HEADER IMMUNE SYSTEM/TRANSPORT PROTEIN 06-SEP-10 3OR6 TITLE ON THE STRUCTURAL BASIS OF MODAL GATING BEHAVIOR IN K+CHANNELS - E71Q 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 FRAGMENT: UNP RESIDUES 22-124; COMPND 11 ENGINEERED: YES; COMPND 12 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_TAXID: 10090; SOURCE 4 MOL_ID: 2; SOURCE 5 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 6 ORGANISM_TAXID: 10090; SOURCE 7 MOL_ID: 3; SOURCE 8 ORGANISM_SCIENTIFIC: STREPTOMYCES LIVIDANS; SOURCE 9 ORGANISM_TAXID: 1916; SOURCE 10 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 11 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS INACTIVATION, ALPHA-HELICAL, POTASSIUM CHANNEL, IMMUNE SYSTEM- KEYWDS 2 TRANSPORT PROTEIN COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR S.CHAKRAPANI,J.F.CORDERO-MORALES,V.JOGINI,E.PEROZO REVDAT 4 27-NOV-24 3OR6 1 REMARK SEQADV LINK REVDAT 3 29-AUG-18 3OR6 1 COMPND SOURCE REVDAT 2 16-MAR-11 3OR6 1 JRNL REVDAT 1 05-JAN-11 3OR6 0 JRNL AUTH S.CHAKRAPANI,J.F.CORDERO-MORALES,V.JOGINI,A.C.PAN, JRNL AUTH 2 D.M.CORTES,B.ROUX,E.PEROZO JRNL TITL ON THE STRUCTURAL BASIS OF MODAL GATING BEHAVIOR IN K(+) JRNL TITL 2 CHANNELS. JRNL REF NAT.STRUCT.MOL.BIOL. V. 18 67 2011 JRNL REFN ISSN 1545-9993 JRNL PMID 21186363 JRNL DOI 10.1038/NSMB.1968 REMARK 2 REMARK 2 RESOLUTION. 2.70 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 23689 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.226 REMARK 3 FREE R VALUE : 0.268 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 94 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 : 4074 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 4 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) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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 3OR6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-SEP-10. REMARK 100 THE DEPOSITION ID IS D_1000061470. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-MAR-06 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : 6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23689 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> 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 <I/SIGMA(I)> 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: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 69.15 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.99 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20-25% PEG400, 50MM MAGNESIUM ACETATE, REMARK 280 50MM SODIUM ACETATE PH 5.0-6.0, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 298K, PH 6 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 77.83950 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 77.83950 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 38.05450 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 77.83950 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 77.83950 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 38.05450 REMARK 290 SMTRY1 7 0.000000 -1.000000 0.000000 77.83950 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 77.83950 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 38.05450 REMARK 290 SMTRY1 8 0.000000 1.000000 0.000000 77.83950 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 77.83950 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 38.05450 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 