HEADER MEMBRANE PROTEIN 12-NOV-01 1KD6 TITLE SOLUTION STRUCTURE OF THE EUKARYOTIC PORE-FORMING CYTOLYSIN TITLE 2 EQUINATOXIN II COMPND MOL_ID: 1; COMPND 2 MOLECULE: EQUINATOXIN II; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: EQTII, TENEBROSIN C; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ACTINIA EQUINA; SOURCE 3 ORGANISM_TAXID: 6106; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PAG2.1 KEYWDS CYTOLYSIN, PORE FORMATION, BETA SANDWICH, TOXIN, SEA ANEMONE, KEYWDS 2 MEMBRANE PROTEIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR M.G.HINDS,W.ZHANG,G.ANDERLUH,P.E.HANSEN,R.S.NORTON REVDAT 5 22-MAY-24 1KD6 1 REMARK REVDAT 4 23-FEB-22 1KD6 1 REMARK REVDAT 3 24-FEB-09 1KD6 1 VERSN REVDAT 2 27-FEB-02 1KD6 1 TITLE REVDAT 1 13-FEB-02 1KD6 0 JRNL AUTH M.G.HINDS,W.ZHANG,G.ANDERLUH,P.E.HANSEN,R.S.NORTON JRNL TITL SOLUTION STRUCTURE OF THE EUKARYOTIC PORE-FORMING CYTOLYSIN JRNL TITL 2 EQUINATOXIN II: IMPLICATIONS FOR PORE FORMATION. JRNL REF J.MOL.BIOL. V. 315 1219 2002 JRNL REFN ISSN 0022-2836 JRNL PMID 11827489 JRNL DOI 10.1006/JMBI.2001.5321 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH W.ZHANG,M.G.HINDS,G.ANDERLUH,P.E.HANSEN,R.S.NORTON REMARK 1 TITL SEQUENCE-SPECIFIC RESONANCE ASSIGNMENTS OF THE POTENT REMARK 1 TITL 2 CYTOLYSIN EQUINATOXIN II REMARK 1 REF J.BIOMOL.NMR V. 18 281 2000 REMARK 1 REFN ISSN 0925-2738 REMARK 1 DOI 10.1023/A:1026793926271 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : VNMR 6, CNS 1.0 REMARK 3 AUTHORS : VARIAN ASSOCIATES (VNMR), BRUNGER, A.T., ADAMS, REMARK 3 P.D., CLORE, G.M., DELANO, W.L., GROS, P., GROSSE- REMARK 3 KUNSTLEVE, R.W., JIANG, J.S., KUSZEWSKI, J., REMARK 3 NILGES, M., PANNU, N.S, READ, R.J., RICE, L.M., REMARK 3 SIMONSON, T., WARREN, G.L. ACTA CRYSTALLOGR. D REMARK 3 BIOL. CRYSTALLOGR. 1998, 54, 905-921. (CNS) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE STRUCTURE IS BASED ON 3161 TOTAL REMARK 3 RESTRAINTS INCLUDING 167 ANGLE CONSTRAINTS, 42 HYDROGEN BONDS, REMARK 3 534 SEQUENTIAL, 972 SHORT RANGE AND 1346 LONG RANGE DISTANCE REMARK 3 CONSTRAINTS. REMARK 4 REMARK 4 1KD6 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-NOV-01. REMARK 100 THE DEPOSITION ID IS D_1000014831. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 303 REMARK 210 PH : 3.9 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1MM 13C, 15N EQUINATOXIN II PH REMARK 210 3.9; 1MM 15N EQUINATOXIN II PH REMARK 210 3.9; 1MM UNLABELLED EQUINATOXIN REMARK 210 II PH 3.9 REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D_13C-SEPARATED_NOESY; 3D_15N REMARK 210 -SEPARATED_NOESY; HNHA REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ; 750 MHZ; 800 MHZ REMARK 210 SPECTROMETER MODEL : INOVA; DRX REMARK 210 SPECTROMETER MANUFACTURER : VARIAN; BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XWINNMR 2.6, XEASY 1.3.13, DYANA REMARK 210 1.5 REMARK 210 METHOD USED : TORSION ANGLE DYANAMICS DISTANCE REMARK 210 GEOMETRY SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 250 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH ACCEPTABLE REMARK 210 COVALENT GEOMETRY,STRUCTURES REMARK 210 WITH THE LEAST RESTRAINT REMARK 210 VIOLATIONS REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING TRIPLE RESONANCE REMARK 210 SPECTROSCOPY 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: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE 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 ALA A 2 -56.61 -146.51 REMARK 500 1 ALA A 5 44.86 -109.02 REMARK 500 1 ALA A 7 44.87 -97.04 REMARK 500 1 ALA A 12 -32.95 -154.66 REMARK 500 1 ALA A 25 34.41 -90.18 REMARK 500 1 ASN A 28 43.66 -78.44 REMARK 