HEADER TRANSFERASE/RNA 12-JAN-09 3FTF TITLE CRYSTAL STRUCTURE OF A. AEOLICUS KSGA IN COMPLEX WITH RNA AND SAH COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIMETHYLADENOSINE TRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: S-ADENOSYLMETHIONINE-6-N', N'-ADENOSYL(RRNA) COMPND 5 DIMETHYLTRANSFERASE, 16S RRNA DIMETHYLASE, HIGH LEVEL KASUGAMYCIN COMPND 6 RESISTANCE PROTEIN KSGA, KASUGAMYCIN DIMETHYLTRANSFERASE; COMPND 7 EC: 2.1.1.-; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: 5'-R(P*AP*AP*CP*CP*GP*UP*AP*GP*GP*GP*GP*AP*AP*CP*CP*UP*GP*C COMPND 11 P*GP*GP*UP*U)-3'; COMPND 12 CHAIN: C, D; COMPND 13 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: AQUIFEX AEOLICUS; SOURCE 3 ORGANISM_TAXID: 224324; SOURCE 4 STRAIN: VF5; SOURCE 5 GENE: AQ_1816, KSGA; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21-CODONPLUS(DE3)-RIL; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_VECTOR: PDONR201; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PBA1939; SOURCE 12 MOL_ID: 2; SOURCE 13 SYNTHETIC: YES; SOURCE 14 OTHER_DETAILS: 16S RRNA KEYWDS KSGA, ROSSMANN-LIKE FOLD, RNA METHYLTRANSFERASE, MTASE, RNA, KEYWDS 2 ANTIBIOTIC RESISTANCE, METHYLTRANSFERASE, RNA-BINDING, RRNA KEYWDS 3 PROCESSING, S-ADENOSYL-L-METHIONINE, TRANSFERASE, TRANSFERASE-RNA KEYWDS 4 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR C.TU,X.JI REVDAT 4 06-SEP-23 3FTF 1 REMARK REVDAT 3 30-AUG-23 3FTF 1 AUTHOR JRNL REMARK SEQADV REVDAT 3 2 1 LINK REVDAT 2 13-JUL-11 3FTF 1 VERSN REVDAT 1 24-MAR-09 3FTF 0 JRNL AUTH C.TU,J.E.TROPEA,B.P.AUSTIN,D.L.COURT,D.S.WAUGH,X.JI JRNL TITL STRUCTURAL BASIS FOR BINDING OF RNA AND COFACTOR BY A KSGA JRNL TITL 2 METHYLTRANSFERASE. JRNL REF STRUCTURE V. 17 374 2009 JRNL REFN ISSN 0969-2126 JRNL PMID 19278652 JRNL DOI 10.1016/J.STR.2009.01.010 REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.33 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 85.1 REMARK 3 NUMBER OF REFLECTIONS : 6491 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.241 REMARK 3 R VALUE (WORKING SET) : 0.239 REMARK 3 FREE R VALUE : 0.288 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.500 REMARK 3 FREE R VALUE TEST SET COUNT : 307 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1985 REMARK 3 NUCLEIC ACID ATOMS : 948 REMARK 3 HETEROGEN ATOMS : 27 REMARK 3 SOLVENT ATOMS : 36 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 33.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.68 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.02000 REMARK 3 B22 (A**2) : -0.02000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 1. THE EFFECTIVE RESOLUTION FOR THIS REMARK 3 STRUCTURE IS 3.05 ANGSTROM, AT WHICH THE COMPLETENESS OF X-RAY REMARK 3 DATA > 93% AND THE OBSERVABLE DATA > 70% FOR HIGHEST RESOLUTION REMARK 3 SHELL. 2. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS REMARK 4 REMARK 4 3FTF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-JAN-09. REMARK 100 THE DEPOSITION ID IS D_1000051020. