HEADER TRANSPORT PROTEIN 20-APR-10 2KWX TITLE THE V27A MUTANT OF INFLUENZA A M2 PROTON CHANNEL COMPND MOL_ID: 1; COMPND 2 MOLECULE: MATRIX PROTEIN 2; COMPND 3 CHAIN: A, B, C, D; COMPND 4 FRAGMENT: UNP RESIDUES 23-60, PROTON CONDUCTING DOMAIN; COMPND 5 SYNONYM: PROTON CHANNEL PROTEIN M2; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: INFLUENZA A VIRUS; SOURCE 3 ORGANISM_TAXID: 381517; SOURCE 4 STRAIN: A/UDORN/307/1972 H3N2; SOURCE 5 GENE: M; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PMMHB KEYWDS M2 PROTON CHANNEL, INFLUENZA A, V27A RESISTANT MUTANT, TRANSPORT KEYWDS 2 PROTEIN EXPDTA SOLUTION NMR NUMMDL 15 AUTHOR R.M.PIELAK,J.J.CHOU REVDAT 4 06-OCT-21 2KWX 1 REMARK SEQADV REVDAT 3 27-OCT-10 2KWX 1 JRNL REVDAT 2 13-OCT-10 2KWX 1 JRNL REVDAT 1 29-SEP-10 2KWX 0 JRNL AUTH R.M.PIELAK,J.J.CHOU JRNL TITL SOLUTION NMR STRUCTURE OF THE V27A DRUG RESISTANT MUTANT OF JRNL TITL 2 INFLUENZA A M2 CHANNEL. JRNL REF BIOCHEM.BIOPHYS.RES.COMMUN. V. 401 58 2010 JRNL REFN ISSN 0006-291X JRNL PMID 20833142 JRNL DOI 10.1016/J.BBRC.2010.09.008 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR NIH 2.24, X-PLOR NIH 2.24 REMARK 3 AUTHORS : SCHWIETERS, KUSZEWSKI, TJANDRA AND CLORE (X-PLOR REMARK 3 NIH), SCHWIETERS, KUSZEWSKI, TJANDRA AND CLORE (X- REMARK 3 PLOR NIH) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: STANDARD SIMULATED ANNEALING PROTOCOL REMARK 3 WITH COOLING FROM 1000K TO 20K, 6.7 PS OF VERLET DYNAMICS AT REMARK 3 EACH TEMPERATURE STEP, USING A TIME STEP OF 3 FS REMARK 4 REMARK 4 2KWX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-APR-10. REMARK 100 THE DEPOSITION ID IS D_1000101675. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 30; 30 REMARK 210 PH : 7.5; 7.5 REMARK 210 IONIC STRENGTH : ~0.1; ~0.1 REMARK 210 PRESSURE : AMBIENT; AMBIENT REMARK 210 SAMPLE CONTENTS : 0.75 MM [U-99% 13C; U-99% 15N] REMARK 210 INFLUENZA M2 V27A MUTANT-1, 95% REMARK 210 H2O/5% D2O; 0.70 MM [U-100% 13C; REMARK 210 U-100% 15N; U-80% 2H] INFLUENZA REMARK 210 M2 V27A MUTANT-2, 95% H2O/5% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N TROSY; 3D TROSY HNCO; REMARK 210 3D TROSY HNCA; 3D TROSY HN(CO)CA; REMARK 210 3D TROSY HNCACB; 3D 1H-15N REMARK 210 NOESY TROSY; 3D 1H-13C NOESY REMARK 210 TROSY; 2D 1H-13C HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NULL REMARK 210 METHOD USED : SIMULATED ANNEALING, MOLECULAR REMARK 210 DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 75 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 15 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (RES=RESIDUE NAME; REMARK 470 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 470 MODELS 1-15 REMARK 470 RES CSSEQI ATOMS REMARK 470 LYS A 60 O REMARK 470 LYS B 60 O REMARK 470 LYS C 60 O REMARK 470 LYS D 60 O 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 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 ASP A 24 74.39 -163.18 REMARK 500 1 LEU A 46 -131.30 -81.73 REMARK 500 1 PHE A 47 101.31 62.47 REMARK 500 1 ASP B 24 70.16 -159.86 REMARK 500 1 PHE B 47 -54.29 -162.53 REMARK 500 1 PHE B 48 -60.31 -170.92 REMARK 500 1 LYS B 49 18.46 -147.87 REMARK 500 1 ASP C 24 72.29 -157.71 REMARK 500 1 LEU C 46 -140.42 -84.08 REMARK 500 1 PHE C 47 -164.22 78.63 REMARK 500 1 PHE C 48 81.46 -57.03 REMARK 500 1 LYS C 49 53.34 33.27 REMARK 500 1 LEU C 59 31.26 -93.21 REMARK 500 1 ASP