HEADER MEMBRANE PROTEIN 25-JUL-06 2HTG TITLE STRUCTURAL AND FUNCTIONAL CHARACTERIZATION OF TM VII OF THE NHE1 TITLE 2 ISOFORM OF THE NA+/H+ EXCHANGER COMPND MOL_ID: 1; COMPND 2 MOLECULE: NHE1 ISOFORM OF NA+/H+ EXCHANGER 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: TRANSMEMBRANE SEGMENT VII; COMPND 5 SYNONYM: SODIUM/HYDROGEN EXCHANGER 1; NHE-1; SOLUTE CARRIER FAMILY 9 COMPND 6 MEMBER 1; APNH; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: SYNTHESIZED USING SOLID-PHASE CHEMICAL PEPTIDE SOURCE 4 SYNTHESIS TECHNIQUES. ONE UNLABELED, ONE LABELED SAMPLE (15N LABELS SOURCE 5 AT L254, L258, G261, L264, A268, AND L273) KEYWDS MEMBRANE PROTEIN, TRANSMEMBRANE SEGMENT, HELIX-KINK-HELIX EXPDTA SOLUTION NMR NUMMDL 66 AUTHOR J.K.RAINEY,J.DING,C.XU,L.FLIEGEL,B.D.SYKES REVDAT 4 09-MAR-22 2HTG 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 2HTG 1 VERSN REVDAT 2 28-NOV-06 2HTG 1 JRNL REVDAT 1 08-AUG-06 2HTG 0 JRNL AUTH J.DING,J.K.RAINEY,C.XU,B.D.SYKES,L.FLIEGEL JRNL TITL STRUCTURAL AND FUNCTIONAL CHARACTERIZATION OF TRANSMEMBRANE JRNL TITL 2 SEGMENT VII OF THE NA(+)/H(+) EXCHANGER ISOFORM 1 JRNL REF J.BIOL.CHEM. V. 281 29817 2006 JRNL REFN ISSN 0021-9258 JRNL PMID 16861220 JRNL DOI 10.1074/JBC.M606152200 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BIOPACK, XPLOR-NIH 2.13 REMARK 3 AUTHORS : VARIAN (BIOPACK), SCHWIETERS ET AL. (XPLOR-NIH) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 1311 UNIQUE NOE RESTRAINTS WERE USED; REMARK 3 25 DIHEDRAL ANGLE RESTRAINTS. ALL INTER-RESIDUE RESTRAINTS WERE REMARK 3 MADE AMBIGUOUS AND CALCULATIONS WERE CARRIED OUT USING 2 REMARK 3 IDENTICAL POLYPEPTIDE CHAINS REMARK 4 REMARK 4 2HTG COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-JUL-06. REMARK 100 THE DEPOSITION ID IS D_1000038740. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 303 REMARK 210 PH : 4.8 REMARK 210 IONIC STRENGTH : ~ 75 MM NA+/DPC- REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : ~ 1 MM PEPTIDE SYNTHETIC SOURCE REMARK 210 1 (UNLABELED), 90% H2O/10% D2O, ~ REMARK 210 75 MM DODECYLPHOSPHOCHOLINE, REMARK 210 1.0 MM DSS; ~ 1 MM PEPTIDE REMARK 210 SYNTHETIC SOURCE 2 (6 SPECIFIC REMARK 210 15N LABELS), 90% H2O/10% D2O, ~ REMARK 210 75 MM DODECYLPHOSPHOCHOLINE, 1.0 REMARK 210 MM DSS REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY; 2D TOCSY; 13C-NATURAL REMARK 210 ABUNDANCE HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 800 MHZ; 500 MHZ REMARK 210 SPECTROMETER MODEL : INOVA REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NMRPIPE 2005.319.14.56, SPARKY REMARK 210 3.110, XPLOR-NIH 2.13 REMARK 210 METHOD USED : SIMULATED ANNEALING; TORSION REMARK 210 ANGLE DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 120 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 66 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: 15N LABELS WERE USED TO ASSIST IN ASSIGNMENTS. 