500 1 SER A 54 -70.89 -133.98 REMARK 500 1 THR A 56 -167.46 -165.61 REMARK 500 1 SER A 57 -53.53 -159.96 REMARK 500 1 HIS A 63 51.29 -119.48 REMARK 500 1 GLN A 76 46.60 -145.19 REMARK 500 1 LYS A 77 175.81 52.64 REMARK 500 1 ARG A 79 -46.93 72.86 REMARK 500 1 PRO A 81 -142.10 -71.53 REMARK 500 1 SER A 95 -100.34 -167.35 REMARK 500 1 TYR A 108 40.12 -84.26 REMARK 500 1 ASN A 111 -131.61 -160.76 REMARK 500 1 ARG A 126 129.32 69.99 REMARK 500 1 ASP A 129 -159.42 -161.19 REMARK 500 1 GLU A 135 -56.51 56.80 REMARK 500 1 TYR A 137 40.46 -78.34 REMARK 500 1 SER A 141 76.94 -153.38 REMARK 500 1 ASN A 147 92.17 -47.19 REMARK 500 1 ARG A 152 144.16 -171.50 REMARK 500 1 PHE A 163 -174.58 -175.15 REMARK 500 1 SER A 166 -121.50 -82.36 REMARK 500 1 GLU A 173 75.85 -116.40 REMARK 500 2 ALA A 5 131.72 70.00 REMARK 500 2 ALA A 12 -38.75 -154.87 REMARK 500 2 LEU A 26 44.90 -80.78 REMARK 500 2 ASN A 28 -45.84 -135.09 REMARK 500 2 SER A 41 -76.93 -92.52 REMARK 500 2 LEU A 48 -57.73 -120.45 REMARK 500 2 THR A 56 143.18 -171.06 REMARK 500 2 ASP A 58 37.27 -176.84 REMARK 500 2 ILE A 59 -65.92 60.99 REMARK 500 2 LYS A 77 -155.20 -80.36 REMARK 500 2 ASP A 78 119.15 68.05 REMARK 500 2 ARG A 79 -40.84 -170.42 REMARK 500 2 ALA A 83 41.59 -143.49 REMARK 500 2 ALA A 86 105.06 -165.83 REMARK 500 2 MET A 94 -93.20 -81.81 REMARK 500 2 SER A 95 -45.74 -151.17 REMARK 500 2 ASP A 96 33.25 -89.68 REMARK 500 2 ASP A 109 145.49 69.60 REMARK 500 2 TYR A 110 42.03 -84.23 REMARK 500 2 ASN A 111 -114.60 -80.18 REMARK 500 2 TRP A 112 37.97 -153.49 REMARK 500 2 LYS A 123 46.84 -82.18 REMARK 500 2 ARG A 126 123.14 72.39 REMARK 500 REMARK 500 THIS ENTRY HAS 517 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 999 REMARK 999 SEQUENCE THERE ARE TWO NATURALLY OCCURING SEQUENCE VARIANTS REMARK 999 P116D AND T212S FOR EQUINATOXIN II P116D VARIANT OCCURS IN 50% REMARK 999 OF MOLECULES FROM ACTINIA EQUINA AND THE T212S VARIANT IN ACTINA REMARK 999 TENEBROSA. DBREF 1KD6 A 1 179 UNP P61914 EQT2_ACTEQ 36 214 SEQADV 1KD6 THR A 177 UNP P61914 SER 212 SEE REMARK 999 SEQRES 1 A 179 SER ALA ASP VAL ALA GLY ALA VAL ILE ASP GLY ALA SER SEQRES 2 A 179 LEU SER PHE ASP ILE LEU LYS THR VAL LEU GLU ALA LEU SEQRES 3 A 179 GLY ASN VAL LYS ARG LYS ILE ALA VAL GLY VAL ASP ASN SEQRES 4 A 179 GLU SER GLY LYS THR TRP THR ALA LEU ASN THR TYR PHE SEQRES 5 A 179 ARG SER GLY THR SER ASP ILE VAL LEU PRO HIS LYS VAL SEQRES 6 A 179 PRO HIS GLY LYS ALA LEU LEU TYR ASN GLY GLN LYS ASP SEQRES 7 A 179 ARG GLY PRO VAL ALA THR GLY ALA VAL GLY VAL LEU ALA SEQRES 8 A 179 TYR LEU MET SER ASP GLY ASN THR LEU ALA VAL LEU PHE SEQRES 9 A 179 SER VAL PRO TYR ASP TYR ASN TRP TYR SER ASN TRP TRP SEQRES 10 A 179 ASN VAL ARG ILE TYR LYS GLY LYS ARG ARG ALA ASP GLN SEQRES 11 A 179 ARG MET TYR GLU GLU LEU TYR TYR ASN LEU SER PRO PHE SEQRES 12 A 179 ARG GLY ASP ASN GLY TRP HIS THR ARG ASN LEU GLY TYR SEQRES 13 A 179 GLY LEU LYS SER ARG GLY PHE MET ASN SER SER GLY HIS SEQRES 14 A 179 ALA ILE LEU GLU ILE HIS VAL THR LYS ALA HELIX 1 1 SER A 15 ALA A 25 1 11 HELIX 2 2 ASP A 129 GLU A 134 1 6 SHEET 1 A 5 LYS A 69 GLY A 75 0 SHEET 2 A 5 ILE A 33 ASN A 39 -1 N VAL A 35 O TYR A 73 SHEET 3 A 5 ALA A 170 THR A 177 1 O ALA A 170 N ALA A 34 SHEET 4 A 5 LYS A 159 ASN A 165 -1 N LYS A 159 O THR A 177 SHEET 5 A 5 HIS A 150 ASN A 153 -1 N ARG A 152 O SER A 160 SHEET 1 B 5 THR A 46 PHE A 52 0 SHEET 2 B 5 GLY A 88 LEU A 93 -1 O LEU A 93 N THR A 46 SHEET 3 B 5 ASN A 98 SER A 105 -1 O PHE A 104 N GLY A 88 SHEET 4 B 5 TRP A 116 LYS A 123 -1 O TYR A 122 N THR A 99 SHEET 5 B 5 PHE A 143 ARG A 144 -1 O PHE A 143 N TRP A 117 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