HEADER MEMBRANE PROTEIN 19-NOV-08 2KB1 TITLE NMR STUDIES OF A CHANNEL PROTEIN WITHOUT MEMBRANE: STRUCTURE AND TITLE 2 DYNAMICS OF WATER-SOLUBILIZED KCSA COMPND MOL_ID: 1; COMPND 2 MOLECULE: WSK3; COMPND 3 CHAIN: A, B, C, D; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: ROSETTA(DE3)PLYSS; SOURCE 7 EXPRESSION_SYSTEM_VECTOR: PET-24A; SOURCE 8 OTHER_DETAILS: DESIGNED VARIANT OF KCSA KEYWDS PROTEIN, HOMOTETRAMER, MEMBRANE PROTEIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR D.MA,Y.XU,T.TILLMAN,P.TANG,E.MEIROVITCH,R.ECKENHOFF,A.CARNINI REVDAT 3 22-MAY-24 2KB1 1 REMARK REVDAT 2 16-MAR-22 2KB1 1 REMARK REVDAT 1 09-DEC-08 2KB1 0 JRNL AUTH D.MA,T.TILLMAN,P.TANG,E.MEIROVITCH,R.ECKENHOFF,A.CARNINI, JRNL AUTH 2 Y.XU JRNL TITL NMR STUDIES OF A CHANNEL PROTEIN WITHOUT MEMBRANES: JRNL TITL 2 STRUCTURE AND DYNAMICS OF WATER-SOLUBILIZED KCSA JRNL REF PROC.NATL.ACAD.SCI.USA V. 105 16537 2008 JRNL REFN ISSN 0027-8424 JRNL PMID 18948596 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA 2.1, X-PLOR NIH 2.15.0 REMARK 3 AUTHORS : GUNTERT, MUMENTHALER AND WUTHRICH (CYANA), REMARK 3 SCHWIETERS, KUSZEWSKI, TJANDRA AND CLORE (X-PLOR REMARK 3 NIH) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2KB1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-NOV-08. REMARK 100 THE DEPOSITION ID IS D_1000100898. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 293 REMARK 210 PH : 4.5 REMARK 210 IONIC STRENGTH : NO SALT REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 0.2 MM [U-15N] WSK3_15N, 55 M [U REMARK 210 -2H] D2O, 0.2 MM DSS, 95% H2O/5% REMARK 210 D2O; 0.2 MM [U-13C; U-15N] WSK3, REMARK 210 55 M [U-2H] D2O, 0.2 MM DSS, 95% REMARK 210 H2O/5% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 3D CBCA(CO)NH; REMARK 210 3D HNCO; 3D HNCA; 3D HNCACB; 3D REMARK 210 HCCH-TOCSY; T1, T2, HETNOE; R2 REMARK 210 DISPERSION; DIFFUSION MEASUREMENT REMARK 210 SPECTROMETER FIELD STRENGTH : 800 MHZ; 700 MHZ; 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : X-PLOR NIH 2.15.0, TOPSPIN 1.3, REMARK 210 SPARKY 3.110, NMRPIPE 2.4 REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS 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 GLY D 67 H VAL D 70 1.39 REMARK 500 O GLY B 67 H VAL B 70 1.45 REMARK 500 O GLY A 67 H VAL A 70 1.45 REMARK 500 O GLY C 67 H VAL C 70 1.55 REMARK 500 O PHE A 93 H ARG A 96 1.56 REMARK 500 O LYS D 25 H ALA D 29 1.57 REMARK 500 O LYS B 25 H ALA B 29 1.59 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 1 LYS A 24 -78.29 -77.57 