HEADER DE NOVO PROTEIN 15-FEB-02 1L1B OBSLTE 20-JUL-04 1L1B 1VL3 TITLE DESIGN OF NEW MIMOCHROMES WITH UNIQUE TOPOLOGY COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLU-SER-GLN-LEU-HIS-SER-ASN-LYS-ARG; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THE PEPTIDE WAS CHEMICALLY SYNTHESIZED. KEYWDS ALPHA-HELIX, DESIGN, MINIATURIZED METALLOPROTEINS EXPDTA NMR, MINIMIZED AVERAGE STRUCTURE AUTHOR A.LOMBARDI,F.NASTRI,D.MARASCO,O.MAGLIO,G.DE SANCTIS, AUTHOR 2 F.SINIBALDI,R.SANTUCCI,M.COLETTA,V.PAVONE REVDAT 3 20-JUL-04 1L1B 1 OBSLTE REVDAT 2 09-DEC-03 1L1B 1 JRNL REVDAT 1 08-JUL-03 1L1B 0 JRNL AUTH A.LOMBARDI,F.NASTRI,D.MARASCO,O.MAGLIO, JRNL AUTH 2 G.DE SANCTIS,F.SINIBALDI,R.SANTUCCI,M.COLETTA, JRNL AUTH 3 V.PAVONE JRNL TITL DESIGN OF A NEW MIMOCHROME WITH UNIQUE TOPOLOGY. JRNL REF CHEMISTRY V. 9 5643 2003 JRNL REFN GE ISSN 0947-6539 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : DISCOVER REMARK 3 AUTHORS : MSI REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE STRUCTURE IS BASED ON A TOTAL REMARK 3 OF 250 NOE-DERIVED DISTANCE RESTRAINTS REMARK 4 REMARK 4 1L1B COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-FEB-2002. REMARK 100 THE RCSB ID CODE IS RCSB015549. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 5.5 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1MM CO(III)-MIMOCHROME IV; REMARK 210 70% H2O, 30% CF3CD2OD REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NOESY, 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 : NMRPIPE, DISCOVER REMARK 210 METHOD USED : MOLECULAR DYNAMIC SIMULATION REMARK 210 FOR 400 PS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : NULL REMARK 210 CONFORMERS, NUMBER SUBMITTED : NULL REMARK 210 CONFORMERS, SELECTION CRITERIA : NULL REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL 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 400 REMARK 400 COMPOUND REMARK 400 NMR SOLUTION STRUCTURE OF DIAMAGNETIC CO(III) REMARK 400 MIMOCHROME IV. THE CO(III) COMPLEX CONTAINS TWO REMARK 400 IDENTICAL N- AND C- PROTECTED HELICAL PEPTIDES REMARK 400 (NINE RESIDUES) LINKED TO A DEUTEROPORPHYRIN IX REMARK 400 VIA AN AMIDE BOND BETWEEN THE PORPHYRIN PROPIONYL REMARK 400 GROUPS AND THE SIDECHAINS OF TWO LYS RESIDUES. REMARK 400 EACH PEPTIDE BEARS A HIS RESIDUE IN THE CENTRAL REMARK 400 POSITION WHICH ACTS AS AN AXIAL REMARK 400 LIGAND TO THE CENTRAL COBALT ION. 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 M RES CSSEQI PSI PHI REMARK 500 LYS A 8 -69.04 61.99 REMARK 500 ARG B 9 -56.66 58.40 SEQRES 1 A 11 ACE GLU SER GLN LEU HIS SER ASN LYS ARG NH2 SEQRES 1 B 11 ACE GLU SER GLN LEU HIS SER ASN LYS ARG NH2 HET ACE A 0 6 HET NH2 A 10 3 HET ACE B 0 6 HET NH2 B 10 3 HET DEU 19 63 HETNAM ACE ACETYL GROUP HETNAM NH2 AMINO GROUP HETNAM DEU CO(III)-(DEUTEROPORPHYRIN IX) FORMUL 1 ACE 2(C2 H4 O) FORMUL 1 NH2 2(H3 N) FORMUL 3 DEU C30 H28 CO N4 O4 5+ HELIX 1 1 GLU A 1 LYS A 8 1 8 HELIX 2 2 GLU B 1 SER B 6 1 6 LINK NZ LYS A 8 CGD DEU 19 LINK NZ LYS B 8 CGA DEU 19 LINK NE2 HIS A 5 CO DEU 19 LINK NE2 HIS B 5 CO DEU 19 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 HETATM 1 C ACE A 0 6.577 2.244 0.441 1.00 0.00 C HETATM 2 O ACE A 0 6.334 3.251 -0.218 1.00 0.00 O HETATM 3 CH3 ACE A 0 7.407 1.119 -0.054 1.00 0.00 C HETATM 4 1H ACE A 0 8.299 0.991 0.578 1.00 0.00 H HETATM 5 2H ACE A 0 6.838 0.170 -0.053 1.00 0.00 H HETATM 6 3H ACE A 0 7.686 1.332 -1.081 1.00 0.00 H