HEADER TOXIN 23-JUN-21 7R6P TITLE SOLUTION STRUCTURE OF PEPTIDE TOXIN MIITX2-MG1A FROM THE VENOM OF THE TITLE 2 AUSTRALIAN GIANT RED BULL ANT MYRMECIA GULOSA COMPND MOL_ID: 1; COMPND 2 MOLECULE: U-MYRMECIITOXIN(02)-MG1A; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MIITX(02)-MG1A,U-MIITX(02)-MG1A; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MYRMECIA GULOSA; SOURCE 3 ORGANISM_COMMON: RED BULLDOG ANT; SOURCE 4 ORGANISM_TAXID: 36170; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS MOLECULAR MIMICRY, CHEMICAL MIMICRY, EPIDERMAL GROWTH FACTOR KEYWDS 2 RECEPTOR, HORMONE, CONVERGENT EVOLUTION, VENOM TOXIN, TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR Y.K.CHIN,D.EAGLE,K.BANKALA,S.D.ROBINSON REVDAT 3 14-JUN-23 7R6P 1 REMARK REVDAT 2 08-MAR-23 7R6P 1 JRNL REVDAT 1 09-FEB-22 7R6P 0 JRNL AUTH D.A.EAGLES,N.J.SAEZ,B.KRISHNARJUNA,J.J.BRADFORD,Y.K.CHIN, JRNL AUTH 2 H.STAROBOVA,A.MUELLER,M.E.REICHELT,E.A.B.UNDHEIM,R.S.NORTON, JRNL AUTH 3 W.G.THOMAS,I.VETTER,G.F.KING,S.D.ROBINSON JRNL TITL A PEPTIDE TOXIN IN ANT VENOM MIMICS VERTEBRATE EGF-LIKE JRNL TITL 2 HORMONES TO CAUSE LONG-LASTING HYPERSENSITIVITY IN MAMMALS. JRNL REF PROC.NATL.ACAD.SCI.USA V. 119 2022 JRNL REFN ESSN 1091-6490 JRNL PMID 35131940 JRNL DOI 10.1073/PNAS.2112630119 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA REMARK 3 AUTHORS : GUNTERT, MUMENTHALER AND WUTHRICH REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7R6P COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-JUN-21. REMARK 100 THE DEPOSITION ID IS D_1000257670. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 293 REMARK 210 PH : 6.5 REMARK 210 IONIC STRENGTH : 50 REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 350 UM [U-100% 13C; U-100% 15N] REMARK 210 MIITX2-MG1A, 50 MM MES, 95% H2O/ REMARK 210 5% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 3D CBCA(CO)NH; REMARK 210 3D HNCACB; 3D HCCH-COSY; 2D 1H- REMARK 210 13C HSQC; 3D 1H-13C NOESY REMARK 210 ALIPHATIC; 3D 1H-13C NOESY REMARK 210 AROMATIC; 3D 1H-15N NOESY; 3D REMARK 210 HNCO REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ; 900 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE III REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : TOPSPIN V.3.2, CCPNMR ANALYSIS, REMARK 210 TALOS-N, CYANA REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 30 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH BEST REMARK 210 STEREOCHEMICAL PROPERTIES 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 ALA A 33 118.76 -164.44 REMARK 500 1 HIS A 50 -44.55 -130.36 REMARK 500 2 ASP A 49 107.48 -59.11 REMARK 500 4 HIS A 20 52.57 -119.40 REMARK 500 4 ALA A 33 118.63 -167.97 REMARK 500 5 CYS A 10 178.55 -56.46 REMARK 500 6 CYS A 10 171.00 -52.34 REMARK 500 19 ASP A 49 106.93 -59.83 REMARK 500 20 ASP A 49 107.31 -56.84 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 30928 RELATED DB: BMRB REMARK 900 SOLUTION STRUCTURE OF PEPTIDE TOXIN MIITX2-MG1A FROM THE VENOM OF REMARK 900 THE AUSTRALIAN GIANT RED BULL ANT MYRMECIA GULOSA DBREF 7R6P A 2 51 UNP P0DSL4 TX21A_MYRGU 31 80 SEQADV 7R6P GLY A 1 UNP P0DSL4 EXPRESSION TAG SEQRES 1 A 51 GLY ASP ILE SER ASP TYR GLY ASP PRO CYS SER ASP ASP SEQRES 2 A 51 LEU LYS ASP TYR CYS ILE HIS GLY ASP CYS PHE PHE LEU SEQRES 3 A 51 LYS GLU LEU ASN GLN PRO ALA CYS ARG CYS TYR THR GLY SEQRES 4 A 51 TYR TYR GLY SER ARG CYS GLU HIS ILE ASP HIS ASN HELIX 1 AA1 SER A 11 ASP A 16 1 6 SHEET 1 AA1 2 GLY A 21 PHE A 24 0 SHEET 2 AA1 2 CYS A 34 TYR A 37 -1 O ARG A 35 N ASP A 22 SHEET 1 AA2 2 TYR A 40 TYR A 41 0 SHEET 2 AA2 2 HIS A 47 ILE A 48 -1 O HIS A 47 N TYR A 41 SSBOND 1 CYS A 10 CYS A 23 1555 1555 2.12 SSBOND 2 CYS A 18 CYS A 34 1555 1555 2.08 SSBOND 3 CYS A 36 CYS A 45 1555 1555 2.12 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