PDB Short entry for 2KXL HEADER MEMBRANE PROTEIN 10-MAY-10 2KXL TITLE SOLUTION STRUCTURE OF A BACTERIAL CYCLIC NUCLEOTIDE-ACTIVATED K+ TITLE 2 CHANNEL BINDING DOMAIN IN THE UNLIGANDED STATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYCLIC NUCLEOTIDE-GATED POTASSIUM CHANNEL MLL3241; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 216-355; COMPND 5 SYNONYM: MLOTIK1 CHANNEL; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MESORHIZOBIUM LOTI; SOURCE 3 ORGANISM_TAXID: 381; SOURCE 4 GENE: MLL3241; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSE; SOURCE 8 EXPRESSION_SYSTEM_VECTOR: PGEX-2T KEYWDS CYCLIC NUCLEOTIDE BINDING DOMAIN (CNBD), ION CHANNEL, PROTEIN KEYWDS 2 PHOSPHATE BINDING CASSETTE IN THE APO STATE, HELICAL PORTION, BETA KEYWDS 3 BARREL CORE, MEMBRANE PROTEIN EXPDTA SOLUTION NMR NUMMDL 15 AUTHOR S.SCHUNKE,M.STOLDT,D.WILLBOLD REVDAT 2 27-APR-11 2KXL 1 JRNL REVDAT 1 20-APR-11 2KXL 0 JRNL AUTH S.SCHUNKE,M.STOLDT,J.LECHER,U.B.KAUPP,D.WILLBOLD JRNL TITL STRUCTURAL INSIGHTS INTO CONFORMATIONAL CHANGES OF A CYCLIC JRNL TITL 2 NUCLEOTIDE-BINDING DOMAIN IN SOLUTION FROM MESORHIZOBIUM JRNL TITL 3 LOTI K1 CHANNEL. JRNL REF PROC.NATL.ACAD.SCI.USA V. 108 6121 2011 JRNL REFN ISSN 0027-8424 JRNL PMID 21430265 JRNL DOI 10.1073/PNAS.1015890108 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA 1.1 REMARK 3 AUTHORS : GUNTERT, MUMENTHALER AND WUTHRICH REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2KXL COMPLIES WITH FORMAT V. 3.20, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-MAY-10. REMARK 100 THE RCSB ID CODE IS RCSB101699. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 7 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 0.5 MM [U-15N] MLOK1 CNBD, 10 MM REMARK 210 [U-99% 2H] TRIS, 100 MM SODIUM REMARK 210 CHLORIDE, 0.02 % SODIUM AZIDE, 5 REMARK 210 % [U-100% 2H] D2O, 95 % H2O, 200 REMARK 210 UM EDTA, 95% H2O/5% D2O; 0.5 MM REMARK 210 [U-13C; U-15N] MLOK1 CNBD, 10 MM REMARK 210 [U-99% 2H] TRIS, 100 MM SODIUM REMARK 210 CHLORIDE, 0.02 % SODIUM AZIDE, 5 REMARK 210 % [U-100% 2H] D2O, 95 % H2O, 200 REMARK 210 UM EDTA, 95% H2O/5% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 2D 1H-13C HSQC; REMARK 210 3D HNCACB; 3D HNCO; 3D HNHA; 3D REMARK 210 HCCH-TOCSY; 3D HCCH-COSY; 3D 1H- REMARK 210 15N NOESY; 3D 1H-13C NOESY; 2D 1H REMARK 210 -1H NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 800 MHZ; 600 MHZ REMARK 210 SPECTROMETER MODEL : INOVA REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : VNMRJ, NMRPIPE, CARA, CYANA 1.1 REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS, REMARK 210 SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 15 REMARK 210 CONFORMERS, SELECTION CRITERIA : TARGET FUNCTION 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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: 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 ASP A 270 37.51 -171.61 REMARK 500 1 SER A 303 42.97 -153.47 REMARK 500 1 ALA A 309 160.20 173.42 REMARK 500 1 THR A 316 85.36 -58.67 REMARK 500 2 ASP A 270 38.48 -170.82 REMARK 500 2 SER A 303 41.13 -153.51 REMARK 500 2 ALA A 309 160.63 176.35 REMARK 500 2 THR A 315 -164.01 -160.18 REMARK 500 2 THR A 316 74.61 -64.08 REMARK 500 3 LEU A 239 -179.98 -63.79 REMARK 500 3 ASP A 270 37.84 -171.92 REMARK 500 3 ARG A 271 148.57 -170.80 REMARK 500 3 SER A 303 48.37 -151.53 REMARK 500 3 ALA A 309 159.29 162.68 REMARK 500 3 THR A 