HEADER ANTIBIOTIC 01-MAY-04 1T52 TITLE ANTIBIOTIC ACTIVITY AND STRUCTURAL ANALYSIS OF A SCORPION-DERIVED TITLE 2 ANTIMICROBIAL PEPTIDE ISCT AND ITS ANALOGS COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOTOXIC LINEAR PEPTIDE ISCT; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ISCT; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: OPISTHACANTHUS MADAGASCARIENSIS; SOURCE 3 ORGANISM_TAXID: 167108; SOURCE 4 TISSUE: VENOM; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS COIL-HELIX, ANTIBIOTIC EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR K.LEE,S.Y.SHIN,K.KIM,S.S.LIM,K.S.HAHM,Y.KIM REVDAT 4 16-OCT-24 1T52 1 REMARK REVDAT 3 10-NOV-21 1T52 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1T52 1 VERSN REVDAT 1 19-OCT-04 1T52 0 JRNL AUTH K.LEE,S.Y.SHIN,K.KIM,S.S.LIM,K.S.HAHM,Y.KIM JRNL TITL ANTIBIOTIC ACTIVITY AND STRUCTURAL ANALYSIS OF THE JRNL TITL 2 SCORPION-DERIVED ANTIMICROBIAL PEPTIDE ISCT AND ITS ANALOGS JRNL REF BIOCHEM.BIOPHYS.RES.COMMUN. V. 323 712 2004 JRNL REFN ISSN 0006-291X JRNL PMID 15369808 JRNL DOI 10.1016/J.BBRC.2004.08.144 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : FELIX 2000.1, DGII 2000.1 REMARK 3 AUTHORS : HAVEL (DGII) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1T52 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 06-MAY-04. REMARK 100 THE DEPOSITION ID IS D_1000022321. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 308 REMARK 210 PH : 4.0 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 1.0MM PEPTIDE; 200MM SDS-D25 REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY; 2D TOCSY; DQF-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 400 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : X-PLOR 3.851 REMARK 210 METHOD USED : DISTANCE GEOMETRY, SIMULATED REMARK 210 ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 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: THIS STRUCTURE WAS DETERMINED USING STANDARD 2D REMARK 210 HOMONUCLEAR TECHNIQUES. 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 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NH2 A 14 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1T51 RELATED DB: PDB REMARK 900 THE SAME PROTEIN OF WILD TYPE REMARK 900 RELATED ID: 1T54 RELATED DB: PDB REMARK 900 THE SAME PROTEIN WITH W6A MUTANT REMARK 900 RELATED ID: 1T55 RELATED DB: PDB REMARK 900 THE SAME PROTEIN WITH E7K, G8P AND S11K MUTANT DBREF 1T52 A 1 13 UNP Q8MMJ7 TXT1_OPIMA 24 36 SEQADV 1T52 LYS A 7 UNP Q8MMJ7 GLU 30 ENGINEERED MUTATION SEQRES 1 A 14 ILE LEU GLY LYS ILE TRP LYS GLY ILE LYS SER LEU PHE SEQRES 2 A 14 NH2 HET NH2 A 14 3 HETNAM NH2 AMINO GROUP FORMUL 1 NH2 H2 N HELIX 1 1 ILE A 1 PHE A 13 1 13 LINK C PHE A 13 N NH2 A 14 1555 1555 1.31 SITE 1 AC1 2 LEU A 12 PHE A 13 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