REMARK 500 1 LYS A 25 -35.15 -36.19 REMARK 500 1 ALA A 37 10.09 -146.38 REMARK 500 1 LEU A 38 -71.08 -83.80 REMARK 500 1 ILE A 39 -162.76 37.51 REMARK 500 1 SER A 40 128.10 55.15 REMARK 500 1 VAL A 49 -80.29 -152.39 REMARK 500 1 THR A 53 37.95 -79.82 REMARK 500 1 THR A 54 -117.95 60.28 REMARK 500 1 VAL A 55 -54.86 69.87 REMARK 500 1 TYR A 57 34.49 -90.58 REMARK 500 1 TYR A 61 98.32 -167.88 REMARK 500 1 VAL A 63 -136.85 -87.64 REMARK 500 1 GLU A 66 24.94 -65.13 REMARK 500 1 ARG A 68 -34.05 -24.33 REMARK 500 1 LYS A 69 -19.03 -48.15 REMARK 500 1 THR A 86 -31.23 -38.16 REMARK 500 1 THR A 91 -4.54 -59.54 REMARK 500 1 ALA B 2 -172.74 45.35 REMARK 500 1 ARG B 31 102.98 -52.62 REMARK 500 1 ALA B 37 -20.92 70.42 REMARK 500 1 SER B 40 135.24 80.22 REMARK 500 1 THR B 54 -6.70 66.09 REMARK 500 1 TYR B 57 -73.08 61.88 REMARK 500 1 TYR B 61 136.72 -173.82 REMARK 500 1 PRO B 62 -171.73 -69.12 REMARK 500 1 VAL B 63 -135.94 -118.06 REMARK 500 1 GLU B 66 32.02 -71.19 REMARK 500 1 ARG B 68 -33.01 -23.95 REMARK 500 1 LYS B 69 -18.48 -48.27 REMARK 500 1 VAL B 85 -8.93 -52.62 REMARK 500 1 LYS C 24 -77.78 -73.79 REMARK 500 1 LYS C 25 -25.84 -38.98 REMARK 500 1 ALA C 29 29.26 -70.91 REMARK 500 1 GLU C 30 -38.98 -153.46 REMARK 500 1 ARG C 31 86.43 -65.36 REMARK 500 1 ALA C 36 167.98 -42.35 REMARK 500 1 ALA C 37 -30.94 -155.95 REMARK 500 1 SER C 40 140.15 80.81 REMARK 500 1 THR C 51 -41.16 -177.00 REMARK 500 1 ASP C 59 -89.46 41.61 REMARK 500 1 VAL C 63 -132.57 -89.22 REMARK 500 1 GLU C 66 47.04 -108.28 REMARK 500 1 ARG C 68 -32.02 -25.18 REMARK 500 1 LYS C 69 -9.08 -55.40 REMARK 500 1 VAL C 85 -9.96 -47.93 REMARK 500 1 ALA D 2 107.93 54.05 REMARK 500 1 TYR D 41 -63.02 -104.43 REMARK 500 1 THR D 54 70.61 41.26 REMARK 500 1 VAL D 55 -42.28 -146.78 REMARK 500 REMARK 500 THIS ENTRY HAS 926 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 15677 RELATED DB: BMRB REMARK 900 RELATED ID: 2K1E RELATED DB: PDB REMARK 900 2K1E UNDERWENT FURTHER MINIMIZATION IN WATER BOX WITHOUT NMR REMARK 900 CONSTRAINTS DBREF 2KB1 A 1 103 PDB 2KB1 2KB1 1 103 DBREF 2KB1 B 1 103 PDB 2KB1 2KB1 1 103 DBREF 2KB1 C 1 103 PDB 2KB1 2KB1 1 103 DBREF 2KB1 D 1 103 PDB 2KB1 2KB1 1 103 SEQRES 1 A 103 SER ALA ASP HIS GLU ARG GLU ALA GLN LYS ALA GLU GLU SEQRES 2 A 103 GLU LEU GLN LYS VAL LEU GLU GLU ALA SER LYS LYS ALA SEQRES 3 A 103 VAL GLU ALA GLU ARG GLY ALA PRO GLY ALA ALA LEU ILE SEQRES 4 A 103 SER TYR PRO ASP ALA ILE TRP TRP SER VAL GLU THR ALA SEQRES 5 A 103 THR THR VAL GLY TYR GLY ASP ARG TYR PRO VAL