316 92.36 -49.80 REMARK 500 4 ASP A 270 37.30 -170.20 REMARK 500 4 ARG A 271 146.33 -171.57 REMARK 500 4 SER A 303 40.89 -149.44 REMARK 500 4 ALA A 309 160.82 175.26 REMARK 500 4 THR A 316 87.91 -54.74 REMARK 500 5 ASP A 270 38.36 -170.39 REMARK 500 5 ARG A 271 149.21 -171.23 REMARK 500 5 SER A 303 41.01 -151.94 REMARK 500 5 ALA A 309 160.88 171.73 REMARK 500 5 THR A 315 -159.05 -158.63 REMARK 500 5 THR A 316 81.26 -66.03 REMARK 500 6 ASP A 270 37.93 -171.63 REMARK 500 6 SER A 303 48.37 -151.32 REMARK 500 6 THR A 316 88.18 -53.76 REMARK 500 7 ASP A 270 38.28 -170.20 REMARK 500 7 ARG A 271 145.17 -170.34 REMARK 500 7 SER A 303 42.16 -153.78 REMARK 500 7 THR A 316 78.08 -61.37 REMARK 500 8 ASP A 270 36.68 -170.47 REMARK 500 8 SER A 303 42.57 -151.46 REMARK 500 8 SER A 308 15.90 59.38 REMARK 500 8 THR A 316 91.36 -49.90 REMARK 500 9 ASP A 270 38.67 -170.45 REMARK 500 9 SER A 303 43.20 -151.89 REMARK 500 9 THR A 315 -165.08 -164.43 REMARK 500 9 THR A 316 80.70 -60.26 REMARK 500 10 ASP A 270 38.11 -170.19 REMARK 500 10 SER A 303 38.16 -151.57 REMARK 500 10 ALA A 309 161.05 173.91 REMARK 500 10 THR A 316 92.46 -49.29 REMARK 500 11 ASP A 270 37.60 -170.26 REMARK 500 11 SER A 303 44.99 -155.02 REMARK 500 11 ALA A 309 160.57 164.59 REMARK 500 11 THR A 316 91.33 -49.49 REMARK 500 12 ASP A 270 38.31 -170.33 REMARK 500 REMARK 500 THIS ENTRY HAS 69 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 650 REMARK 650 HELIX REMARK 650 DETERMINATION METHOD: AUTHOR DETERMINED REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 16628 RELATED DB: BMRB REMARK 900 RESONANCE ASSIGNMENTS OF THE NUCLEOTIDE-FREE WILDTYPE MLOK1 REMARK 900 CYCLIC NUCLEOTIDE-BINDING DOMAIN REMARK 900 RELATED ID: 2K0G RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF A BACTERIAL CYCLIC NUCLEOTIDE- REMARK 900 ACTIVATED K+ CHANNEL BINDING DOMAIN IN COMPLEX WITH CAMP DBREF 2KXL A 216 355 UNP Q98GN8 CNGK1_RHILO 216 355 SEQADV 2KXL GLY A 214 UNP Q98GN8 EXPRESSION TAG SEQADV 2KXL SER A 215 UNP Q98GN8 EXPRESSION TAG SEQRES 1 A 142 GLY SER GLN GLU VAL ARG ARG GLY ASP PHE VAL ARG ASN SEQRES 2 A 142 TRP GLN LEU VAL ALA ALA VAL PRO LEU PHE GLN LYS LEU SEQRES 3 A 142 GLY PRO ALA VAL LEU VAL GLU ILE VAL ARG ALA LEU ARG SEQRES 4 A 142 ALA ARG THR VAL PRO ALA GLY ALA VAL ILE CYS ARG ILE SEQRES 5 A 142 GLY GLU PRO GLY ASP ARG MET PHE PHE VAL VAL GLU GLY SEQRES 6 A 142 SER VAL SER VAL ALA THR PRO ASN PRO VAL GLU LEU GLY SEQRES 7 A 142 PRO GLY ALA PHE PHE GLY GLU MET ALA LEU ILE SER GLY SEQRES 8 A 142 GLU PRO ARG SER ALA THR VAL SER ALA ALA THR THR VAL SEQRES 9 A 142 SER LEU LEU SER LEU HIS SER ALA ASP PHE GLN MET LEU SEQRES 10 A 142 CYS SER SER SER PRO GLU ILE ALA GLU ILE PHE ARG LYS SEQRES 11 A 142 THR ALA LEU GLU ARG ARG GLY ALA ALA ALA SER ALA HELIX 1 1 ASP A 222 ALA A 231 1 10 HELIX 2 2 PRO A 241 ALA A 250 1 10 HELIX 3 3 GLU A 298 SER A 303 1 6 HELIX 4 4 SER A 324 SER A 333 1 10 HELIX 5 5 PRO A 335 GLY A 350 1 16 SHEET 1 A 4 ARG A 252 VAL A 256 0 SHEET 2 A 4 VAL A 317 HIS A 323 -1 O SER A 321 N ARG A 252 SHEET 3 A 4 ARG A 271 GLU A 277 -1 N VAL A 276 O SER A 318 SHEET 4 A 4 PHE A 295 PHE A 296 -1 O PHE A 296 N PHE A 273 SHEET 1 B 4 VAL A 261 CYS A 263 0 SHEET 2 B 4 VAL A 311 ALA A 313 -1 O VAL A 311 N CYS A 263 SHEET 3 B 4 VAL A 280 VAL A 282 -1 N SER A 281 O SER A 312 SHEET 4 B 4 VAL A 288 LEU A 290 -1 O VAL A 288 N VAL A 282 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