HEADER DE NOVO PROTEIN, LIPID BINDING PROTEIN 24-SEP-06 2IGR TITLE SOLUTION STRUCTURE OF CB1A, A NOVEL ANTICANCER PEPTIDE DERIVED FROM TITLE 2 NATURAL ANTIMICROBIAL PEPTIDE CECROPIN B COMPND MOL_ID: 1; COMPND 2 MOLECULE: ANTICANCER PEPTIDE CB1A; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: HYALOPHORA CECROPIA; SOURCE 4 ORGANISM_COMMON: CECROPIA MOTH; SOURCE 5 ORGANISM_TAXID: 7123; SOURCE 6 OTHER_DETAILS: THIS PEPTIDE WAS DESIGNED FROM CECROPIN B AND SOURCE 7 CHEMICALLY SYNTHESIZED. KEYWDS ANTICANCER PEPTIDE, CECROPIN, ANTIMICROBIAL PEPTIDE, PLOYCATIONIC KEYWDS 2 PEPTIDE, CECROPIN FINGERPRINT SEQUENCE, DE NOVO PROTEIN, LIPID KEYWDS 3 BINDING PROTEIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR J.-M.WU REVDAT 3 01-DEC-10 2IGR 1 JRNL SOURCE REMARK DBREF REVDAT 2 24-FEB-09 2IGR 1 VERSN REVDAT 1 18-NOV-06 2IGR 0 JRNL AUTH J.-M.WU,P.-S.JAN,H.-C.YU,H.-Y.HAUNG,H.-J.FANG,Y.-I.CHANG, JRNL AUTH 2 J.-W.CHENG,H.M.CHEN JRNL TITL STRUCTURE AND FUNCTION OF A CUSTOM ANTICANCER PEPTIDE, CB1A JRNL REF PEPTIDES V. 30 839 2009 JRNL REFN ISSN 0196-9781 JRNL PMID 19428759 JRNL DOI 10.1016/J.PEPTIDES.2009.02.004 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR XPLOR-NIH 2.1.09 REMARK 3 AUTHORS : BRUNGER A. T. ETALL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2IGR COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 27-SEP-06. REMARK 100 THE RCSB ID CODE IS RCSB039550. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 303 REMARK 210 PH : 4.9 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 3MM CB1A PEPTIDE; 20% D-HFP; 95% REMARK 210 H2O, 5% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY; 2D TOCSY; DQF-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 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 : DISTANCE GEOMETRY, SIMULATED REMARK 210 ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST 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: 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 PRO A 23 45.21 -79.46 REMARK 500 5 PRO A 23 46.35 -79.38 REMARK 500 14 PRO A 23 44.63 -79.17 REMARK 500 18 TRP A 2 -84.16 56.95 REMARK 500 REMARK 500 REMARK: NULL 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 34 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1D9J RELATED DB: PDB REMARK 900 CUSTOM CECROPIN REMARK 900 RELATED ID: 1D9M RELATED DB: PDB REMARK 900 CUSTOM CECROPIN REMARK 900 RELATED ID: 1D9O RELATED DB: PDB REMARK 900 CUSTOM CECROPIN REMARK 900 RELATED ID: 1D9P RELATED DB: PDB REMARK 900 CUSTOM CECROPIN REMARK 999 REMARK 999 SEQUENCE REMARK 999 IN THIS ENTRY, THE PROTEIN WAS CONSTRUCTED BY REPEATING THE REMARK 999 ORIGINAL N-TERMINAL TEN AMINO ACIDS OF CECROPIN-B, KWKVFKKIEK, REMARK 999 THREE TIMES AND RETAINING A CONSERVED HINGE SEQUENCE (ALA-GLY-PRO) REMARK 999 OF CECROPINS BETWEEN THE SECOND AND THE THIRD REPEAT. DBREF 2IGR A 1 34 PDB 2IGR 2IGR 1 34 SEQRES 1 A 34 LYS TRP LYS VAL PHE LYS LYS ILE GLU LYS LYS TRP LYS SEQRES 2 A 34 VAL PHE LYS LYS ILE GLU LYS ALA GLY PRO LYS TRP LYS SEQRES 3 A 34 VAL PHE LYS LYS ILE GLU LYS NH2 HET NH2 A 34 3 HETNAM NH2 AMINO GROUP FORMUL 1 NH2 H2 N HELIX 1 1 LYS A 3 GLY A 22 1 20 HELIX 2 2 PRO A 23 LYS A 33 1 11 LINK C LYS A 33 N NH2 A 34 1555 1555 1.31 SITE 1 AC1 2 GLU A 32 LYS A 33 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