PDB Short entry for 1XL6 HEADER METAL TRANSPORT 30-SEP-04 1XL6 TITLE INTERMEDIATE GATING STRUCTURE 2 OF THE INWARDLY RECTIFYING K+ CHANNEL TITLE 2 KIRBAC3.1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: INWARD RECTIFIER POTASSIUM CHANNEL; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: INWARDLY RECTIFYING K+ CHANNEL KIRBAC3.1, COG1226: KEF-TYPE COMPND 5 K+ TRANSPORT SYSTEMS, PREDICTED NAD-BINDING COMPONENT; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MAGNETOSPIRILLUM MAGNETOTACTICUM; SOURCE 3 ORGANISM_TAXID: 188; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL-21(DE3)STAR; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET-30A KEYWDS INTEGRAL MEMBRANE PROTEIN, ION CHANNEL, INWARDLY RECTIFYING K+ KEYWDS 2 CHANNEL, METAL TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR J.M.GULBIS,A.KUO,B.SMITH,D.A.DOYLE,A.EDWARDS,C.ARROWSMITH,M.SUNDSTROM REVDAT 4 25-OCT-23 1XL6 1 REMARK SEQADV LINK REVDAT 3 13-JUL-11 1XL6 1 VERSN REVDAT 2 24-FEB-09 1XL6 1 VERSN REVDAT 1 07-DEC-04 1XL6 0 JRNL AUTH J.M.GULBIS,A.KUO,B.SMITH,D.A.DOYLE,A.EDWARDS,C.ARROWSMITH, JRNL AUTH 2 M.SUNDSTROM JRNL TITL TWO INTERMEDIATE GATING STATE CRYSTAL STRUCTURES OF THE JRNL TITL 2 KIRBAC3.1 K+ CHANNEL JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.85 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 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 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 : 25550 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) : 0.270 REMARK 3 FREE R VALUE : 0.310 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1224 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 : 4612 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 22 REMARK 3 SOLVENT ATOMS : 58 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 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 1XL6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 06-OCT-04. REMARK 100 THE DEPOSITION ID IS D_1000030481. 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 : 7.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28510 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 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 <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: PDB ENTRY 1P7B REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 65.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.77 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 90MM HEPES, 2.5% PEG 8000, 2.5% PEG REMARK 280 4000, 20% PEG 400, 12.5MM MAGNESIUM CHLORIDE, 42.5MM MAGNESIUM REMARK 280 ACETATE, 2.5% GLYCEROL, 14MM HEGA-10 , PH 7.6, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 52.87800 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 53.76600 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 52.87800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 53.76600 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 21040 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 53040 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -128.