HEADER IMMUNE SYSTEM 28-AUG-13 2MD0 TITLE SOLUTION STRUCTURE OF SHK-LIKE IMMUNOMODULATORY PEPTIDE FROM TITLE 2 ANCYLOSTOMA CANINUM (HOOKWORM) COMPND MOL_ID: 1; COMPND 2 MOLECULE: ACK1; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ANCYLOSTOMA CANINUM; SOURCE 3 ORGANISM_TAXID: 29170; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: DE3; SOURCE 7 EXPRESSION_SYSTEM_VECTOR: PET32A KEYWDS HOOKWORM, SHK-LIKE PEPTIDE, KV1.3, IMMUNE SYSTEM EXPDTA SOLUTION NMR NUMMDL 30 AUTHOR S.CHHABRA,J.D.SWARBRICK,B.MOHANTY,S.C.CHANG,G.K.CHANDY, AUTHOR 2 M.W.PENNINGTON,R.S.NORTON REVDAT 3 14-JUN-23 2MD0 1 REMARK REVDAT 2 08-APR-15 2MD0 1 JRNL REVDAT 1 02-JUL-14 2MD0 0 JRNL AUTH S.CHHABRA,S.C.CHANG,H.M.NGUYEN,R.HUQ,M.R.TANNER,L.M.LONDONO, JRNL AUTH 2 R.ESTRADA,V.DHAWAN,S.CHAUHAN,S.K.UPADHYAY,M.GINDIN, JRNL AUTH 3 P.J.HOTEZ,J.G.VALENZUELA,B.MOHANTY,J.D.SWARBRICK,H.WULFF, JRNL AUTH 4 S.P.IADONATO,G.A.GUTMAN,C.BEETON,M.W.PENNINGTON,R.S.NORTON, JRNL AUTH 5 K.G.CHANDY JRNL TITL KV1.3 CHANNEL-BLOCKING IMMUNOMODULATORY PEPTIDES FROM JRNL TITL 2 PARASITIC WORMS: IMPLICATIONS FOR AUTOIMMUNE DISEASES. JRNL REF FASEB J. V. 28 3952 2014 JRNL REFN ISSN 0892-6638 JRNL PMID 24891519 JRNL DOI 10.1096/FJ.14-251967 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TOPSPIN, X-PLOR NIH REMARK 3 AUTHORS : BRUKER BIOSPIN (TOPSPIN), SCHWIETERS, KUSZEWSKI, REMARK 3 TJANDRA AND CLORE (X-PLOR NIH) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2MD0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-SEP-13. REMARK 100 THE DEPOSITION ID IS D_1000103490. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 5.4 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT ATM REMARK 210 SAMPLE CONTENTS : 1 MM [U-100% 13C; U-100% 15N] REMARK 210 ENTITY, 10 MM SODIUM PHOSPHATE, REMARK 210 90% H2O/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 3D HNCA; 3D REMARK 210 HNCACB; 3D HN(CO)CA; 3D CBCA(CO) REMARK 210 NH; 3D 1H-15N NOESY; 3D 1H-13C REMARK 210 NOESY ALIPHATIC; 3D 1H-13C NOESY REMARK 210 AROMATIC; 3D HNCO REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ; 800 MHZ; 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CYANA, XEASY, CCPNMR REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 30 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: 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 O GLU A 37 H TYR A 41 1.52 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 5 MET A 9 18.38 46.15 REMARK 500 6 MET A 9 12.54 -68.21 REMARK 500 7 ASP A 2 123.21 54.36 REMARK 500 8 ALA A 7 -177.85 48.37 REMARK 500 8 ASP A 8 4.07 -150.98 REMARK 500 9 THR A 5 5.71 -65.62 REMARK 500 9 MET A 9 23.29 42.43 REMARK 500 12 ASP A 8 14.89 -147.83 REMARK 500 12 MET A 9 17.97 56.88 REMARK 500 13 MET A 9 13.79 -65.80 REMARK 500 14 ALA A 7 154.10 55.00 REMARK 500 14 MET A 9 18.27 47.15 REMARK 500 15 MET A 9 17.11 41.78 REMARK 500 16 ASP A 8 1.48 -161.03 REMARK 500 16 MET A 9 15.38 48.69 REMARK 500 17 MET A 9 21.17 47.24 REMARK 500 18 ALA A 7 124.62 54.39 REMARK 500 18 MET A 9 20.41 48.89 REMARK 500 19 MET A 9 14.66 -65.97 REMARK 500 20 MET A 9 14.19 -65.19 REMARK 500 21 ALA A 7 -179.89 48.83 REMARK 500 23 MET A 9 17.84 49.95 REMARK 500 25 ALA A 7 -166.09 44.58 REMARK 500 28 ALA A 6 51.35 33.21 REMARK 500 28 ASP A 8 0.80 -162.50 REMARK 500 28 MET A 9 21.81 44.69 REMARK 500 30 ASP A 2 125.16 56.43 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 19460 RELATED DB: BMRB DBREF 2MD0 A 1 51 PDB 2MD0 2MD0 1 51 SEQRES 1 A 51 ASN ASP ILE ARG THR ALA ALA ASP MET GLU HIS CYS ALA SEQRES 2 A 51 ASP GLU LYS ASN PHE ASP CYS ARG ARG SER LEU ARG ASN SEQRES 3 A 51 GLY ASP CYS ASP ASN ASP ASP LYS LEU LEU GLU MET GLY SEQRES 4 A 51 TYR TYR CYS PRO VAL THR CYS GLY PHE CYS GLU PRO HELIX 1 1 ASP A 2 ALA A 6 5 5 HELIX 2 2 ASP A 19 ASN A 26 1 8 HELIX 3 3 GLY A 27 ASP A 30 5 4 HELIX 4 4 ASN A 31 CYS A 42 1 12 SSBOND 1 CYS A 12 CYS A 49 1555 1555 2.02 SSBOND 2 CYS A 20 CYS A 42 1555 1555 2.02 SSBOND 3 CYS A 29 CYS A 46 1555 1555 2.02 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