311.35800 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 -311.35800 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT2 3 1.000000 0.000000 0.000000 -311.35800 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 0.000000 1.000000 0.000000 311.35800 REMARK 350 BIOMT2 4 -1.000000 0.000000 0.000000 0.00000 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 K K C 1 LIES ON A SPECIAL POSITION. REMARK 375 K K C 2 LIES ON A SPECIAL POSITION. REMARK 375 K K C 3 LIES ON A SPECIAL POSITION. REMARK 375 K K C 4 LIES ON A SPECIAL POSITION. REMARK 375 K K C 5 LIES ON A SPECIAL POSITION. REMARK 375 K K C 6 LIES ON A SPECIAL POSITION. REMARK 375 K K C 7 LIES ON A SPECIAL POSITION. 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 ASP A 102 OH TYR B 50 2.19 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 VAL A 2 105.43 -27.89 REMARK 500 ALA A 16 -170.70 -68.59 REMARK 500 CYS A 22 103.81 -162.06 REMARK 500 ALA A 92 -179.66 179.90 REMARK 500 ARG A 100 29.32 -75.26 REMARK 500 ALA A 119 151.78 -40.93 REMARK 500 PRO A 131 153.57 -49.97 REMARK 500 ASN A 138 -166.01 -125.38 REMARK 500 SER A 139 -43.39 -28.55 REMARK 500 GLN A 176 109.93 -161.30 REMARK 500 SER A 177 74.58 53.19 REMARK 500 ASP A 178 49.05 38.71 REMARK 500 LYS A 213 105.32 -163.46 REMARK 500 ASP B 32 47.19 -76.75 REMARK 500 ALA B 51 -41.29 67.55 REMARK 500 PRO B 59 132.93 -36.16 REMARK 500 SER B 60 -7.33 -59.64 REMARK 500 SER B 67 146.93 -171.73 REMARK 500 SER B 77 84.09 70.28 REMARK 500 ALA B 84 -163.45 -167.19 REMARK 500 PRO B 120 161.19 -48.92 REMARK 500 ALA B 130 107.59 -169.67 REMARK 500 LEU B 136 78.65 -116.42 REMARK 500 TYR B 140 133.34 -173.85 REMARK 500 PRO B 141 177.40 -54.54 REMARK 500 ASP B 170 14.60 -141.31 REMARK 500 ASP B 184 -70.81 -54.82 REMARK 500 ARG B 188 48.71 -95.49 REMARK 500 ASN B 190 -90.55 -79.32 REMARK 500 SER B 201 130.98 -170.00 REMARK 500 PHE B 209 126.10 -175.96 REMARK 500 ARG C 121 1.63 -57.96 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 K C 2 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL C 76 O REMARK 620 2 GLY C 77 O 58.3 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K C 3 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR C 75 O REMARK 620 2 VAL C 76 O 65.7 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K C 4 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR C 75 O REMARK 620 2 THR C 75 OG1 59.1 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K C 5 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH C 125 O REMARK 620 2 HOH C 126 O 72.4 REMARK 620 N 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K C 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K C 2 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K C 3 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K C 4 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K C 6 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K C 7 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3OR7 RELATED DB: PDB REMARK 900 ON THE STRUCTURAL BASIS OF MODAL GATING BEHAVIOR IN K+CHANNELS - REMARK 900 E71I DBREF 3OR6 C 22 124 UNP P0A334 KCSA_STRLI 22 124 DBREF 3OR6 A 1 219 PDB 3OR6 3OR6 1 219 DBREF 3OR6 B 1 212 PDB 3OR6 3OR6 1 212 SEQADV 3OR6 GLN C 71 UNP P0A334 GLU 71 ENGINEERED MUTATION SEQADV 3OR6 CYS C 90 UNP P0A334 LEU 90 CONFLICT 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 103 SER ALA LEU HIS TRP ARG ALA