D 24 63.11 -166.06 REMARK 500 1 PHE D 47 -45.41 -174.19 REMARK 500 1 PHE D 48 67.96 -172.92 REMARK 500 2 ASP A 24 70.14 -167.77 REMARK 500 2 PHE A 47 -33.92 -173.83 REMARK 500 2 PHE A 48 45.49 -172.52 REMARK 500 2 LYS A 49 40.69 73.28 REMARK 500 2 PHE B 47 -55.02 -175.04 REMARK 500 2 PHE B 48 71.74 -169.31 REMARK 500 2 LEU B 59 66.68 -104.64 REMARK 500 2 PHE C 47 -39.83 -173.81 REMARK 500 2 PHE C 48 -67.98 -169.51 REMARK 500 2 LYS C 49 25.63 -150.44 REMARK 500 2 LEU C 59 66.87 -105.42 REMARK 500 2 ASP D 24 83.70 -162.23 REMARK 500 2 PHE D 47 83.90 -174.80 REMARK 500 2 PHE D 48 71.61 54.97 REMARK 500 2 LEU D 59 39.07 -92.96 REMARK 500 3 ASP A 24 70.86 51.31 REMARK 500 3 LEU A 46 -77.05 -83.18 REMARK 500 3 PHE A 47 -88.25 46.69 REMARK 500 3 PHE A 48 87.33 -164.39 REMARK 500 3 ASP B 24 79.40 -160.83 REMARK 500 3 LEU B 46 -120.49 -113.74 REMARK 500 3 PHE B 47 -35.29 68.06 REMARK 500 3 PHE B 48 42.97 -169.06 REMARK 500 3 LEU B 59 -73.76 -79.85 REMARK 500 3 ASP C 24 56.53 -177.54 REMARK 500 3 LEU C 46 -164.34 -108.17 REMARK 500 3 PHE C 47 -11.12 74.42 REMARK 500 3 LYS C 49 42.38 -72.52 REMARK 500 3 LEU C 59 57.21 -90.67 REMARK 500 3 ASP D 24 90.06 48.43 REMARK 500 3 PHE D 47 91.89 -173.67 REMARK 500 3 LEU D 59 88.00 -152.86 REMARK 500 4 ASP A 24 73.38 46.01 REMARK 500 4 PHE A 47 -43.61 -173.95 REMARK 500 REMARK 500 THIS ENTRY HAS 229 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2RLF RELATED DB: PDB REMARK 900 INFLUENZA A WILDTYPE M2 CHANNEL REMARK 900 RELATED ID: 2KIH RELATED DB: PDB REMARK 900 S31N MUTANT OF M2 PROTON CHANNEL DBREF 2KWX A 23 60 UNP P63231 M2_I72A2 23 60 DBREF 2KWX B 23 60 UNP P63231 M2_I72A2 23 60 DBREF 2KWX C 23 60 UNP P63231 M2_I72A2 23 60 DBREF 2KWX D 23 60 UNP P63231 M2_I72A2 23 60 SEQADV 2KWX ALA A 27 UNP P63231 VAL 27 ENGINEERED MUTATION SEQADV 2KWX SER A 50 UNP P63231 CYS 50 ENGINEERED MUTATION SEQADV 2KWX ALA B 27 UNP P63231 VAL 27 ENGINEERED MUTATION SEQADV 2KWX SER B 50 UNP P63231 CYS 50 ENGINEERED MUTATION SEQADV 2KWX ALA C 27 UNP P63231 VAL 27 ENGINEERED MUTATION SEQADV 2KWX SER C 50 UNP P63231 CYS 50 ENGINEERED MUTATION SEQADV 2KWX ALA D 27 UNP P63231 VAL 27 ENGINEERED MUTATION SEQADV 2KWX SER D 50 UNP P63231 CYS 50 ENGINEERED MUTATION SEQRES 1 A 38 SER ASP PRO LEU ALA VAL ALA ALA SER ILE ILE GLY ILE SEQRES 2 A 38 LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU PHE PHE SEQRES 3 A 38 LYS SER ILE TYR ARG PHE PHE GLU HIS GLY LEU LYS SEQRES 1 B 38 SER ASP PRO LEU ALA VAL ALA ALA SER ILE ILE GLY ILE SEQRES 2 B 38 LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU PHE PHE SEQRES 3 B 38 LYS SER ILE TYR ARG PHE PHE GLU HIS GLY LEU LYS SEQRES 1 C 38 SER ASP PRO LEU ALA VAL ALA ALA SER ILE ILE GLY ILE SEQRES 2 C 38 LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU PHE PHE SEQRES 3 C 38 LYS SER ILE TYR ARG PHE PHE GLU HIS GLY LEU LYS SEQRES 1 D 38 SER ASP PRO LEU ALA VAL ALA ALA SER ILE ILE GLY ILE SEQRES 2 D 38 LEU HIS LEU ILE LEU TRP ILE LEU ASP ARG LEU PHE PHE SEQRES 3 D 38 LYS SER ILE TYR ARG PHE PHE GLU HIS GLY LEU LYS HELIX 1 1 ASP A 24 LEU A 46 1 23 HELIX 2 2 LYS A 49 LEU A 59 1 11 HELIX 3 3 ASP B 24 LEU B 46 1 23 HELIX 4 4 LYS B 49 LEU B 59 1 11 HELIX 5 5 ASP C 24 LEU C 46 1 23 HELIX 6 6 LYS C 49 LEU C 59 1 11 HELIX 7 7 ASP D 24 LEU D 46 1 23 HELIX 8 8 LYS D 49 LYS D 60 1 12 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