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-OCT-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-BM REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : SI(111) ROSENBAUM-ROCK DOUBLE REMARK 200 CRYSTAL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6848 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.780 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 84.2 REMARK 200 DATA REDUNDANCY : 3.900 REMARK 200 R MERGE (I) : 0.14400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.78 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.88 REMARK 200 COMPLETENESS FOR SHELL (%) : 49.9 REMARK 200 DATA REDUNDANCY IN SHELL : 2.10 REMARK 200 R MERGE FOR SHELL (I) : 0.39700 REMARK 200 R SYM FOR SHELL (I) : 0.34200 REMARK 200 FOR SHELL : 2.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: PDB ENTRY 3FTC REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.36 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M KF, 40% MPD, PH 7.2, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 292K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 29.03700 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL 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 300 REMARK: THE BIOLOGICAL ASSEMBLY CORRESPONDS TO THE CONTENT OF THE REMARK 300 ASYMMETRIC UNIT. 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4180 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18340 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.6 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C, D 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 SER A 0 REMARK 465 GLY A 247 REMARK 465 GLU A 248 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 G C1517 C3' - O3' - P ANGL. DEV. = 7.7 DEGREES 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 VAL A 2 -150.84 -78.19 REMARK 500 ARG A 3 -22.56 63.43 REMARK 500 LEU A 4 88.25 14.01 REMARK 500 LYS A 5 97.18 -52.46 REMARK 500 VAL A 14 70.78 -108.80 REMARK 500 GLU A 30 -66.67 -5.11 REMARK 500 LEU A 69 36.78 -89.83 REMARK 500 LYS A 70 -124.97 -73.66 REMARK 500 CYS A 90 4.00 -65.40 REMARK 500 VAL A 158 -67.95 -103.81 REMARK 500 VAL A 167 -92.29 -73.64 REMARK 500 LYS A 184 -81.59 -75.40 REMARK 500 ASP A 189 79.70 31.16 REMARK 500 ARG A 209 1.19 -64.81 REMARK 500 ALA A 220 6.45 -69.25 REMARK 500 ASP A 225 47.48 -93.43 REMARK 500 GLU A 229 34.95 -85.56 REMARK 500 LEU A 242 66.90 -107.38 REMARK 500 ILE A 243 -34.76 -170.20 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAH A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K D 500 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1QYR RELATED DB: PDB REMARK 900 LIGAND-FREE E. COLI KSGA REMARK 900 RELATED ID: 1ZQ9 RELATED DB: PDB REMARK 900 H. SAPIENS DIM1 IN COMPLEX WITH SAM REMARK 900 RELATED ID: 1G38 RELATED DB: PDB REMARK 900 M.TAQI IN COMPLEX WITH DNA AND COFACTOR ANALOG NEA REMARK 900 RELATED ID: 3FTC RELATED DB: PDB REMARK 900 LIGAND-FREE A. AEOLICUS KSGA (KSGA2) REMARK 900 RELATED ID: 3FTD RELATED DB: PDB REMARK 900 LIGAND-FREE A. AEOLICUS KSGA (KSGA1) REMARK 900 RELATED ID: 3FTE RELATED DB: PDB REMARK 900 A. AEOLICUS KSGA IN COMPLEX WITH RNA (KSGA-RNA) DBREF 3FTF A 1 248 UNP O67680 KSGA_AQUAE 1 248 DBREF 3FTF C 1507 1528 PDB 3FTF 3FTF 1507 1528 DBREF 3FTF D 1507 1528 