ALA GLY ALA ALA THR VAL SEQRES 2 C 103 LEU LEU VAL ILE VAL LEU LEU ALA GLY SER TYR LEU ALA SEQRES 3 C 103 VAL LEU ALA GLU ARG GLY ALA PRO GLY ALA GLN LEU ILE SEQRES 4 C 103 THR TYR PRO ARG ALA LEU TRP TRP SER VAL GLN THR ALA SEQRES 5 C 103 THR THR VAL GLY TYR GLY ASP LEU TYR PRO VAL THR LEU SEQRES 6 C 103 TRP GLY ARG CYS VAL ALA VAL VAL VAL MET VAL ALA GLY SEQRES 7 C 103 ILE THR SER PHE GLY LEU VAL THR ALA ALA LEU ALA THR SEQRES 8 C 103 TRP PHE VAL GLY ARG GLU GLN GLU ARG ARG GLY HIS HET K C 1 1 HET K C 2 1 HET K C 3 1 HET K C 4 1 HET K C 5 1 HET K C 6 1 HET K C 7 1 HETNAM K POTASSIUM ION FORMUL 4 K 7(K 1+) FORMUL 11 HOH *4(H2 O) HELIX 1 1 THR A 87 SER A 91 5 5 HELIX 2 2 SER A 191 TRP A 193 5 3 HELIX 3 3 PRO A 205 SER A 208 5 4 HELIX 4 4 GLU B 79 ILE B 83 5 5 HELIX 5 5 SER B 121 THR B 126 1 6 HELIX 6 6 LYS B 183 ARG B 188 1 6 HELIX 7 7 ALA C 23 ARG C 52 1 30 HELIX 8 8 THR C 61 THR C 74 1 14 HELIX 9 9 THR C 85 GLN C 119 1 35 HELIX 10 10 GLU C 120 GLY C 123 5 4 SHEET 1 A 4 LEU A 4 GLN A 5 0 SHEET 2 A 4 LYS A 19 ALA A 24 -1 O LYS A 23 N GLN A 5 SHEET 3 A 4 THR A 78 GLN A 82 -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 48 N TRP A 36 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 PHE A 105 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 TYR A 180 PRO A 189 -1 O TYR A 180 N TYR A 150 SHEET 4 D 4 VAL A 168 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 TYR A 180 PRO A 189 -1 O TYR A 180 N TYR A 150 SHEET 4 E 4 VAL A 174 LEU A 175 -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 ASN A 201 N THR A 158 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 THR B 5 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 PHE B 71 N CYS B 23 SHEET 4 G 4 PHE B 62 SER B 67 -1 N SER B 65 O THR B 72 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 LEU B 11 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 TYR B 36 O TYR B 87 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 LEU B 11 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 LEU B 160 -1 N LEU B 160 O THR B 178 SHEET 1 K 4 SER B 153 ARG B 155 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 GLU B 195 N LYS B 147 SHEET 4 K 4 SER B 201 ASN B 210 -1 O ILE B 205 N ALA B 196 SSBOND 1 CYS A 22 CYS A 96 1555 1555 2.03 SSBOND 2 CYS A 145 CYS A 200 1555 1555 2.04 SSBOND 3 CYS B 23 CYS B 88 1555 1555 2.04 SSBOND 4 CYS B 134 CYS B 194 1555 1555 2.03 LINK K K C 1 O TYR C 78 1555 1555 3.19 LINK K K C 2 O VAL C 76 1555 1555 3.18 LINK K K C 2 O GLY C 77 1555 1555 3.08 LINK K K C 3 O THR C 75 1555 1555 3.06 LINK K K C 3 O VAL C 76 1555 1555 3.17 LINK K K C 4 O THR C 75 1555 1555 3.29 LINK K K C 4 OG1 THR C 75 1555 1555 3.35 LINK K K C 5 O HOH C 125 1555 1555 3.49 LINK K K C 5 O HOH C 126 1555 1555 3.44 LINK K K C 6 O HOH C 127 1555 1555 3.50 CISPEP 1 PHE A 151 PRO A 152 0 -0.13 CISPEP 2 GLU A 153 PRO A 154 0 0.00 CISPEP 3 TRP A 193 PRO A 194 0 -0.14 CISPEP 4 SER B 7 PRO B 8 0 0.18 CISPEP 5 TRP B 94 PRO B 95 0 -0.12 CISPEP 6 TYR B 140 PRO B 141 0 0.17 SITE 1 AC1 3 K C 2 GLY C 77 TYR C 78 SITE 1 AC2 4 K C 1 K C 3 VAL C 76 GLY C 77 SITE 1 AC3 4 K C 2 K C 4 THR C 75 VAL C 76 SITE 1 AC4 2 K C 3 THR C 75 SITE 1 AC5 1 K C 7 SITE 1 AC6 1 K C 6 CRYST1 155.679 155.679 76.109 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 0.006423 0.000000 0.000000 0.00000 SCALE2 0.000000 0.006423 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013139 0.00000