HEADER TRANSPORT PROTEIN 28-JUL-05 2AHZ TITLE K+ COMPLEX OF THE NAK CHANNEL COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM CHANNEL PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS CEREUS; SOURCE 3 ORGANISM_TAXID: 1396; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: XL-1 BLUE; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PQE 60 KEYWDS INVERTED TEEPEE, HELIX BUNDLE, TETRAMER, CENTRAL CAVITY, ION BINDING, KEYWDS 2 TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR N.SHI,S.YE,A.ALAM,L.CHEN,Y.JIANG REVDAT 5 13-JUL-11 2AHZ 1 VERSN REVDAT 4 24-FEB-09 2AHZ 1 VERSN REVDAT 3 04-APR-06 2AHZ 1 JRNL REVDAT 2 28-MAR-06 2AHZ 1 JRNL REVDAT 1 07-FEB-06 2AHZ 0 JRNL AUTH N.SHI,S.YE,A.ALAM,L.CHEN,Y.JIANG JRNL TITL ATOMIC STRUCTURE OF A NA+- AND K+-CONDUCTING CHANNEL. JRNL REF NATURE V. 440 570 2006 JRNL REFN ISSN 0028-0836 JRNL PMID 16467789 JRNL DOI 10.1038/NATURE04508 REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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 & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 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) (%) : 98.7 REMARK 3 NUMBER OF REFLECTIONS : 11045 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) : 0.241 REMARK 3 FREE R VALUE : 0.280 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1142 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 : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.90 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 825 REMARK 3 BIN R VALUE (WORKING SET) : 0.2836 REMARK 3 BIN FREE R VALUE : 0.3712 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 93 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 : 1653 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 15 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 62.53 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 78.02 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 11.92700 REMARK 3 B22 (A**2) : 7.03400 REMARK 3 B33 (A**2) : -17.96100 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) : 0.34 REMARK 3 ESD FROM SIGMAA (A) : 0.31 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) : 0.42 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.33 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.16 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 17.77 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.90 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) : 5.936 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : 7.972 ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : 10.223; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : 12.751; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.30 REMARK 3 BSOL : 54.95 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2AHZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-AUG-05. REMARK 100 THE RCSB ID CODE IS RCSB033917. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-APR-05 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 8.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-BM REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5498 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11424 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.800 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 200 DATA REDUNDANCY : 8.800 REMARK 200 R MERGE (I) : 0.05100 REMARK 200 R SYM (I) : 0.05100 REMARK 200 FOR THE DATA SET : 39.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.3 REMARK 200 DATA REDUNDANCY IN SHELL : 5.80 REMARK 200 R MERGE FOR SHELL (I) : 0.47400 REMARK 200 R SYM FOR SHELL (I) : 0.47400 REMARK 200 FOR SHELL : 2.700 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 2AHY REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 72.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.38 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 400, KCL, CACL2, TRIS.HCL, T- REMARK 280 BUTANOL, N-DECYL-BETA-D-MALTOPYRANOSIDE, PH 8.0, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 293 K, PH 8.00 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 64.80400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 64.80400 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 41.10150 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 42.77050 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 41.10150 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 42.77050 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 64.80400 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 41.10150 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 42.77050 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 64.80400 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 41.10150 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 42.77050 REMARK 290 SMTRY3 8 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 BIOLOGICAL ASSEMBLY IS A TETRAMER GENERATED FROM THE REMARK 300 DIMER IN THE ASYMMETRIC UNIT BY THE CRYSTALLOGRAPHIC TWO FOLD: X , REMARK 300 -Y , -Z 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: 9620 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21020 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -95.0 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 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 85.54100 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 129.60800 