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 105.75600 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 -107.53200 REMARK 350 BIOMT3 2 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 A1000 LIES ON A SPECIAL POSITION. REMARK 375 K K A1001 LIES ON A SPECIAL POSITION. REMARK 375 K K A1002 LIES ON A SPECIAL POSITION. REMARK 375 K K A1003 LIES ON A SPECIAL POSITION. REMARK 375 K K A1004 LIES ON A SPECIAL POSITION. REMARK 375 K K A1006 LIES ON A SPECIAL POSITION. REMARK 375 MG MG A2001 LIES ON A SPECIAL POSITION. REMARK 375 K K B1005 LIES ON A SPECIAL POSITION. REMARK 375 C11 SPM B3001 LIES ON A SPECIAL POSITION. REMARK 375 N14 SPM B3001 LIES ON A SPECIAL POSITION. REMARK 375 HOH A2002 LIES ON A SPECIAL POSITION. REMARK 375 HOH A2003 LIES ON A SPECIAL POSITION. REMARK 375 HOH B3002 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 A 1 REMARK 465 THR A 2 REMARK 465 GLY A 3 REMARK 465 GLY A 4 REMARK 465 MET A 5 REMARK 465 LYS A 6 REMARK 465 PRO A 7 REMARK 465 PRO A 8 REMARK 465 ALA A 9 REMARK 465 ARG A 10 REMARK 465 MET B 1 REMARK 465 THR B 2 REMARK 465 GLY B 3 REMARK 465 GLY B 4 REMARK 465 MET B 5 REMARK 465 LYS B 6 REMARK 465 PRO B 7 REMARK 465 PRO B 8 REMARK 465 ALA B 9 REMARK 465 ARG B 10 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 LYS A 11 CG CD CE NZ REMARK 470 LYS B 11 CG CD CE NZ REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 LYS A 30 REMARK 475 ARG A 31 REMARK 475 LYS B 30 REMARK 475 ARG B 31 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 ND1 HIS A 255 O HOH A 2005 2.18 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 LEU A 28 -9.26 -178.29 REMARK 500 LYS A 30 150.08 47.64 REMARK 500 HIS A 37 21.83 -67.73 REMARK 500 HIS A 39 -64.99 -97.74 REMARK 500 SER A 45 153.10 -48.65 REMARK 500 ASP A 73 49.98 -85.29 REMARK 500 ALA A 78 -160.06 -105.64 REMARK 500 THR A 84 22.04 -76.95 REMARK 500 ASP A 85 -35.87 -132.54 REMARK 500 ALA A 95 8.69 -65.29 REMARK 500 ILE A 103 150.55 -34.53 REMARK 500 ALA A 109 -73.04 -67.97 REMARK 500 PHE A 135 -15.93 -42.71 REMARK 500 ARG A 137 77.01 -105.13 REMARK 500 GLU A 188 14.46 -61.99 REMARK 500 THR A 201 10.86 -63.51 REMARK 500 ARG A 202 112.12 164.65 REMARK 500 LEU A 210 -86.43 -123.64 REMARK 500 ASP A 263 11.68 -69.29 REMARK 500 ASP A 280 9.38 151.89 REMARK 500 ARG A 282 169.73 174.82 REMARK 500 GLU B 29 93.36 145.73 REMARK 500 LYS B 30 151.26 113.09 REMARK 500 ARG B 31 137.59 167.00 REMARK 500 HIS B 37 17.86 -64.38 REMARK 500 HIS B 39 -65.35 -97.59 REMARK 500 ASP B 73 32.43 -87.06 REMARK 500 VAL B 74 -72.54 -51.59 REMARK 500 ILE B 75 128.42 -38.98 REMARK 500 THR B 84 35.79 -85.52 REMARK 500 ASP B 85 -24.93 -145.72 REMARK 500 ALA B 95 6.33 -65.34 REMARK 500 ILE B 103 156.30 -36.97 REMARK 500 ALA B 109 -76.79 -65.25 REMARK 500 THR B 114 -30.92 -39.95 REMARK 500 PHE B 135 -8.44 -47.72 REMARK 500 PRO B 138 139.20 -30.88 REMARK 500 GLU B 188 15.58 -66.32 REMARK 500 THR B 201 11.22 -64.20 REMARK 500 ARG B 202 103.84 169.70 REMARK 500 LEU B 210 -88.75 -112.68 REMARK 500 HIS B 220 -11.74 -43.50 REMARK 500 ASP B 280 6.59 155.72 REMARK 500 ARG B 282 175.21 173.26 REMARK 500 HIS B 299 107.02 -34.09 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 THERE ARE THREE ALTERNATE ARRANGEMENTS OF IONS AND REMARK 600 COORDINATED WATER MOLECULES. REMARK 600 THEY ARE NOT COMPLETELY MUTUALLY EXCLUSIVE. REMARK 600 THE FIRST INCLUDES K(1001), K(1003), K(1004) REMARK 600 AND HOH(2002). REMARK 600 THE SECOND INCLUDES K(1002), K(1003) AND K(1005). REMARK 600 THE THIRD INCLUDES K(1002), K(1006), HOH(3002), REMARK 600 MG(2001) AND HOH(2003). REMARK 600 THERE ARE ALSO FOUR CONFORMERS OF THE SPERMINE MOLECULE REMARK 600 (SPM L3001). REMARK 600 ALTERNATE CONFORMERS HAVE BEEN FLAGGED E,F,G,H. 