HEADER TOXIN 14-JUN-18 6DST TITLE RECOMBINANT MELITTIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: MELITTIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 44-69; COMPND 5 SYNONYM: ALLERGEN API M 3,ALLERGEN API M III; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: APIS MELLIFERA; SOURCE 3 ORGANISM_COMMON: HONEYBEE; SOURCE 4 ORGANISM_TAXID: 7460; SOURCE 5 GENE: MELT; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HEMOLYTIC, ANTIBACTERIAL, ALPHA-HELICAL PEPTIDE, BEE VENOM, TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR L.M.RAMIREZ,J.PANDE,A.SHEKHTMAN REVDAT 4 14-JUN-23 6DST 1 REMARK REVDAT 3 18-DEC-19 6DST 1 REMARK REVDAT 2 01-MAY-19 6DST 1 JRNL REVDAT 1 10-APR-19 6DST 0 JRNL AUTH L.S.RAMIREZ,J.PANDE,A.SHEKHTMAN JRNL TITL HELICAL STRUCTURE OF RECOMBINANT MELITTIN. JRNL REF J PHYS CHEM B V. 123 356 2019 JRNL REFN ISSN 1520-5207 JRNL PMID 30570258 JRNL DOI 10.1021/ACS.JPCB.8B08424 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH L.RAMIREZ,A.SHEKHTMAN,J.PANDE REMARK 1 TITL NUCLEAR MAGNETIC RESONANCE-BASED STRUCTURAL CHARACTERIZATION REMARK 1 TITL 2 AND BACKBONE DYNAMICS OF RECOMBINANT BEE VENOM MELITTIN. REMARK 1 REF BIOCHEMISTRY V. 57 2775 2018 REMARK 1 REFN ISSN 1520-4995 REMARK 1 PMID 29668274 REMARK 1 DOI 10.1021/ACS.BIOCHEM.8B00156 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA 3.98 REMARK 3 AUTHORS : GUNTERT, MUMENTHALER AND WUTHRICH REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: STRUCTURES ARE BASED ON 363 NOE-DERIVED REMARK 3 DISTANCE CONSTRAINTS, 252 DIHEDRAL ANGLE RESTRAINTS, AND 24 REMARK 3 LOWER-LIMIT DISTANCE CONSTRAINTS REMARK 4 REMARK 4 6DST COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-JUN-18. REMARK 100 THE DEPOSITION ID IS D_1000234008. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298; 285 REMARK 210 PH : 7; 7 REMARK 210 IONIC STRENGTH : 10; 10 REMARK 210 PRESSURE : 1 ATM; 1 ATM REMARK 210 SAMPLE CONTENTS : 0.05 MM [U-95% 13C; U-95% 15N] REMARK 210 MELITTIN, 10 % V/V [U-2H] REMARK 210 GLYCEROL, 10 MM POTASSIUM REMARK 210 PHOSPHATE BUFFER, REMARK 210 TRIFLUOROETHANOL/WATER; 0.050 MM REMARK 210 [U-95% 13C; U-95% 15N] MELITTIN, REMARK 210 10 MM POTASSIUM PHOSPHATE BUFFER, REMARK 210 TRIFLUOROETHANOL/WATER REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D 1H-15N NOESY; 3D 1H-13C REMARK 210 NOESY; 3D HCCH-TOCSY; 3D HNCA; REMARK 210 3D HNCACB; 2D 1H-15N HSQC; 2D 1H- REMARK 210 13C HSQC ALIPHATIC REMARK 210 SPECTROMETER FIELD STRENGTH : 700 MHZ; 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE II; AVANCE III REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CARA 1.9.1, CYANA 3.98 REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 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 ARG A 24 -68.06 -92.10 REMARK 500 2 ARG A 24 -68.08 -105.85 REMARK 500 2 GLN A 25 -177.27 -60.31 REMARK 500 3 ARG A 24 -68.08 -103.04 REMARK 500 4 ARG A 24 -74.73 -129.42 REMARK 500 5 ARG A 24 -67.81 -108.67 REMARK 500 6 ARG A 24 -68.16 -105.48 REMARK 500 6 GLN A 25 177.40 -58.27 REMARK 500 8 ARG A 24 -74.62 -130.84 REMARK 500 9 ARG A 24 -68.07 -96.96 REMARK 500 10 ARG A 24 -68.14 -91.90 REMARK 500 11 ARG A 24 -68.08 -98.01 REMARK 500 13 ARG A 24 -68.09 -107.27 REMARK 500 14 ARG A 24 -65.64 -120.10 REMARK 500 14 GLN A 25 -176.36 -59.79 REMARK 500 15 ARG A 24 -74.54 -123.99 REMARK 500 16 ARG A 24 -74.60 -123.55 REMARK 500 18 ARG A 24 -68.08 -99.40 REMARK 500 19 GLN A 25 131.79 -178.87 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 30481 RELATED DB: BMRB REMARK 900 RECOMBINANT MELITTIN DBREF 6DST A 1 26 UNP P01501 MEL_APIME 44 69 SEQRES 1 A 26 GLY ILE GLY ALA VAL LEU LYS VAL LEU THR THR GLY LEU SEQRES 2 A 26 PRO ALA LEU ILE SER TRP ILE LYS ARG LYS ARG GLN GLN HELIX 1 AA1 GLY A 3 GLN A 25 1 23 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