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 A 111 LIES ON A SPECIAL POSITION. REMARK 375 K K A 112 LIES ON A SPECIAL POSITION. REMARK 375 K K A 113 LIES ON A SPECIAL POSITION. REMARK 375 CA CA A 114 LIES ON A SPECIAL POSITION. REMARK 375 K K B 111 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 115 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 112 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 SER A 106 REMARK 465 ILE A 107 REMARK 465 LEU A 108 REMARK 465 SER A 109 REMARK 465 ASN A 110 REMARK 465 LEU B 104 REMARK 465 PRO B 105 REMARK 465 SER B 106 REMARK 465 ILE B 107 REMARK 465 LEU B 108 REMARK 465 SER B 109 REMARK 465 ASN B 110 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 MET A 1 CG SD CE REMARK 470 MET B 1 CG SD CE 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 THR A 44 -70.82 -76.10 REMARK 500 LEU A 104 -88.90 -78.00 REMARK 500 TRP B 19 0.70 -62.00 REMARK 500 ASN B 68 -59.32 -126.09 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH B 112 DISTANCE = 5.79 ANGSTROMS REMARK 525 HOH B 115 DISTANCE = 5.68 ANGSTROMS 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 A 111 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL A 64 O REMARK 620 2 THR A 63 O 76.1 REMARK 620 3 THR B 63 O 81.8 71.2 REMARK 620 4 VAL B 64 O 77.3 140.2 76.2 REMARK 620 5 K A 112 K 116.8 52.0 51.7 119.5 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 112 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR B 63 O REMARK 620 2 THR A 63 OG1 109.2 REMARK 620 3 THR B 63 OG1 61.3 82.2 REMARK 620 4 THR A 63 O 69.5 65.1 105.5 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 113 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 113 O REMARK 620 2 HOH A 116 O 69.7 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 114 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY B 67 O REMARK 620 2 GLY A 67 O 69.5 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 111 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 112 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 114 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2AHY RELATED DB: PDB REMARK 900 NA+ COMPLEX OF THE NAK CHANNEL DBREF 2AHZ A 1 110 GB 29894393 AAP07683 1 110 DBREF 2AHZ B 1 110 GB 29894393 AAP07683 1 110 SEQRES 1 A 110 MET LEU SER PHE LEU LEU THR LEU LYS ARG MET LEU ARG SEQRES 2 A 110 ALA CYS LEU ARG ALA TRP LYS ASP LYS GLU PHE GLN VAL SEQRES 3 A 110 LEU PHE VAL LEU THR ILE LEU THR LEU ILE SER GLY THR SEQRES 4 A 110 ILE PHE TYR SER THR VAL GLU GLY LEU ARG PRO ILE ASP SEQRES 5 A 110 ALA LEU TYR PHE SER VAL VAL THR LEU THR THR VAL GLY SEQRES 6 A 110 ASP GLY ASN PHE SER PRO GLN THR ASP PHE GLY LYS ILE SEQRES 7 A 110 PHE THR ILE LEU TYR ILE PHE ILE GLY ILE GLY LEU VAL SEQRES 8 A 110 PHE GLY PHE ILE HIS LYS LEU ALA VAL ASN VAL GLN LEU SEQRES 9 A 110 PRO SER ILE LEU SER ASN SEQRES 1 B 110 MET LEU SER PHE LEU LEU THR LEU LYS ARG MET LEU ARG SEQRES 2 B 110 ALA CYS LEU ARG ALA TRP LYS ASP LYS GLU PHE GLN VAL SEQRES 3 B 110 LEU PHE VAL LEU THR ILE LEU THR LEU ILE SER GLY THR SEQRES 4 B 110 ILE PHE TYR SER THR VAL GLU GLY LEU ARG PRO ILE ASP SEQRES 5 B 110 ALA LEU TYR PHE SER VAL VAL THR LEU THR THR VAL GLY SEQRES 6 B 110 ASP GLY ASN PHE SER PRO GLN THR ASP PHE GLY LYS ILE SEQRES 7 B 110 PHE THR ILE LEU TYR ILE PHE ILE GLY ILE GLY LEU VAL SEQRES 8 B 110 PHE GLY PHE ILE HIS LYS LEU ALA VAL ASN VAL GLN LEU SEQRES 9 B 110 PRO SER ILE LEU SER ASN HET K A 111 1 HET K A 112 1 HET K A 113 1 HET CA A 114 1 HET K B 111 1 HETNAM K POTASSIUM ION HETNAM CA CALCIUM ION FORMUL 3 K 4(K 1+) FORMUL 6 CA CA 2+ FORMUL 8 HOH *15(H2 O) HELIX 1 1 MET A 1 TRP A 19 1 19 HELIX 2 2 ASP A 21 VAL A 45 1 25 HELIX 3 3 ARG A 49 THR A 62 1 14 HELIX 4 4 THR A 73 GLN A 103 1 31 HELIX 5 5 MET B 1 TRP B 19 1 19 HELIX 6 6 ASP B 21 VAL B 45 1 25 HELIX 7 7 ARG B 49 THR B 62 1 14 HELIX 8 8 THR B 73 VAL B 102 1 30 LINK K K A 111 O VAL A 64 1555 1555 3.00 LINK K K A 111 O THR A 63 1555 1555 2.68 LINK K K A 111 O THR B 63 1555 1555 2.77 LINK K K A 111 O VAL B 64 1555 1555 3.08 LINK K K A 111 K K A 112 1555 1555 3.46 LINK K K A 112 O THR B 63 1555 1555 2.79 LINK K K A 112 OG1 THR A 63 1555 1555 2.96 LINK K K A 112 OG1 THR B 63 1555 1555 3.12 LINK K K A 112 O THR A 63 1555 1555 2.78 LINK K K A 113 O HOH B 113 1555 1555 3.55 LINK K K A 113 O HOH A 116 1555 1555 3.19 LINK CA CA A 114 O GLY B 67 1555 1555 2.41 LINK CA CA A 114 O GLY A 67 1555 1555 2.59 LINK K K A 111 O VAL B 64 1555 4566 3.08 LINK K K A 111 O THR A 63 1555 4566 2.68 LINK K K A 111 O VAL A 64 1555 4566 3.00 LINK K K A 111 O THR B 63 1555 4566 2.77 LINK K K A 111 K K A 112 1555 4566 3.46 LINK K K A 112 OG1 THR A 63 1555 4566 2.96 LINK K K A 112 O THR A 63 1555 4566 2.78 LINK K K A 112 O THR B 63 1555 4566 2.79 LINK K K A 112 OG1 THR B 63 1555 4566 3.12 LINK K K A 113 O HOH A 116 1555 4566 3.19 LINK K K A 113 O HOH B 113 1555 4566 3.55 LINK CA CA A 114 O GLY B 67 1555 4566 2.41 LINK CA CA A 114 O GLY A 67 1555 4566 2.59 SITE 1 AC1 5 THR A 63 VAL A 64 K A 112 THR B 63 SITE 2 AC1 5 VAL B 64 SITE 1 AC2 3 THR A 63 K A 111 THR B 63 SITE 1 AC3 2 GLY A 67 GLY B 67 CRYST1 82.203 85.541 129.608 90.00 90.00 90.00 C 2 2 21 16 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 0.012165 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011690 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007716 0.00000 MASTER 372 0 5 8 0 0 4 6 0 0 0 18 END