HEADER NEUROTOXIN 14-APR-95 1AGT TITLE SOLUTION STRUCTURE OF THE POTASSIUM CHANNEL INHIBITOR AGITOXIN 2: TITLE 2 CALIPER FOR PROBING CHANNEL GEOMETRY COMPND MOL_ID: 1; COMPND 2 MOLECULE: AGITOXIN 2; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: LEIURUS QUINQUESTRIATUS HEBRAEUS; SOURCE 3 ORGANISM_TAXID: 6884; SOURCE 4 STRAIN: HEBRAEUS; SOURCE 5 GENE: AGTX2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PCSP105; SOURCE 9 EXPRESSION_SYSTEM_GENE: AGTX2 KEYWDS POTASSIUM CHANNEL BLOCKER, NEUROTOXIN EXPDTA SOLUTION NMR NUMMDL 17 AUTHOR A.M.KREZEL,C.KASIBHATLA,P.HIDALGO,R.MACKINNON,G.WAGNER REVDAT 4 20-NOV-24 1AGT 1 REMARK REVDAT 3 29-NOV-17 1AGT 1 REMARK HELIX REVDAT 2 24-FEB-09 1AGT 1 VERSN REVDAT 1 10-JUL-95 1AGT 0 JRNL AUTH A.M.KREZEL,C.KASIBHATLA,P.HIDALGO,R.MACKINNON,G.WAGNER JRNL TITL SOLUTION STRUCTURE OF THE POTASSIUM CHANNEL INHIBITOR JRNL TITL 2 AGITOXIN 2: CALIPER FOR PROBING CHANNEL GEOMETRY. JRNL REF PROTEIN SCI. V. 4 1478 1995 JRNL REFN ISSN 0961-8368 JRNL PMID 8520473 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NMRCHITECT 2.3, DISCOVER 2.9 REMARK 3 AUTHORS : BIOSYM TECHNOLOGIES (NMRCHITECT), BIOSYM REMARK 3 TECHNOLOGIES (DISCOVER) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1AGT COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000170798. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : NULL REMARK 210 PH : NULL REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NULL REMARK 210 SPECTROMETER FIELD STRENGTH : NULL REMARK 210 SPECTROMETER MODEL : NULL REMARK 210 SPECTROMETER MANUFACTURER : NULL REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NULL REMARK 210 METHOD USED : NULL REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : NULL REMARK 210 CONFORMERS, NUMBER SUBMITTED : 17 REMARK 210 CONFORMERS, SELECTION CRITERIA : NULL REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL 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 LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 10 HIS A 34 CG HIS A 34 CD2 0.055 REMARK 500 REMARK 500 REMARK: NULL 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 1 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 1 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 1 HIS A 34 ND1 - CE1 - NE2 ANGL. DEV. = 8.1 DEGREES REMARK 500 2 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 2 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 2 HIS A 34 ND1 - CE1 - NE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 3 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 3 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 3 HIS A 34 ND1 - CE1 - NE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 4 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 4 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 4 HIS A 34 ND1 - CE1 - NE2 ANGL. DEV. = 7.9 DEGREES REMARK 500 5 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 5 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 5 HIS A 34 ND1 - CE1 - NE2 ANGL. DEV. = 8.1 DEGREES REMARK 500 6 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 6 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 6 HIS A 34 ND1 - CE1 - NE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 7 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 7 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 7 HIS A 34 ND1 - CE1 - NE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 8 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 8 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 8 HIS A 34 ND1 - CE1 - NE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 9 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 9 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 9 HIS A 34 ND1 - CE1 - NE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 10 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 10 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 10 HIS A 34 ND1 - CE1 - NE2 ANGL. DEV. = 8.1 DEGREES REMARK 500 11 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 11 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 11 HIS A 34 ND1 - CE1 - NE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 12 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 12 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 12 HIS A 34 ND1 - CE1 - NE2 ANGL. DEV. = 7.9 DEGREES REMARK 500 13 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 13 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 13 HIS A 34 ND1 - CE1 - NE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 14 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 14 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 14 HIS A 34 ND1 - CE1 - NE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 15 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 15 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 15 HIS A 34 ND1 - CE1 - NE2 ANGL. DEV. = 8.1 DEGREES REMARK 500 16 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 16 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 16 HIS A 34 ND1 - CE1 - NE2 ANGL. DEV. = 7.9 DEGREES REMARK 500 17 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 17 ARG A 31 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 51 ANGLE DEVIATIONS. 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 2 ASN A 30 99.64 -63.29 REMARK 500 2 ARG A 31 15.24 58.83 REMARK 500 3 ARG A 24 -71.24 -79.48 REMARK 500 3 ASN A 30 99.83 -62.11 REMARK 500 3 ARG A 31 13.50 58.63 REMARK 500 4 ARG A 24 -74.84 -80.30 REMARK 500 4 ARG A 31 15.61 59.25 REMARK 500 6 ARG A 24 -74.55 -83.51 REMARK 500 6 ASN A 30 94.16 -63.74 REMARK 500 7 ARG A 24 -72.45 -81.78 REMARK 500 7 ASN A 30 99.66 -63.47 REMARK 500 7 ARG A 31 16.81 59.72 REMARK 500 8 ASN A 30 98.41 -63.51 REMARK 500 9 ASN A 30 98.69 -63.60 REMARK 500 10 ARG A 24 -73.43 -81.21 REMARK 500 10 ASN A 30 98.91 -61.91 REMARK 500 10 ARG A 31 13.14 56.44 REMARK 500 11 ARG A 24 -72.15 -93.37 REMARK 500 11 ASN A 30 99.12 -63.42 REMARK 500 11 ARG A 31 19.31 55.60 REMARK 500 13 ASN A 30 98.17 -63.86 REMARK 500 14 ARG A 24 -72.14 -80.35 REMARK 500 14 ASN A 30 98.78 -62.85 REMARK 500 14 ARG A 31 15.39 57.15 REMARK 500 15 ARG A 24 -62.37 -90.05 REMARK 500 16 VAL A 2 93.05 67.18 REMARK 500 16 ARG A 24 -73.94 -84.90 REMARK 500 17 VAL A 2 80.26 40.76 REMARK 500 17 ARG A 24 -74.47 -93.87 REMARK 500 REMARK 500 REMARK: NULL DBREF 1AGT A 1 38 UNP P46111 SCA2_LEIQH 1 38 SEQRES 1 A 38 GLY VAL PRO ILE ASN VAL SER CYS THR GLY SER PRO GLN SEQRES 2 A 38 CYS ILE LYS PRO CYS LYS ASP ALA GLY MET ARG PHE GLY SEQRES 3 A 38 LYS CYS MET ASN ARG LYS CYS HIS CYS THR PRO LYS HELIX 1 H1 SER A 11 CYS A 14 5 4 HELIX 2 H2 CYS A 14 GLY A 22 1 9 SHEET 1 S1 3 VAL A 2 CYS A 8 0 SHEET 2 S1 3 LYS A 32 THR A 36 -1 N CYS A 35 O VAL A 2 SHEET 3 S1 3 ARG A 24 MET A 29 -1 N LYS A 27 O HIS A 34 SSBOND 1 CYS A 8 CYS A 28 1555 1555 1.99 SSBOND 2 CYS A 14 CYS A 33 1555 1555 1.99 SSBOND 3 CYS A 18 CYS A 35 1555 1555 2.00 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