THR GLU SEQRES 6 A 103 GLU GLY ARG LYS VAL ALA GLU GLN VAL MET LYS ALA GLY SEQRES 7 A 103 ILE GLU VAL PHE ALA LEU VAL THR ALA ALA LEU ALA THR SEQRES 8 A 103 ASP PHE VAL ARG ARG GLU GLU GLU ARG ARG GLY HIS SEQRES 1 B 103 SER ALA ASP HIS GLU ARG GLU ALA GLN LYS ALA GLU GLU SEQRES 2 B 103 GLU LEU GLN LYS VAL LEU GLU GLU ALA SER LYS LYS ALA SEQRES 3 B 103 VAL GLU ALA GLU ARG GLY ALA PRO GLY ALA ALA LEU ILE SEQRES 4 B 103 SER TYR PRO ASP ALA ILE TRP TRP SER VAL GLU THR ALA SEQRES 5 B 103 THR THR VAL GLY TYR GLY ASP ARG TYR PRO VAL THR GLU SEQRES 6 B 103 GLU GLY ARG LYS VAL ALA GLU GLN VAL MET LYS ALA GLY SEQRES 7 B 103 ILE GLU VAL PHE ALA LEU VAL THR ALA ALA LEU ALA THR SEQRES 8 B 103 ASP PHE VAL ARG ARG GLU GLU GLU ARG ARG GLY HIS SEQRES 1 C 103 SER ALA ASP HIS GLU ARG GLU ALA GLN LYS ALA GLU GLU SEQRES 2 C 103 GLU LEU GLN LYS VAL LEU GLU GLU ALA SER LYS LYS ALA SEQRES 3 C 103 VAL GLU ALA GLU ARG GLY ALA PRO GLY ALA ALA LEU ILE SEQRES 4 C 103 SER TYR PRO ASP ALA ILE TRP TRP SER VAL GLU THR ALA SEQRES 5 C 103 THR THR VAL GLY TYR GLY ASP ARG TYR PRO VAL THR GLU SEQRES 6 C 103 GLU GLY ARG LYS VAL ALA GLU GLN VAL MET LYS ALA GLY SEQRES 7 C 103 ILE GLU VAL PHE ALA LEU VAL THR ALA ALA LEU ALA THR SEQRES 8 C 103 ASP PHE VAL ARG ARG GLU GLU GLU ARG ARG GLY HIS SEQRES 1 D 103 SER ALA ASP HIS GLU ARG GLU ALA GLN LYS ALA GLU GLU SEQRES 2 D 103 GLU LEU GLN LYS VAL LEU GLU GLU ALA SER LYS LYS ALA SEQRES 3 D 103 VAL GLU ALA GLU ARG GLY ALA PRO GLY ALA ALA LEU ILE SEQRES 4 D 103 SER TYR PRO ASP ALA ILE TRP TRP SER VAL GLU THR ALA SEQRES 5 D 103 THR THR VAL GLY TYR GLY ASP ARG TYR PRO VAL THR GLU SEQRES 6 D 103 GLU GLY ARG LYS VAL ALA GLU GLN VAL MET LYS ALA GLY SEQRES 7 D 103 ILE GLU VAL PHE ALA LEU VAL THR ALA ALA LEU ALA THR SEQRES 8 D 103 ASP PHE VAL ARG ARG GLU GLU GLU ARG ARG GLY HIS HELIX 1 1 ALA A 2 ARG A 31 1 30 HELIX 2 2 SER A 40 SER A 48 1 9 HELIX 3 3 ARG A 68 VAL A 85 1 18 HELIX 4 4 VAL A 85 GLY A 102 1 18 HELIX 5 5 ASP B 3 ARG B 31 1 29 HELIX 6 6 SER B 40 THR B 53 1 14 HELIX 7 7 ARG B 68 VAL B 85 1 18 HELIX 8 8 VAL B 85 ALA B 90 1 6 HELIX 9 9 VAL B 94 GLY B 102 1 9 HELIX 10 10 ALA C 2 ALA C 29 1 28 HELIX 11 11 SER C 40 GLU C 50 1 11 HELIX 12 12 ARG C 68 VAL C 85 1 18 HELIX 13 13 THR C 86 LEU C 89 5 4 HELIX 14 14 VAL C 94 GLY C 102 1 9 HELIX 15 15 ALA D 2 ARG D 31 1 30 HELIX 16 16 ASP D 43 THR D 53 1 11 HELIX 17 17 ARG D 68 VAL D 85 1 18 HELIX 18 18 VAL D 85 THR D 91 1 7 HELIX 19 19 ARG D 95 GLY D 102 1 8 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1