HEADER VIRAL PROTEIN INHIBITOR 10-OCT-02 1N02 TITLE SOLUTION STRUCTURE OF A CIRCULAR-PERMUTED VARIANT OF THE POTENT HIV- TITLE 2 INACTIVATING PROTEIN CYANOVIRIN-N COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYANOVIRIN-N; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CPCV-N; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: CIRCULAR-PERMUTED VARIANT SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NOSTOC ELLIPSOSPORUM; SOURCE 3 ORGANISM_TAXID: 45916; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS VIRUS/VIRAL PROTEIN INHIBITOR, VIRAL PROTEIN INHIBITOR EXPDTA SOLUTION NMR NUMMDL 26 MDLTYP MINIMIZED AVERAGE AUTHOR L.G.BARRIENTOS,A.M.GRONENBORN REVDAT 3 05-FEB-20 1N02 1 REMARK SEQADV REVDAT 2 24-FEB-09 1N02 1 VERSN REVDAT 1 18-DEC-02 1N02 0 JRNL AUTH L.G.BARRIENTOS,J.M.LOUIS,D.M.RATNER,P.H.SEEBERGER, JRNL AUTH 2 A.M.GRONENBORN JRNL TITL SOLUTION STRUCTURE OF A CIRCULAR-PERMUTED VARIANT OF THE JRNL TITL 2 POTENT HIV-INACTIVATING PROTEIN CYANOVIRIN-N: STRUCTURAL JRNL TITL 3 BASIS FOR PROTEIN STABILITY AND OLIGOSACCHARIDE INTERACTION JRNL REF J.MOL.BIOL. V. 325 211 2003 JRNL REFN ISSN 0022-2836 JRNL PMID 12473463 JRNL DOI 10.1016/S0022-2836(02)01205-6 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : DYANA REMARK 3 AUTHORS : GUNTERT, MUMENTHALER, WUTHRICH REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1N02 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-OCT-02. REMARK 100 THE DEPOSITION ID IS D_1000017350. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 300 REMARK 210 PH : 6.0 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 1H-15N HSQC; 1H-13C HMQC; HNHA; REMARK 210 HCCH-TOCSY; (H)C(CCO)NH-TOCSY; REMARK 210 NOESY; 4D 13C/13C SEPARATED NOE REMARK 210 HNHB; 2D HN(CO)CG; HNCG REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ; 600 MHZ; 750 MHZ; 800 REMARK 210 MHZ REMARK 210 SPECTROMETER MODEL : DMX500; DRX600; DMX750; DMX800 REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : DYANA, CNS REMARK 210 METHOD USED : FOR DYANA, STANDARD TARGET REMARK 210 FUNCTION-SIMULATED ANNEALING REMARK 210 PROTOCOL. FOR CNS, SIMULATED- REMARK 210 ANNEALING IN CARTESIAN SPACE REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : NULL REMARK 210 CONFORMERS, NUMBER SUBMITTED : 26 REMARK 210 CONFORMERS, SELECTION CRITERIA : NULL REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: THE MINIMIZED AVERAGE STRUCTURE IS MODEL 1. MODELS 2-26 REMARK 210 ARE THE THE FINAL 25 CONFORMER ENSEMBLE. DYANA AND CNS