PDB 3FTF 3FTF 1507 1528 SEQADV 3FTF SER A 0 UNP O67680 EXPRESSION TAG SEQRES 1 A 249 SER MET VAL ARG LEU LYS LYS SER PHE GLY GLN HIS LEU SEQRES 2 A 249 LEU VAL SER GLU GLY VAL LEU LYS LYS ILE ALA GLU GLU SEQRES 3 A 249 LEU ASN ILE GLU GLU GLY ASN THR VAL VAL GLU VAL GLY SEQRES 4 A 249 GLY GLY THR GLY ASN LEU THR LYS VAL LEU LEU GLN HIS SEQRES 5 A 249 PRO LEU LYS LYS LEU TYR VAL ILE GLU LEU ASP ARG GLU SEQRES 6 A 249 MET VAL GLU ASN LEU LYS SER ILE GLY ASP GLU ARG LEU SEQRES 7 A 249 GLU VAL ILE ASN GLU ASP ALA SER LYS PHE PRO PHE CYS SEQRES 8 A 249 SER LEU GLY LYS GLU LEU LYS VAL VAL GLY ASN LEU PRO SEQRES 9 A 249 TYR ASN VAL ALA SER LEU ILE ILE GLU ASN THR VAL TYR SEQRES 10 A 249 ASN LYS ASP CYS VAL PRO LEU ALA VAL PHE MET VAL GLN SEQRES 11 A 249 LYS GLU VAL ALA GLU LYS LEU GLN GLY LYS LYS ASP THR SEQRES 12 A 249 GLY TRP LEU SER VAL PHE VAL ARG THR PHE TYR ASP VAL SEQRES 13 A 249 ASN TYR VAL MET THR VAL PRO PRO ARG PHE PHE VAL PRO SEQRES 14 A 249 PRO PRO LYS VAL GLN SER ALA VAL ILE LYS LEU VAL LYS SEQRES 15 A 249 ASN GLU LYS PHE PRO VAL LYS ASP LEU LYS ASN TYR LYS SEQRES 16 A 249 LYS PHE LEU THR LYS ILE PHE GLN ASN ARG ARG LYS VAL SEQRES 17 A 249 LEU ARG LYS LYS ILE PRO GLU GLU LEU LEU LYS GLU ALA SEQRES 18 A 249 GLY ILE ASN PRO ASP ALA ARG VAL GLU GLN LEU SER LEU SEQRES 19 A 249 GLU ASP PHE PHE LYS LEU TYR ARG LEU ILE GLU ASP SER SEQRES 20 A 249 GLY GLU SEQRES 1 C 22 A A C C G U A G G G G A A SEQRES 2 C 22 C C U G C G G U U SEQRES 1 D 22 A A C C G U A G G G G A A SEQRES 2 D 22 C C U G C G G U U HET SAH A 501 26 HET K D 500 1 HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE HETNAM K POTASSIUM ION FORMUL 4 SAH C14 H20 N6 O5 S FORMUL 5 K K 1+ FORMUL 6 HOH *36(H2 O) HELIX 1 1 SER A 15 GLU A 25 1 11 HELIX 2 2 LEU A 44 LEU A 49 1 6 HELIX 3 3 PRO A 88 LEU A 92 5 5 HELIX 4 4 VAL A 106 ASN A 117 1 12 HELIX 5 5 LYS A 118 VAL A 121 5 4 HELIX 6 6 LYS A 130 GLY A 138 1 9 HELIX 7 7 GLY A 143 THR A 151 1 9 HELIX 8 8 PRO A 162 PHE A 166 5 5 HELIX 9 9 ASP A 189 PHE A 201 1 13 HELIX 10 10 VAL A 207 LYS A 211 5 5 HELIX 11 11 PRO A 213 ALA A 220 1 8 HELIX 12 12 ARG A 227 LEU A 231 5 5 HELIX 13 13 SER A 232 ARG A 241 1 10 SHEET 1 A 7 LEU A 77 ASN A 81 0 SHEET 2 A 7 LYS A 55 GLU A 60 1 N VAL A 58 O ILE A 80 SHEET 3 A 7 THR A 33 VAL A 37 1 N GLU A 36 O TYR A 57 SHEET 4 A 7 LEU A 96 ASN A 101 1 O VAL A 99 N VAL A 35 SHEET 5 A 7 LEU A 123 GLN A 129 1 O MET A 127 N GLY A 100 SHEET 6 A 7 SER A 174 LYS A 181 -1 O LEU A 179 N ALA A 124 SHEET 7 A 7 TYR A 153 VAL A 161 -1 N ASP A 154 O VAL A 180 SSBOND 1 CYS A 90 CYS A 120 1555 1555 2.03 LINK K K D 500 OP2 G D1515 1555 1555 2.58 SITE 1 AC1 18 PHE A 8 GLN A 10 HIS A 11 LEU A 12 SITE 2 AC1 18 LEU A 13 GLY A 38 GLY A 39 GLY A 40 SITE 3 AC1 18 THR A 41 GLY A 42 ASN A 43 ILE A 59 SITE 4 AC1 18 GLU A 60 LEU A 61 ASP A 83 ALA A 84 SITE 5 AC1 18 ASN A 101 PRO A 103 SITE 1 AC2 3 G D1515 G D1516 G D1517 CRYST1 43.130 58.074 68.981 90.00 109.82 90.00 P 1 21 1 4 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 0.023186 0.000000 0.008357 0.00000 SCALE2 0.000000 0.017219 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015410 0.00000