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 A1003 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 96 O REMARK 620 2 THR A 96 OG1 54.6 REMARK 620 3 THR B 96 O 77.8 102.1 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A1006 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 96 O REMARK 620 2 THR B 96 O 85.2 REMARK 620 3 HOH B3002 O 115.8 114.0 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B1005 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ILE A 97 O REMARK 620 2 ILE B 97 O 80.0 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A1004 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 98 O REMARK 620 2 HOH A2002 O 72.5 REMARK 620 3 GLY B 98 O 87.2 73.0 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A1002 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR A 99 O REMARK 620 2 TYR B 99 O 86.9 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 A 1002 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1003 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1004 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1006 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 2001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 1005 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SPM B 3001 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1XL4 RELATED DB: PDB REMARK 900 INTERMEDIATE GATING STRUCTURE 1 OF THE SAME PROTEIN DBREF 1XL6 A 5 295 GB 46201166 ZP_00055625 1 291 DBREF 1XL6 B 5 295 GB 46201166 ZP_00055625 1 291 SEQADV 1XL6 MET A 1 GB 46201166 EXPRESSION TAG SEQADV 1XL6 THR A 2 GB 46201166 EXPRESSION TAG SEQADV 1XL6 GLY A 3 GB 46201166 EXPRESSION TAG SEQADV 1XL6 GLY A 4 GB 46201166 EXPRESSION TAG SEQADV 1XL6 HIS A 296 GB 46201166 EXPRESSION TAG SEQADV 1XL6 HIS A 297 GB 46201166 EXPRESSION TAG SEQADV 1XL6 HIS A 298 GB 46201166 EXPRESSION TAG SEQADV 1XL6 HIS A 299 GB 46201166 EXPRESSION TAG SEQADV 1XL6 HIS A 300 GB 46201166 EXPRESSION TAG SEQADV 1XL6 HIS A 301 GB 46201166 EXPRESSION TAG SEQADV 1XL6 MET B 1 GB 46201166 EXPRESSION TAG SEQADV 1XL6 THR B 2 GB 46201166 EXPRESSION TAG SEQADV 1XL6 GLY B 3 GB 46201166 EXPRESSION TAG SEQADV 1XL6 GLY B 4 GB 46201166 EXPRESSION TAG SEQADV 1XL6 HIS B 296 GB 46201166 EXPRESSION TAG SEQADV 1XL6 HIS B 297 GB 46201166 EXPRESSION TAG SEQADV 1XL6 HIS B 298 GB 46201166 EXPRESSION TAG SEQADV 1XL6 HIS B 299 GB 46201166 EXPRESSION TAG SEQADV 1XL6 HIS B 300 GB 46201166 EXPRESSION TAG SEQADV 1XL6 HIS B 301 GB 46201166 EXPRESSION TAG SEQRES 1 A 301 MET THR GLY GLY MET LYS PRO PRO ALA ARG LYS PRO ARG SEQRES 2 A 301 ILE LEU ASN SER ASP GLY SER SER ASN ILE THR ARG LEU SEQRES 3 A 301 GLY LEU GLU LYS ARG GLY TRP LEU ASP ASP HIS TYR HIS SEQRES 4 A 301 ASP LEU LEU THR VAL SER TRP PRO VAL PHE ILE THR LEU SEQRES 5 A 301 ILE THR GLY LEU TYR LEU VAL THR ASN ALA LEU PHE ALA SEQRES 6 A 301 LEU ALA TYR LEU ALA CYS GLY ASP VAL ILE GLU ASN ALA SEQRES 7 A 301 ARG PRO GLY SER