92 GLU A 99 -1 N ALA A 92 O VAL A 114 SHEET 4 B 6 TRP A 33 GLN A 39 -1 N VAL A 37 O TYR A 95 SHEET 5 B 6 LEU A 45 ILE A 51 -1 O ILE A 51 N ILE A 34 SHEET 6 B 6 ALA A 58 TYR A 60 -1 O ASN A 59 N GLU A 50 SHEET 1 C 4 ALA A 9 VAL A 12 0 SHEET 2 C 4 THR A 112 VAL A 116 1 O THR A 113 N GLU A 10 SHEET 3 C 4 ALA A 92 GLU A 99 -1 N ALA A 92 O VAL A 114 SHEET 4 C 4 VAL A 107 TRP A 108 -1 O VAL A 107 N ARG A 98 SHEET 1 D 4 SER A 125 LEU A 129 0 SHEET 2 D 4 MET A 140 TYR A 150 -1 O LYS A 148 N SER A 125 SHEET 3 D 4 LEU A 179 PRO A 189 -1 O TYR A 180 N TYR A 150 SHEET 4 D 4 HIS A 169 THR A 170 -1 N HIS A 169 O SER A 185 SHEET 1 E 4 SER A 125 LEU A 129 0 SHEET 2 E 4 MET A 140 TYR A 150 -1 O LYS A 148 N SER A 125 SHEET 3 E 4 LEU A 179 PRO A 189 -1 O TYR A 180 N TYR A 150 SHEET 4 E 4 VAL A 174 GLN A 176 -1 N VAL A 174 O THR A 181 SHEET 1 F 3 THR A 156 TRP A 159 0 SHEET 2 F 3 CYS A 200 HIS A 204 -1 O ALA A 203 N THR A 156 SHEET 3 F 3 THR A 209 VAL A 211 -1 O THR A 209 N HIS A 204 SHEET 1 G 4 LEU B 4 GLN B 6 0 SHEET 2 G 4 VAL B 19 ALA B 25 -1 O ARG B 24 N THR B 5 SHEET 3 G 4 ASP B 70 ILE B 75 -1 O LEU B 73 N PHE B 21 SHEET 4 G 4 PHE B 62 SER B 67 -1 N SER B 63 O SER B 74 SHEET 1 H 6 ILE B 10 VAL B 13 0 SHEET 2 H 6 THR B 102 ILE B 106 1 O GLU B 105 N VAL B 13 SHEET 3 H 6 ASN B 85 GLN B 90 -1 N TYR B 86 O THR B 102 SHEET 4 H 6 ILE B 33 GLN B 38 -1 N GLN B 38 O ASN B 85 SHEET 5 H 6 ARG B 45 LYS B 49 -1 O LEU B 47 N TRP B 35 SHEET 6 H 6 GLU B 53 SER B 54 -1 O GLU B 53 N LYS B 49 SHEET 1 I 4 ILE B 10 VAL B 13 0 SHEET 2 I 4 THR B 102 ILE B 106 1 O GLU B 105 N VAL B 13 SHEET 3 I 4 ASN B 85 GLN B 90 -1 N TYR B 86 O THR B 102 SHEET 4 I 4 THR B 97 PHE B 98 -1 O THR B 97 N GLN B 90 SHEET 1 J 4 THR B 114 PHE B 118 0 SHEET 2 J 4 GLY B 129 PHE B 139 -1 O VAL B 133 N PHE B 118 SHEET 3 J 4 TYR B 173 THR B 182 -1 O LEU B 179 N VAL B 132 SHEET 4 J 4 VAL B 159 TRP B 163 -1 N SER B 162 O SER B 176 SHEET 1 K 4 SER B 153 GLU B 154 0 SHEET 2 K 4 ILE B 144 ILE B 150 -1 N ILE B 150 O SER B 153 SHEET 3 K 4 SER B 191 HIS B 198 -1 O THR B 197 N ASN B 145 SHEET 4 K 4 ILE B 205 ASN B 210 -1 O ILE B 205 N ALA B 196 SSBOND 1 CYS A 22 CYS A 96 1555 1555 2.05 SSBOND 2 CYS A 145 CYS A 200 1555 1555 2.05 SSBOND 3 CYS B 23 CYS B 88 1555 1555 2.06 SSBOND 4 CYS B 134 CYS B 194 1555 1555 2.04 LINK NE2 HIS C 124 NI NI C 128 1555 1555 2.43 CISPEP 1 PHE A 151 PRO A 152 0 -2.92 CISPEP 2 GLU A 153 PRO A 154 0 1.65 CISPEP 3 TRP A 193 PRO A 194 0 -0.24 CISPEP 4 SER B 7 PRO B 8 0 0.30 CISPEP 5 TRP B 94 PRO B 95 0 -1.01 CISPEP 6 TYR B 140 PRO B 141 0 -4.54 SITE 1 AC1 1 HIS C 124 SITE 1 AC2 4 GLU B 53 TRP C 67 ARG C 89 VAL C 93 CRYST1 155.799 155.799 75.775 90.00 90.00 90.00 I 4 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 0.006419 0.000000 0.000000 0.00000 SCALE2 0.000000 0.006419 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013197 0.00000