HEADER TOXIN 06-NOV-23 8UWF TITLE NMR STRUCTURE OF THE FUNNEL-WEB SPIDER TOXIN HC3A COMPND MOL_ID: 1; COMPND 2 MOLECULE: PI-HEXATOXIN-HC1B_1; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HADRONYCHE CERBEREA; SOURCE 3 ORGANISM_TAXID: 1107879; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS INHIBITOR CYSTINE KNOT, ACID-SENSING ION CHANNEL, TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR E.BUDUSAN,C.D.PAYNE,T.I.GONZALEZ,R.J.CLARK,K.J.ROSENGREN,L.D.RASH, AUTHOR 2 B.CRISTOFORI-ARMSTRONG REVDAT 5 13-NOV-24 8UWF 1 REMARK REVDAT 4 02-OCT-24 8UWF 1 JRNL REVDAT 3 15-MAY-24 8UWF 1 REMARK REVDAT 2 10-APR-24 8UWF 1 JRNL REVDAT 1 13-MAR-24 8UWF 0 JRNL AUTH E.BUDUSAN,C.D.PAYNE,T.I.GONZALEZ,A.OBERGRUSSBERGER,N.BECKER, JRNL AUTH 2 R.J.CLARK,K.JOHAN ROSENGREN,L.D.RASH,B.CRISTOFORI-ARMSTRONG JRNL TITL THE FUNNEL-WEB SPIDER VENOM DERIVED SINGLE KNOT PEPTIDE HC3A JRNL TITL 2 MODULATES ACID-SENSING ION CHANNEL 1A DESENSITISATION. JRNL REF BIOCHEM PHARMACOL V. 228 16175 2024 JRNL REFN ISSN 1873-2968 JRNL PMID 38552850 JRNL DOI 10.1016/J.BCP.2024.116175 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA REMARK 3 AUTHORS : GUNTERT, MUMENTHALER AND WUTHRICH REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: SIMULATED ANNEALING USING TORSION ANGLE REMARK 3 DYNAMICS REMARK 4 REMARK 4 8UWF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-NOV-23. REMARK 100 THE DEPOSITION ID IS D_1000277414. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298; 288; 293; 303; 308 REMARK 210 PH : 3.5; 3.5; 3.5; 3.5; 3.5 REMARK 210 IONIC STRENGTH : 0; 0; 0; 0; 0 REMARK 210 PRESSURE : 1 ATM; 1 ATM; 1 ATM; 1 ATM; 1 REMARK 210 ATM REMARK 210 SAMPLE CONTENTS : 4 MG/ML HC3A, 90% H2O/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-1H TOCSY; 2D 1H-1H NOESY; REMARK 210 2D 1H-13C HSQC; 2D 1H-15N HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 900 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CARA, CYANA, MOLPROBITY 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 ACCEPTABLE REMARK 210 COVALENT GEOMETRY 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: 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 6 -170.62 -66.05 REMARK 500 1 CYS A 19 -178.29 -60.44 REMARK 500 1 CYS A 24 98.96 -63.57 REMARK 500 2 ARG A 6 -169.02 -67.56 REMARK 500 2 CYS A 19 -178.34 -59.13 REMARK 500 2 CYS A 24 98.87 -62.77 REMARK 500 2 ARG A 28 -64.50 -100.75 REMARK 500 3 ARG A 6 -168.64 -66.63 REMARK 500 3 CYS A 19 -178.33 -61.36 REMARK 500 3 CYS A 24 98.81 -63.23 REMARK 500 3 ARG A 28 -67.17 -98.65 REMARK 500 4 ARG A 6 -168.93 -67.52 REMARK 500 4 CYS A 19 -178.22 -59.04 REMARK 500 4 CYS A 24 98.89 -62.91 REMARK 500 4 ARG A 28 -65.14 -100.13 REMARK 500 5 ARG A 6 -168.77 -67.53 REMARK 500 5 CYS A 19 -178.17 -59.06 REMARK 500 5 CYS A 24 98.81 -62.80 REMARK 500 5 ARG A 28 -61.35 -96.56 REMARK 500 6 ARG A 6 -170.74 -66.04 REMARK 500 6 VAL A 12 102.86 -53.01 REMARK 500 6 CYS A 19 -177.37 -60.51 REMARK 500 6 CYS A 24 98.71 -62.76 REMARK 500 6 ARG A 28 -72.46 -99.56 REMARK 500 6 SER A 32 106.14 -169.63 REMARK 500 7 ARG A 6 -168.34 -67.99 REMARK 500 7 CYS A 19 -178.09 -60.61 REMARK 500 7 CYS A 24 98.96 -63.52 REMARK 500 7 ARG A 28 -65.89 -100.22 REMARK 500 8 ARG A 6 -169.38 -67.24 REMARK 500 8 VAL A 12 102.53 -52.95 REMARK 500 8 CYS A 19 -177.96 -60.06 REMARK 500 8 CYS A 24 98.89 -63.64 REMARK 500 8 ARG A 28 -61.75 -101.13 REMARK 500 9 ARG A 6 -168.78 -67.65 REMARK 500 9 CYS A 19 -178.27 -59.32 REMARK 500 9 CYS A 24 98.87 -62.24 REMARK 500 10 ARG A 6 -172.75 -63.48 REMARK 500 10 VAL A 12 102.13 -53.04 REMARK 500 10 CYS A 19 -177.24 -60.27 REMARK 500 10 CYS A 24 98.68 -63.08 REMARK 500 10 ARG A 28 -74.51 -102.79 REMARK 500 11 ARG A 6 -169.31 -67.07 REMARK 500 11 CYS A 19 -178.28 -58.20 REMARK 500 11 CYS A 24 98.84 -63.24 REMARK 500 11 ARG A 28 -61.26 -99.52 REMARK 500 12 ARG A 6 -169.44 -68.18 REMARK 500 12 VAL A 12 102.24 -52.66 REMARK 500 12 CYS A 19 -177.76 -60.10 REMARK 500 12 CYS A 24 98.82 -63.45 REMARK 500 REMARK 500 THIS ENTRY HAS 91 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 31124 RELATED DB: BMRB REMARK 900 NMR STRUCTURE OF THE FUNNEL-WEB SPIDER TOXIN HC3A DBREF1 8UWF A 2 39 UNP A0A4Q8K7H6_HADCE DBREF2 8UWF A A0A4Q8K7H6 55 92 SEQADV 8UWF GLY A 1 UNP A0A4Q8K7H EXPRESSION TAG SEQRES 1 A 39 GLY ASN GLU CYS ILE ARG LYS TRP LEU SER CYS VAL ASP SEQRES 2 A 39 ARG LYS ASN ASP CYS CYS GLU GLY LEU GLU CYS TRP LYS SEQRES 3 A 39 ARG ARG GLY ASN LYS SER SER VAL CYS VAL PRO ILE THR HELIX 1 AA1 ARG A 14 CYS A 18 5 5 SHEET 1 AA1 2 LEU A 22 TRP A 25 0 SHEET 2 AA1 2 VAL A 34 PRO A 37 -1 O VAL A 34 N TRP A 25 SSBOND 1 CYS A 4 CYS A 19 1555 1555 1.95 SSBOND 2 CYS A 11 CYS A 24 1555 1555 1.96 SSBOND 3 CYS A 18 CYS A 35 1555 1555 1.97 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