HEADER METAL BINDING PROTEIN 03-APR-18 6CXP TITLE HRFLRH PEPTIDE NMR STRUCTURE IN THE PRESENCE OF CD(II) COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEXAPEPTIDE HRFLRH; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: PHYLLOMEDUSA CENTRALIS; SOURCE 4 ORGANISM_COMMON: MATO GROSSO LEAF FROG; SOURCE 5 ORGANISM_TAXID: 536631 KEYWDS AMPHIBIAN SKIN SECRETION, METAL AFFINITY, CO2 AFFINITY, METAL BINDING KEYWDS 2 PROTEIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR D.A.T.PIRES,L.M.R.ARAKE,L.P.SILVA,A.LOPEZ-CASTILLO,M.V.PRATES, AUTHOR 2 C.J.NASCIMENTO,C.BLOCH JR REVDAT 3 14-JUN-23 6CXP 1 REMARK REVDAT 2 11-JUL-18 6CXP 1 JRNL REVDAT 1 04-JUL-18 6CXP 0 JRNL AUTH D.A.T.PIRES,L.M.R.ARAKE,L.P.SILVA,A.LOPEZ-CASTILLO, JRNL AUTH 2 M.V.PRATES,C.J.NASCIMENTO,C.BLOCH JRNL TITL A PREVIOUSLY UNDESCRIBED HEXAPEPTIDE JRNL TITL 2 HIS-ARG-PHE-LEU-ARG-HIS-NH2FROM AMPHIBIAN SKIN SECRETION JRNL TITL 3 SHOWS CO2AND METAL BIDING AFFINITIES. JRNL REF PEPTIDES V. 106 37 2018 JRNL REFN ISSN 1873-5169 JRNL PMID 29933027 JRNL DOI 10.1016/J.PEPTIDES.2018.06.003 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER, ADAMS, CLORE, GROS, NILGES AND READ REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6CXP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-APR-18. REMARK 100 THE DEPOSITION ID IS D_1000233674. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 4.3 REMARK 210 IONIC STRENGTH : 2 REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 2 MM HRFLRH PEPTIDE, 2 MM REMARK 210 CD(II), 90% H2O/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-1H TOCSY; 2D 1H-13C HSQC REMARK 210 ALIPHATIC; 2D 1H-13C HSQC REMARK 210 AROMATIC; 2D 1H-1H NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 800 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE III REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CNS REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 200 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: 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 465 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 MODELS 1-20 REMARK 465 RES C SSSEQI REMARK 465 NH2 A 7 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 2 84.31 -64.74 REMARK 500 1 ARG A 5 97.04 -163.29 REMARK 500 2 LEU A 4 -177.77 -55.49 REMARK 500 3 ARG A 2 81.86 -67.68 REMARK 500 3 LEU A 4 -179.18 -54.97 REMARK 500 4 ARG A 2 70.95 -69.16 REMARK 500 4 LEU A 4 172.82 -56.00 REMARK 500 5 ARG A 2 72.37 -68.78 REMARK 500 5 LEU A 4 -179.43 -55.09 REMARK 500 5 ARG A 5 40.00 -158.12 REMARK 500 6 PHE A 3 79.94 -101.31 REMARK 500 6 LEU A 4 -177.40 -56.10 REMARK 500 6 ARG A 5 40.00 -145.06 REMARK 500 7 ARG A 2 77.78 -66.19 REMARK 500 7 LEU A 4 -177.15 -55.35 REMARK 500 8 ARG A 2 78.50 -66.13 REMARK 500 9 ARG A 2 79.48 -65.22 REMARK 500 9 LEU A 4 -177.22 -55.16 REMARK 500 10 ARG A 2 74.93 -67.67 REMARK 500 11 ARG A 2 81.27 -67.17 REMARK 500 11 LEU A 4 176.47 -54.58 REMARK 500 11 ARG A 5 39.79 -160.13 REMARK 500 12 LEU A 4 175.14 -55.43 REMARK 500 13 ARG A 2 86.09 -62.37 REMARK 500 13 ARG A 5 45.41 -141.81 REMARK 500 14 LEU A 4 105.60 -56.37 REMARK 500 15 ARG A 2 91.32 -55.58 REMARK 500 15 LEU A 4 176.52 -55.07 REMARK 500 16 ARG A 2 74.67 -67.62 REMARK 500 16 LEU A 4 107.11 -54.75 REMARK 500 17 ARG A 2 88.11 -58.69 REMARK 500 18 ARG A 2 72.68 -68.40 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 30447 RELATED DB: BMRB REMARK 900 HRFLRH PEPTIDE NMR STRUCTURE IN THE PRESENCE OF CD(II) DBREF 6CXP A 1 7 PDB 6CXP 6CXP 1 7 SEQRES 1 A 7 HIS ARG PHE LEU ARG HIS NH2 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