2D REMARK 210 HOMONUCLEAR NOESY DATA FROM LABELED AND UNLABELED SAMPLES WERE REMARK 210 POOLED FOR STRUCTURE CALCULATION. 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: 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 THR A 270 H TYR A 274 1.43 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 ILE A 251 14.58 -145.63 REMARK 500 1 LEU A 254 -12.71 -45.98 REMARK 500 1 HIS A 256 -82.88 -85.26 REMARK 500 1 PHE A 260 -19.90 -42.07 REMARK 500 1 GLU A 262 -86.83 -42.35 REMARK 500 1 TYR A 274 -81.09 -90.81 REMARK 500 2 VAL A 259 -71.27 -55.49 REMARK 500 2 PHE A 260 -76.67 -83.21 REMARK 500 2 SER A 263 0.76 -63.40 REMARK 500 2 ASN A 266 -80.26 -88.27 REMARK 500 2 THR A 270 -69.56 -94.83 REMARK 500 2 VAL A 272 -18.22 -44.27 REMARK 500 2 LEU A 273 -74.23 -100.71 REMARK 500 2 TYR A 274 -83.31 -49.57 REMARK 500 3 GLU A 253 2.25 -69.08 REMARK 500 3 LEU A 254 -9.91 -51.31 REMARK 500 3 HIS A 256 -83.30 -82.00 REMARK 500 3 VAL A 259 -75.71 -58.60 REMARK 500 3 VAL A 271 -69.84 -102.39 REMARK 500 3 LEU A 273 -77.22 -93.78 REMARK 500 4 LEU A 254 -13.14 -44.80 REMARK 500 4 HIS A 256 -74.71 -95.57 REMARK 500 4 ILE A 257 -35.70 -39.02 REMARK 500 4 LEU A 258 -27.61 -37.38 REMARK 500 4 PHE A 260 -80.53 -51.18 REMARK 500 5 PHE A 260 -8.00 -54.50 REMARK 500 5 SER A 263 -7.56 -54.11 REMARK 500 5 ASN A 266 0.75 -69.66 REMARK 500 6 ILE A 251 -134.49 59.70 REMARK 500 6 GLU A 253 1.07 -63.98 REMARK 500 6 LEU A 254 -10.77 -49.57 REMARK 500 6 LEU A 258 -35.17 -39.53 REMARK 500 6 VAL A 259 -71.31 -41.60 REMARK 500 6 SER A 263 -81.80 -44.44 REMARK 500 6 ALA A 268 -66.04 -92.09 REMARK 500 6 LEU A 273 -67.33 -100.28 REMARK 500 6 TYR A 274 -88.25 -58.17 REMARK 500 7 LEU A 254 -15.68 -45.28 REMARK 500 7 HIS A 256 -80.11 -80.99 REMARK 500 7 VAL A 259 0.18 -60.93 REMARK 500 7 VAL A 271 -17.94 -45.06 REMARK 500 8 ILE A 251 -40.18 64.60 REMARK 500 8 ASN A 252 -60.02 -92.38 REMARK 500 8 LEU A 254 -16.42 -42.34 REMARK 500 8 HIS A 256 -79.63 -91.34 REMARK 500 8 ILE A 257 -32.97 -39.84 REMARK 500 8 VAL A 259 -84.31 -56.79 REMARK 500 8 VAL A 269 -19.97 -49.72 REMARK 500 8 VAL A 271 -69.74 -121.09 REMARK 500 8 VAL A 272 -18.00 -44.11 REMARK 500 REMARK 500 THIS ENTRY HAS 396 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NH2 A 277 DBREF 2HTG A 250 274 UNP P19634 SL9A1_HUMAN 250 274 SEQADV 2HTG LYS A 275 UNP P19634 CLONING ARTIFACT SEQADV 2HTG LYS A 276 UNP P19634 CLONING ARTIFACT SEQRES 1 A 28 HIS ILE ASN GLU LEU LEU HIS ILE LEU VAL PHE GLY GLU SEQRES 2 A 28 SER LEU LEU ASN ASP ALA VAL THR VAL VAL LEU TYR LYS SEQRES 3 A 28 LYS NH2 HET NH2 A 277 3 HETNAM NH2 AMINO GROUP FORMUL 1 NH2 H2 N HELIX 1 1 LEU A 255 PHE A 260 1 6 LINK C LYS A 276 N NH2 A 277 1555 1555 1.31 SITE 1 AC1 2 LYS A 275 LYS A 276 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