PHE THR ASP ALA PHE PHE PHE SER VAL SEQRES 8 A 301 GLN THR MET ALA THR ILE GLY TYR GLY LYS LEU ILE PRO SEQRES 9 A 301 ILE GLY PRO LEU ALA ASN THR LEU VAL THR LEU GLU ALA SEQRES 10 A 301 LEU CYS GLY MET LEU GLY LEU ALA VAL ALA ALA SER LEU SEQRES 11 A 301 ILE TYR ALA ARG PHE THR ARG PRO THR ALA GLY VAL LEU SEQRES 12 A 301 PHE SER SER ARG MET VAL ILE SER ASP PHE GLU GLY LYS SEQRES 13 A 301 PRO THR LEU MET MET ARG LEU ALA ASN LEU ARG ILE GLU SEQRES 14 A 301 GLN ILE ILE GLU ALA ASP VAL HIS LEU VAL LEU VAL ARG SEQRES 15 A 301 SER GLU ILE SER GLN GLU GLY MET VAL PHE ARG ARG PHE SEQRES 16 A 301 HIS ASP LEU THR LEU THR ARG SER ARG SER PRO ILE PHE SEQRES 17 A 301 SER LEU SER TRP THR VAL MET HIS PRO ILE ASP HIS HIS SEQRES 18 A 301 SER PRO ILE TYR GLY GLU THR ASP GLU THR LEU ARG ASN SEQRES 19 A 301 SER HIS SER GLU PHE LEU VAL LEU PHE THR GLY HIS HIS SEQRES 20 A 301 GLU ALA PHE ALA GLN ASN VAL HIS ALA ARG HIS ALA TYR SEQRES 21 A 301 SER CYS ASP GLU ILE ILE TRP GLY GLY HIS PHE VAL ASP SEQRES 22 A 301 VAL PHE THR THR LEU PRO ASP GLY ARG ARG ALA LEU ASP SEQRES 23 A 301 LEU GLY LYS PHE HIS GLU ILE ALA GLN HIS HIS HIS HIS SEQRES 24 A 301 HIS HIS SEQRES 1 B 301 MET THR GLY GLY MET LYS PRO PRO ALA ARG LYS PRO ARG SEQRES 2 B 301 ILE LEU ASN SER ASP GLY SER SER ASN ILE THR ARG LEU SEQRES 3 B 301 GLY LEU GLU LYS ARG GLY TRP LEU ASP ASP HIS TYR HIS SEQRES 4 B 301 ASP LEU LEU THR VAL SER TRP PRO VAL PHE ILE THR LEU SEQRES 5 B 301 ILE THR GLY LEU TYR LEU VAL THR ASN ALA LEU PHE ALA SEQRES 6 B 301 LEU ALA TYR LEU ALA CYS GLY ASP VAL ILE GLU ASN ALA SEQRES 7 B 301 ARG PRO GLY SER PHE THR ASP ALA PHE PHE PHE SER VAL SEQRES 8 B 301 GLN THR MET ALA THR ILE GLY TYR GLY LYS LEU ILE PRO SEQRES 9 B 301 ILE GLY PRO LEU ALA ASN THR LEU VAL THR LEU GLU ALA SEQRES 10 B 301 LEU CYS GLY MET LEU GLY LEU ALA VAL ALA ALA SER LEU SEQRES 11 B 301 ILE TYR ALA ARG PHE THR ARG PRO THR ALA GLY VAL LEU SEQRES 12 B 301 PHE SER SER ARG MET VAL ILE SER ASP PHE GLU GLY LYS SEQRES 13 B 301 PRO THR LEU MET MET ARG LEU ALA ASN LEU ARG ILE GLU SEQRES 14 B 301 GLN ILE ILE GLU ALA ASP VAL HIS LEU VAL LEU VAL ARG SEQRES 15 B 301 SER GLU ILE SER GLN GLU GLY MET VAL PHE ARG ARG PHE SEQRES 16 B 301 HIS ASP LEU THR LEU THR ARG SER ARG SER PRO ILE PHE SEQRES 17 B 301 SER LEU SER TRP THR VAL MET HIS PRO ILE ASP HIS HIS SEQRES 18 B 301 SER PRO ILE TYR GLY GLU THR ASP GLU THR LEU ARG ASN SEQRES 19 B 301 SER HIS SER GLU PHE LEU VAL LEU PHE THR GLY HIS HIS SEQRES 20 B 301 GLU ALA PHE ALA GLN ASN VAL HIS ALA ARG HIS ALA TYR SEQRES 21 B 301 SER CYS ASP GLU ILE ILE TRP GLY GLY HIS PHE VAL ASP SEQRES 22 B 301 VAL PHE THR THR LEU PRO ASP GLY ARG ARG ALA LEU ASP SEQRES 23 B 301 LEU GLY LYS PHE HIS GLU ILE ALA GLN HIS HIS HIS HIS SEQRES 24 B 301 HIS HIS HET K A1000 1 HET K A1001 1 HET K A1002 1 HET K A1003 1 HET K A1004 1 HET K A1006 1 HET MG A2001 1 HET K B1005 1 HET SPM B3001 56 HETNAM K POTASSIUM ION HETNAM MG MAGNESIUM ION HETNAM SPM SPERMINE FORMUL 3 K 7(K 1+) FORMUL 9 MG MG 2+ FORMUL 11 SPM C10 H26 N4 FORMUL 12 HOH *58(H2 O) HELIX 1 1 GLY A 32 ASP A 40 1 9 HELIX 2 2 SER A 45 ALA A 70 1 26 HELIX 3 3 SER A 82 ALA A 95 1 14 HELIX 4 4 PRO A 107 THR A 136 1 30 HELIX 5 5 THR A 228 SER A 235 1 8 HELIX 6 6 GLY B 32 ASP B 40 1 9 HELIX 