WERE USED REMARK 210 FOR REFINEMENT. VIRTUALLY COMPLETE RESONANCE ASSIGNMENTS WERE REMARK 210 REPORTED I (2001) J.BIOM.NMR, 19: 289-90; HTTP:// REMARK 210 WWW.BMRB.WISC.EDU. STEREO-SPECIFIC ASSIGNMENTS FOR ALL THE REMARK 210 METHYL GROUPS OF OF THE EIGHT LEU RESIDUES AND FOR THE ALPHA- REMARK 210 METHYLENE PR EIGHT GLY, 46 BETA-METHYLENE PROTONS AND THE GAMMA- REMARK 210 METHY OF THE SEVEN ILE WERE AVAILABLE. IN TOTAL, 1879 EXPERIM REMARK 210 WERE EMPLOYED, REPRESENTING ~19 CONSTRAINTS PER RESIDUE. REMARK 210 STRUCTURES WAS FIRST CALCULATED WITH DYANA, BASED ON 114 92 REMARK 210 HYDROGEN BOND DISTANCES AND 193 DIHEDRAL ANGLES. REF VALUES REMARK 210 YIELDED AN ESEMBLE OF 50 STRUCTURES EXHIBITING AT 0.26+/-0.06 A REMARK 210 AND 0.64+/-0.08A WITH RESPECT TO THE MEAN BACKBONE (N,CA,C') AND REMARK 210 ALL HEAVY ATOMS, RESPECTIVELY, AN 0.81+/-0.10A^2. THIS INITIAL REMARK 210 ENSEMBLE OF STRUCTURES WAS RESIDUAL DIPOLAR COUPLINGS (80) AND REMARK 210 CHEMICAL SHIFTS (291 PROGRAMS CNS. OVERALL, EXCELLENT AGREEMENT REMARK 210 WITH THE EXP GOOD COVALENT GEOMETRY WAS MAINTAINED THROUGHOUT. REMARK 210 THE F WAS SELECTED AND ARE PRESENTED HERE AS MODELS2-26, AND A REMARK 210 MEAN STRUCTURE OF THIS ENSEMBLE IS PRESENTED HERE AS MOD. 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 H ALA A 14 O GLU A 18 1.54 REMARK 500 H THR A 25 O GLN A 29 1.58 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 LEU A 1 30.52 -144.73 REMARK 500 1 LYS A 3 80.57 65.95 REMARK 500 1 HIS A 40 -64.21 -97.32 REMARK 500 1 GLN A 51 141.22 -174.90 REMARK 500 1 PRO A 52 70.18 -66.07 REMARK 500 2 LYS A 3 84.38 -154.12 REMARK 500 2 SER A 17 35.74 -140.86 REMARK 500 2 HIS A 40 -66.34 -96.69 REMARK 500 2 GLN A 51 143.06 -174.89 REMARK 500 2 PRO A 52 68.37 -62.98 REMARK 500 2 SER A 56 -19.04 -49.92 REMARK 500 3 LEU A 1 -47.30 -153.78 REMARK 500 3 LYS A 3 84.39 -151.89 REMARK 500 3 SER A 17 35.36 -141.63 REMARK 500 3 HIS A 40 -62.98 -95.21 REMARK 500 3 GLN A 51 147.17 -172.17 REMARK 500 3 PRO A 52 63.70 -69.65 REMARK 500 3 SER A 56 -17.89 -48.31 REMARK 500 4 LYS A 3 66.46 62.48 REMARK 500 4 SER A 17 36.23 -141.43 REMARK 500 4 HIS A 40 -63.33 -98.33 REMARK 500 4 GLN A 51 143.14 -174.66 REMARK 500 4 PRO A 52 74.67 -64.55 REMARK 500 4 SER A 56 -16.99 -49.32 REMARK 500 5 LYS A 3 83.77 -151.72 REMARK 500 5 SER A 17 36.11 -140.81 REMARK 500 5 HIS A 40 -64.92 -96.65 REMARK 500 5 GLN A 51 142.25 -173.04 REMARK 500 5 PRO A 52 73.29 -64.97 REMARK 500 5 SER A 56 -17.82 -49.14 REMARK 500 6 LYS A 3 