HEADER TOXIN 12-MAR-21 7M1E TITLE STRUCTURAL AND FUNCTIONAL STUDIES ABOUT SCORPINE SHOWED THE PRESENCE TITLE 2 OF BLOCKING CHANNEL AND CYTOLYTIC ACTIVITIES AS WELL AS TWO DIFFERENT TITLE 3 STRUCTURAL DOMAINS COMPND MOL_ID: 1; COMPND 2 MOLECULE: SCORPINE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: N-TERMINAL RESIDUES 20-47; COMPND 5 SYNONYM: SCORPIN,PANSCORPINE; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PANDINUS IMPERATOR; SOURCE 3 ORGANISM_COMMON: EMPEROR SCORPION; SOURCE 4 ORGANISM_TAXID: 55084; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS SCORPION TOXINS, POTASSIUM CHANNELS, SCORPINE LIKE-PEPTIDES, KEYWDS 2 CYTOLYTIC PEPTIDES, TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR J.F.DEL RIO,A.E.LOPEZ,G.TITAUX REVDAT 3 14-JUN-23 7M1E 1 REMARK REVDAT 2 21-DEC-22 7M1E 1 JRNL REVDAT 1 19-JAN-22 7M1E 0 JRNL AUTH E.LOPEZ-GIRALDO,E.CARRILLO,G.TITAUX-DELGADO,P.CANO-SANCHEZ, JRNL AUTH 2 A.COLORADO,L.D.POSSANI,F.D.RIO-PORTILLA JRNL TITL STRUCTURAL AND FUNCTIONAL STUDIES OF SCORPINE: A CHANNEL JRNL TITL 2 BLOCKER AND CYTOLYTIC PEPTIDE. JRNL REF TOXICON V. 222 06985 2022 JRNL REFN ISSN 0041-0101 JRNL PMID 36436588 JRNL DOI 10.1016/J.TOXICON.2022.106985 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : AMBER 16 REMARK 3 AUTHORS : CASE, DARDEN, CHEATHAM III, SIMMERLING, WANG, REMARK 3 DUKE, LUO, AND KOLLMAN REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7M1E COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-MAR-21. REMARK 100 THE DEPOSITION ID IS D_1000254105. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 6.8 REMARK 210 IONIC STRENGTH : 0 REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 5 MM N-TERMINAL EXTREME REMARK 210 SCORPINE, TRIFLUOROETHANOL/WATER REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-1H NOESY; 2D 1H-1H TOCSY; REMARK 210 2D 1H-1H COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 700 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE II REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CYANA 2.1, CARA 1.5 REMARK 210 METHOD USED : MOLECULAR DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 500 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 3 ARG A 15 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 4 ARG A 15 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 5 ARG A 15 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 6 ARG A 15 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 7 ARG A 15 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 9 ARG A 15 NE - CZ - NH1 ANGL. DEV. = 4.3 DEGREES REMARK 500 11 ARG A 15 NE - CZ - NH1 ANGL. DEV. = 4.4 DEGREES REMARK 500 12 ARG A 15 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 13 ARG A 15 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 14 ARG A 15 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 15 ARG A 15 NE - CZ - NH1 ANGL. DEV. = 4.3 DEGREES REMARK 500 REMARK 500 REMARK: NULL 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 TRP A 2 -27.78 -141.21 REMARK 500 1 LYS A 26 -48.46 -147.85 REMARK 500 2 LYS A 26 -60.29 -123.60 REMARK 500 3 TRP A 2 -41.30 -133.72 REMARK 500 3 MET A 16 -30.05 -137.45 REMARK 500 3 MET A 24 -43.27 -20.34 REMARK 500 3 LYS A 26 -40.23 -134.39 REMARK 500 4 ASP A 13 2.37 -69.56 REMARK 500 4 MET A 24 -46.15 68.68 REMARK 500 4 ALA A 25 7.79 -164.62 REMARK 500 4 LYS A 26 -73.66 -95.85 REMARK 500 5 ALA A 25 -44.29 -140.21 REMARK 500 6 TRP A 2 -35.83 -136.72 REMARK 500 6 LYS A 26 -44.77 -140.13 REMARK 500 7 TRP A 2 -118.13 -107.68 REMARK 500 7 ILE A 3 -90.54 58.59 REMARK 500 7 ALA A 25 -18.69 -145.91 REMARK 500 8 ALA A 25 -36.18 -151.22 REMARK 500 8 ALA A 27 33.12 71.08 REMARK 500 10 LYS A 26 -54.73 -121.83 REMARK 500 11 TRP A 2 -37.38 -136.35 REMARK 500 11 ALA A 25 -41.13 -145.87 REMARK 500 12 LYS A 26 -43.24 -137.11 REMARK 500 12 ALA A 27 12.85 56.54 REMARK 500 13 LYS A 26 -47.16 -138.58 REMARK 500 14 LYS A 26 -42.81 -150.87 REMARK 500 14 ALA A 27 48.73 -78.09 REMARK 500 15 TRP A 2 -157.14 -154.82 REMARK 500 15 ILE A 3 -76.86 44.81 REMARK 500 15 ALA A 25 -9.10 57.46 REMARK 500 15 ALA A 27 13.12 -66.16 REMARK 500 16 LEU A 21 -45.52 -130.06 REMARK 500 16 ALA A 27 -27.08 -158.82 REMARK 500 17 TRP A 2 -64.79 -124.59 REMARK 500 17 LEU A 21 -44.79 -133.25 REMARK 500 17 LYS A 26 -59.11 -120.22 REMARK 500 18 TRP A 2 -33.23 -136.22 REMARK 500 18 LYS A 26 -42.72 -136.36 REMARK 500 19 TRP A 2 -42.33 -133.30 REMARK 500 19 LYS A 26 -44.59 -138.36 REMARK 500 20 TRP A 2 -51.74 -133.17 REMARK 500 20 LYS A 26 -36.24 -134.79 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 30879 RELATED DB: BMRB REMARK 900 STRUCTURAL AND FUNCTIONAL STUDIES ABOUT SCORPINE SHOWED THE REMARK 900 PRESENCE OF BLOCKING CHANNEL AND CYTOLYTIC ACTIVITIES AS WELL AS REMARK 900 TWO DIFFERENT STRUCTURAL DOMAINS DBREF 7M1E A 1 28 UNP P56972 KBX3_PANIM 20 47 SEQRES 1 A 28 GLY TRP ILE ASN GLU GLU LYS ILE GLN LYS LYS ILE ASP SEQRES 2 A 28 GLU ARG MET GLY ASN THR VAL LEU GLY GLY MET ALA LYS SEQRES 3 A 28 ALA ILE HELIX 1 AA1 TRP A 2 MET A 16 1 15 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