7 7 SER B 45 ALA B 70 1 26 HELIX 8 8 SER B 82 ALA B 95 1 14 HELIX 9 9 PRO B 107 THR B 136 1 30 HELIX 10 10 THR B 228 SER B 235 1 8 SHEET 1 A 2 THR A 24 ARG A 25 0 SHEET 2 A 2 ALA B 284 LEU B 285 1 O LEU B 285 N THR A 24 SHEET 1 B 3 VAL A 142 PHE A 144 0 SHEET 2 B 3 LYS A 156 ASN A 165 -1 O ALA A 164 N LEU A 143 SHEET 3 B 3 SER A 211 PRO A 217 -1 O HIS A 216 N LEU A 159 SHEET 1 C 4 VAL A 142 PHE A 144 0 SHEET 2 C 4 LYS A 156 ASN A 165 -1 O ALA A 164 N LEU A 143 SHEET 3 C 4 MET A 148 PHE A 153 -1 N VAL A 149 O MET A 160 SHEET 4 C 4 ILE A 265 TRP A 267 1 O ILE A 266 N MET A 148 SHEET 1 D 3 VAL A 191 ASP A 197 0 SHEET 2 D 3 ILE A 171 ILE A 185 -1 N ARG A 182 O ARG A 194 SHEET 3 D 3 ARG A 204 PHE A 208 -1 O SER A 205 N ALA A 174 SHEET 1 E 4 VAL A 191 ASP A 197 0 SHEET 2 E 4 ILE A 171 ILE A 185 -1 N ARG A 182 O ARG A 194 SHEET 3 E 4 GLU A 238 HIS A 247 -1 O HIS A 246 N ILE A 172 SHEET 4 E 4 GLN A 252 SER A 261 -1 O ALA A 256 N PHE A 243 SHEET 1 F 2 HIS A 270 PHE A 271 0 SHEET 2 F 2 ILE A 293 ALA A 294 -1 O ALA A 294 N HIS A 270 SHEET 1 G 3 VAL B 142 PHE B 144 0 SHEET 2 G 3 LYS B 156 ASN B 165 -1 O ALA B 164 N LEU B 143 SHEET 3 G 3 SER B 211 PRO B 217 -1 O HIS B 216 N LEU B 159 SHEET 1 H 4 VAL B 142 PHE B 144 0 SHEET 2 H 4 LYS B 156 ASN B 165 -1 O ALA B 164 N LEU B 143 SHEET 3 H 4 MET B 148 PHE B 153 -1 N VAL B 149 O MET B 160 SHEET 4 H 4 ILE B 265 TRP B 267 1 O ILE B 266 N MET B 148 SHEET 1 I 3 VAL B 191 ASP B 197 0 SHEET 2 I 3 ILE B 171 ILE B 185 -1 N ARG B 182 O ARG B 194 SHEET 3 I 3 ARG B 204 PHE B 208 -1 O SER B 205 N ALA B 174 SHEET 1 J 4 VAL B 191 ASP B 197 0 SHEET 2 J 4 ILE B 171 ILE B 185 -1 N ARG B 182 O ARG B 194 SHEET 3 J 4 GLU B 238 HIS B 247 -1 O HIS B 246 N ILE B 172 SHEET 4 J 4 GLN B 252 SER B 261 -1 O ALA B 256 N PHE B 243 SHEET 1 K 2 HIS B 270 PHE B 271 0 SHEET 2 K 2 ILE B 293 ALA B 294 -1 O ALA B 294 N HIS B 270 LINK O THR A 96 K D K A1003 1555 1555 2.89 LINK OG1 THR A 96 K D K A1003 1555 1555 2.90 LINK O THR A 96 K A K A1006 1555 1555 2.71 LINK O ILE A 97 K B K B1005 1555 1555 2.65 LINK O GLY A 98 K D K A1004 1555 1555 2.58 LINK O TYR A 99 K A K A1002 1555 1555 2.55 LINK K A K A1002 O TYR B 99 1555 1555 2.57 LINK K D K A1003 O THR B 96 1555 1555 2.96 LINK K D K A1004 O DHOH A2002 1555 1555 2.88 LINK K D K A1004 O GLY B 98 1555 1555 2.66 LINK K A K A1006 O THR B 96 1555 1555 2.71 LINK K A K A1006 O AHOH B3002 1555 1555 2.78 LINK MG A MG A2001 O AHOH A2003 1555 1555 1.98 LINK O ILE B 97 K B K B1005 1555 1555 2.51 SITE 1 AC1 5 GLY A 98 TYR A 99 K A1004 GLY B 98 SITE 2 AC1 5 TYR B 99 SITE 1 AC2 4 THR A 96 K A1006 THR B 96 K B1005 SITE 1 AC3 8 ILE A 97 GLY A 98 K A1002 HOH A2002 SITE 2 AC3 8 ILE B 97 GLY B 98 K B1005 HOH B3002 SITE 1 AC4 7 THR A 96 ILE A 97 K A1003 HOH A2003 SITE 2 AC4 7 THR B 96 ILE B 97 HOH B3002 SITE 1 AC5 3 THR A 96 HOH A2003 THR B 96 SITE 1 AC6 8 THR A 96 ILE A 97 K A1003 K A1004 SITE 2 AC6 8 HOH A2003 THR B 96 ILE B 97 HOH B3002 SITE 1 AC7 4 ALA A 128 TYR A 132 ALA B 128 TYR B 132 CRYST1 105.756 107.532 89.654 90.00 90.00 90.00 P 21 21 2 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 0.009456 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009300 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011154 0.00000