70.71 65.92 REMARK 500 6 SER A 17 35.44 -140.54 REMARK 500 6 HIS A 40 -68.43 -97.87 REMARK 500 6 GLN A 51 143.39 -175.06 REMARK 500 6 PRO A 52 69.43 -62.41 REMARK 500 6 SER A 56 -16.25 -47.78 REMARK 500 7 LYS A 3 85.37 -154.90 REMARK 500 7 SER A 17 35.07 -140.69 REMARK 500 7 SER A 56 -18.12 -48.58 REMARK 500 8 LYS A 3 70.01 62.99 REMARK 500 8 SER A 17 36.23 -141.04 REMARK 500 8 HIS A 40 -65.56 -98.12 REMARK 500 8 GLN A 51 141.56 -175.51 REMARK 500 8 PRO A 52 76.17 -61.47 REMARK 500 8 SER A 56 -16.77 -48.90 REMARK 500 9 LEU A 1 -78.37 62.56 REMARK 500 9 LYS A 3 71.15 63.30 REMARK 500 9 SER A 17 34.96 -140.90 REMARK 500 9 HIS A 40 -65.95 -97.61 REMARK 500 9 GLN A 51 144.75 -175.60 REMARK 500 REMARK 500 THIS ENTRY HAS 146 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4927 RELATED DB: BMRB REMARK 900 CHEMICAL SHIFTS FOR THE CONSTRAINTS TABLES AND FOR TALOS REMARK 900 CALCULATIONS REMARK 900 RELATED ID: 2EZM RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF WILD-TYPE CYANOVIRIN-N (NMR, RESTRAINED REMARK 900 REGULARIZED MEAN STRUCTURE) DBREF 1N02 A 1 3 UNP P81180 CVN_NOSEL 1 3 DBREF 1N02 A 4 49 UNP P81180 CVN_NOSEL 54 99 DBREF 1N02 A 50 54 UNP P81180 CVN_NOSEL 49 53 DBREF 1N02 A 55 99 UNP P81180 CVN_NOSEL 4 48 DBREF 1N02 A 100 101 UNP P81180 CVN_NOSEL 100 101 SEQADV 1N02 GLY A -1 UNP P81180 CLONING ARTIFACT SEQRES 1 A 102 GLY LEU GLY LYS PHE ILE GLU THR CYS ARG ASN THR GLN SEQRES 2 A 102 LEU ALA GLY SER SER GLU LEU ALA ALA GLU CYS LYS THR SEQRES 3 A 102 ARG ALA GLN GLN PHE VAL SER THR LYS ILE ASN LEU ASP SEQRES 4 A 102 ASP HIS ILE ALA ASN ILE ASP GLY THR LEU LYS TRP GLN SEQRES 5 A 102 PRO SER ASN PHE SER GLN THR CYS TYR ASN SER ALA ILE SEQRES 6 A 102 GLN GLY SER VAL LEU THR SER THR CYS GLU ARG THR ASN SEQRES 7 A 102 GLY GLY TYR ASN THR SER SER ILE ASP LEU ASN SER VAL SEQRES 8 A 102 ILE GLU ASN VAL ASP GLY SER LEU LYS TYR GLU HELIX 1 1 ASN A 54 GLN A 57 5 4 SHEET 1 A 3 CYS A 8 ALA A 14 0 SHEET 2 A 3 GLU A 18 LYS A 24 -1 O GLU A 18 N ALA A 14 SHEET 3 A 3 PHE A 30 ASN A 36 -1 O ILE A 35 N LEU A 19 SHEET 1 B 2 ILE A 41 ILE A 44 0 SHEET 2 B 2 THR A 47 TRP A 50 -1 O THR A 47 N ILE A 44 SHEET 1 C 3 CYS A 59 GLN A 65 0 SHEET 2 C 3 VAL A 68 GLU A 74 -1 O THR A 70 N ALA A 63 SHEET 3 C 3 TYR A 80 ASP A 86 -1 O ASN A 81 N CYS A 73 SHEET 1 D 2 ILE A 91 ASN A 93 0 SHEET 2 D 2 LEU A 98 TYR A 100 -1 O LYS A 99 N GLU A 92 SSBOND 1 CYS A 8 CYS A 23 1555 1555 2.03 SSBOND 2 CYS A 59 CYS A 73 1555 1555 2.03 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