HEADER TOXIN 07-SEP-14 2MUB TITLE SOLUTION STRUCTURE OF THE ANALGESIC SEA ANEMONE PEPTIDE APETX2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: TOXIN APETX2; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: ANTHOPLEURA ELEGANTISSIMA; SOURCE 4 ORGANISM_COMMON: SEA ANEMONE; SOURCE 5 ORGANISM_TAXID: 6110 KEYWDS DISULFIDE-RICH TOXIN, DEFENSIN FOLD, TOXIN, ASIC3 BLOCKER EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR M.MOBLI,G.F.KING,K.J.ROSENGREN,J.E.JENSEN REVDAT 3 14-JUN-23 2MUB 1 REMARK REVDAT 2 01-JUN-16 2MUB 1 AUTHOR REVDAT 1 24-DEC-14 2MUB 0 JRNL AUTH J.E.JENSEN,B.CRISTOFORI-ARMSTRONG,R.ANANGI,K.J.ROSENGREN, JRNL AUTH 2 C.H.LAU,M.MOBLI,A.BRUST,P.F.ALEWOOD,G.F.KING,L.D.RASH JRNL TITL UNDERSTANDING THE MOLECULAR BASIS OF TOXIN PROMISCUITY: THE JRNL TITL 2 ANALGESIC SEA ANEMONE PEPTIDE APETX2 INTERACTS WITH JRNL TITL 3 ACID-SENSING ION CHANNEL 3 AND HERG CHANNELS VIA OVERLAPPING JRNL TITL 4 PHARMACOPHORES. JRNL REF J.MED.CHEM. V. 57 9195 2014 JRNL REFN ISSN 0022-2623 JRNL PMID 25337890 JRNL DOI 10.1021/JM501400P REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH B.CHAGOT,P.ESCOUBAS,S.DIOCHOT,C.BERNARD,M.LAZDUNSKI,H.DARBON REMARK 1 TITL SOLUTION STRUCTURE OF APETX2, A SPECIFIC PEPTIDE INHIBITOR REMARK 1 TITL 2 OF ASIC3 PROTON-GATED CHANNELS. REMARK 1 REF PROTEIN SCI. V. 14 2003 2005 REMARK 1 REFN ISSN 0961-8368 REMARK 1 PMID 15987885 REMARK 1 DOI 10.1110/PS.051378905 REMARK 1 REFERENCE 2 REMARK 1 AUTH J.E.JENSEN,T.DUREK,P.F.ALEWOOD,D.J.ADAMS,G.F.KING,L.D.RASH REMARK 1 TITL CHEMICAL SYNTHESIS AND FOLDING OF APETX2, A POTENT AND REMARK 1 TITL 2 SELECTIVE INHIBITOR OF ACID SENSING ION CHANNEL 3. REMARK 1 REF TOXICON V. 54 56 2009 REMARK 1 REFN ISSN 0041-0101 REMARK 1 PMID 19306891 REMARK 1 DOI 10.1016/J.TOXICON.2009.03.014 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA 3.0, CYANA 3.0 REMARK 3 AUTHORS : GUNTERT, MUMENTHALER AND WUTHRICH (CYANA), REMARK 3 GUNTERT, MUMENTHALER AND WUTHRICH (CYANA) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: AUTOMATED NOE ASSIGNMENTS BY CYANA REMARK 4 REMARK 4 2MUB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-SEP-14. REMARK 100 THE DEPOSITION ID IS D_1000104054. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 6.0 REMARK 210 IONIC STRENGTH : 20 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 300 UM APETX2, 20 MM POTASSIUM REMARK 210 PHOSPHATE, 95% H2O/5% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 2D 1H-13C HSQC; REMARK 210 2D 1H-1H COSY; 2D 1H-1H NOESY; REMARK 210 2D 1H-1H TOCSY REMARK 210 SPECTROMETER FIELD STRENGTH : 900 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : TALOS +, TOPSPIN 3.1, REMARK 210 ROWLAND_NMR_TOOLKIT 3 REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : BEST MOLPROBITY SCORE 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 5 ARG A 17 78.58 -150.28 REMARK 500 7 ARG A 17 77.31 -150.06 REMARK 500 8 ARG A 17 79.91 -150.24 REMARK 500 8 PRO A 21 -173.85 -69.72 REMARK 500 9 ARG A 17 77.64 -150.06 REMARK 500 12 ARG A 17 78.47 -150.35 REMARK 500 14 ARG A 17 77.53 -150.09 REMARK 500 15 ARG A 17 77.44 -150.09 REMARK 500 17 ARG A 17 80.57 -150.30 REMARK 500 17 PRO A 21 -173.99 -69.80 REMARK 500 17 THR A 27 -46.92 -132.46 REMARK 500 18 ARG A 17 80.02 -150.41 REMARK 500 19 ARG A 17 77.18 -150.14 REMARK 500 20 ARG A 17 79.03 -150.25 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1WXN RELATED DB: PDB REMARK 900 RELATED ID: 25205 RELATED DB: BMRB DBREF 2MUB A 1 42 UNP P61542 APT2_ANTEL 1 42 SEQRES 1 A 42 GLY THR ALA CYS SER CYS GLY ASN SER LYS GLY ILE TYR SEQRES 2 A 42 TRP PHE TYR ARG PRO SER CYS PRO THR ASP ARG GLY TYR SEQRES 3 A 42 THR GLY SER CYS ARG TYR PHE LEU GLY THR CYS CYS THR SEQRES 4 A 42 PRO ALA ASP SHEET 1 A 4 THR A 2 SER A 5 0 SHEET 2 A 4 LYS A 10 TRP A 14 -1 O GLY A 11 N CYS A 4 SHEET 3 A 4 THR A 36 THR A 39 -1 O THR A 36 N TRP A 14 SHEET 4 A 4 GLY A 28 ARG A 31 -1 N GLY A 28 O THR A 39 SSBOND 1 CYS A 4 CYS A 37 1555 1555 1.99 SSBOND 2 CYS A 6 CYS A 30 1555 1555 2.09 SSBOND 3 CYS A 20 CYS A 38 1555 1555 2.00 CISPEP 1 THR A 39 PRO A 40 1 -0.03 CISPEP 2 THR A 39 PRO A 40 2 -0.09 CISPEP 3 THR A 39 PRO A 40 3 -0.06 CISPEP 4 THR A 39 PRO A 40 4 -0.04 CISPEP 5 THR A 39 PRO A 40 5 -0.04 CISPEP 6 THR A 39 PRO A 40 6 0.02 CISPEP 7 THR A 39 PRO A 40 7 -0.14 CISPEP 8 THR A 39 PRO A 40 8 -0.11 CISPEP 9 THR A 39 PRO A 40 9 -0.03 CISPEP 10 THR A 39 PRO A 40 10 -0.02 CISPEP 11 THR A 39 PRO A 40 11 -0.04 CISPEP 12 THR A 39 PRO A 40 12 -0.11 CISPEP 13 THR A 39 PRO A 40 13 -0.03 CISPEP 14 THR A 39 PRO A 40 14 -0.06 CISPEP 15 THR A 39 PRO A 40 15 -0.05 CISPEP 16 THR A 39 PRO A 40 16 -0.03 CISPEP 17 THR A 39 PRO A 40 17 -0.02 CISPEP 18 THR A 39 PRO A 40 18 -0.05 CISPEP 19 THR A 39 PRO A 40 19 -0.07 CISPEP 20 THR A 39 PRO A 40 20 0.04 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