HEADER TOXIN 12-FEB-13 2M4Z TITLE ANALYSIS OF THE STRUCTURAL AND MOLECULAR BASIS OF VOLTAGE-SENSITIVE TITLE 2 SODIUM CHANNEL INHIBITION BY THE SPIDER TOXIN, HUWENTOXIN-IV (-TRTX- TITLE 3 HH2A). COMPND MOL_ID: 1; COMPND 2 MOLECULE: MU-THERAPHOTOXIN-HH2A; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 53-87; COMPND 5 SYNONYM: MU-TRTX-HH2A, HUWENTOXIN-4, HUWENTOXIN-IV, HWTX-IV, COMPND 6 HUWENTOXIN-IVA, HWTX-IVA, HUWENTOXIN-IVB, HWTX-IVB, HUWENTOXIN-IVC, COMPND 7 HWTX-IVC; COMPND 8 ENGINEERED: YES; COMPND 9 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HAPLOPELMA SCHMIDTI; SOURCE 3 ORGANISM_COMMON: CHINESE BIRD SPIDER,CHINESE GOLDEN EARTH TIGER; SOURCE 4 ORGANISM_TAXID: 29017; SOURCE 5 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 9606; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PCDNA KEYWDS VENOM TOXIN, TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR A.GIBBS REVDAT 3 14-JUN-23 2M4Z 1 REMARK SEQADV REVDAT 2 28-AUG-13 2M4Z 1 JRNL REVDAT 1 19-JUN-13 2M4Z 0 JRNL AUTH N.A.MINASSIAN,A.GIBBS,A.Y.SHIH,Y.LIU,R.A.NEFF,S.W.SUTTON, JRNL AUTH 2 T.MIRZADEGAN,J.CONNOR,R.FELLOWS,M.HUSOVSKY,S.NELSON, JRNL AUTH 3 M.J.HUNTER,M.FLINSPACH,A.D.WICKENDEN JRNL TITL ANALYSIS OF THE STRUCTURAL AND MOLECULAR BASIS OF JRNL TITL 2 VOLTAGE-SENSITIVE SODIUM CHANNEL INHIBITION BY THE SPIDER JRNL TITL 3 TOXIN HUWENTOXIN-IV ( MU-TRTX-HH2A). JRNL REF J.BIOL.CHEM. V. 288 22707 2013 JRNL REFN ISSN 0021-9258 JRNL PMID 23760503 JRNL DOI 10.1074/JBC.M113.461392 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA, CYANA REMARK 3 AUTHORS : GUNTERT, MUMENTHALER AND WUTHRICH (CYANA), REMARK 3 GUNTERT, MUMENTHALER AND WUTHRICH (CYANA) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2M4Z COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-FEB-13. REMARK 100 THE DEPOSITION ID IS D_1000103215. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 6.7 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 2 MM ENTITY, 20 MM SODIUM REMARK 210 PHOSPHATE, 150 UM SODIUM AZIDE, REMARK 210 100 UM [U-2H] EDTA, 90% H2O/10% REMARK 210 D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 2D 1H-1H TOCSY; REMARK 210 2D 1H-1H NOESY; 2D 1H-13C HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 950 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 REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 1000 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: 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 LEU A 3 O CYS A 31 2.08 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 PHE A 6 29.75 106.82 REMARK 500 1 ASN A 13 93.26 -63.99 REMARK 500 1 ASP A 14 108.38 -54.22 REMARK 500 1 GLN A 15 -66.31 -102.84 REMARK 500 1 CYS A 16 150.06 -41.05 REMARK 500 1 CYS A 17 -174.63 -68.42 REMARK 500 1 LYS A 18 -78.09 -96.48 REMARK 500 1 LEU A 22 105.10 -39.39 REMARK 500 1 THR A 28 174.53 -52.32 REMARK 500 2 PHE A 6 30.99 107.05 REMARK 500 2 ASN A 13 92.07 -67.40 REMARK 500 2 ASP A 14 104.36 -54.12 REMARK 500 2 GLN A 15 -64.96 -95.73 REMARK 500 2 CYS A 17 -174.64 -66.40 REMARK 500 2 LYS A 18 -83.72 -90.62 REMARK 500 2 LEU A 22 109.77 -39.79 REMARK 500 2 THR A 28 173.61 -52.39 REMARK 500 3 PHE A 6 28.48 108.10 REMARK 500 3 ASN A 13 91.85 -64.69 REMARK 500 3 GLN A 15 -64.92 -101.89 REMARK 500 3 CYS A 16 150.10 -40.65 REMARK 500 3 CYS A 17 -174.01 -68.85 REMARK 500 3 LYS A 18 -77.32 -97.84 REMARK 500 3 LEU A 22 105.78 -39.56 REMARK 500 3 THR A 28 173.60 -50.52 REMARK 500 4 PHE A 6 30.33 107.59 REMARK 500 4 ASN A 13 92.80 -63.88 REMARK 500 4 GLN A 15 -66.24 -103.79 REMARK 500 4 CYS A 16 150.14 -40.82 REMARK 500 4 CYS A 17 -173.97 -69.36 REMARK 500 4 LYS A 18 -77.80 -97.00 REMARK 500 4 LEU A 22 106.20 -39.25 REMARK 500 4 THR A 28 173.53 -51.82 REMARK 500 5 PHE A 6 27.69 107.64 REMARK 500 5 ASN A 13 92.14 -64.98 REMARK 500 5 ASP A 14 102.21 -54.69 REMARK 500 5 GLN A 15 -66.87 -92.04 REMARK 500 5 CYS A 17 -175.86 -66.88 REMARK 500 5 LYS A 18 -87.14 -88.80 REMARK 500 5 LEU A 22 108.52 -43.76 REMARK 500 5 THR A 28 175.58 -53.08 REMARK 500 6 PHE A 6 30.97 107.42 REMARK 500 6 ASN A 13 92.21 -66.98 REMARK 500 6 ASP A 14 109.40 -53.35 REMARK 500 6 GLN A 15 -65.59 -102.42 REMARK 500 6 CYS A 16 150.04 -40.31 REMARK 500 6 LYS A 18 -78.91 -96.02 REMARK 500 6 LEU A 22 106.53 -39.32 REMARK 500 6 THR A 28 172.18 -51.23 REMARK 500 7 PHE A 6 29.31 107.66 REMARK 500 REMARK 500 THIS ENTRY HAS 164 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 19030 RELATED DB: BMRB REMARK 900 RELATED ID: 2M4X RELATED DB: PDB REMARK 900 RELATED ID: 2M50 RELATED DB: PDB DBREF 2M4Z A 1 35 UNP P83303 TXH4_HAPSC 53 87 SEQADV 2M4Z ALA A 30 UNP P83303 TRP 82 ENGINEERED MUTATION SEQRES 1 A 35 GLU CYS LEU GLU ILE PHE LYS ALA CYS ASN PRO SER ASN SEQRES 2 A 35 ASP GLN CYS CYS LYS SER SER LYS LEU VAL CYS SER ARG SEQRES 3 A 35 LYS THR ARG ALA CYS LYS TYR GLN ILE SHEET 1 A 2 ILE A 5 ALA A 8 0 SHEET 2 A 2 ALA A 30 LYS A 32 -1 O CYS A 31 N LYS A 7 SSBOND 1 CYS A 2 CYS A 17 1555 1555 2.00 SSBOND 2 CYS A 9 CYS A 24 1555 1555 2.00 SSBOND 3 CYS A 16 CYS A 31 1555 1555 2.01 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