HEADER TRANSPORT PROTEIN 29-NOV-12 4I62 TITLE 1.05 ANGSTROM CRYSTAL STRUCTURE OF AN AMINO ACID ABC TRANSPORTER TITLE 2 SUBSTRATE-BINDING PROTEIN ABPA FROM STREPTOCOCCUS PNEUMONIAE CANADA TITLE 3 MDR_19A BOUND TO L-ARGININE COMPND MOL_ID: 1; COMPND 2 MOLECULE: AMINO ACID ABC TRANSPORTER, PERIPLASMIC AMINO ACID-BINDING COMPND 3 PROTEIN, PUTATIVE; COMPND 4 CHAIN: A; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOCOCCUS PNEUMONIAE; SOURCE 3 ORGANISM_TAXID: 637987; SOURCE 4 STRAIN: CANADA MDR_19A; SOURCE 5 GENE: SPNECM_010100008960; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: P15TV-LIC KEYWDS CENTER FOR STRUCTURAL GENOMICS OF INFECTIOUS DISEASES (CSGID), KEYWDS 2 NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES (NIAID), KEYWDS 3 NIAID, NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES, ALPHA KEYWDS 4 AND BETA PROTEIN, PERIPLASMIC BINDING PROTEIN TYPE II FOLD, KEYWDS 5 TRANSPORT PROTEIN, PUTATIVE AMINO ACID ABC TRANSPORTER SYSTEM KEYWDS 6 SUBSTRATE BINDING PROTEIN, L-ARGININE, PUTATIVE MEMBRANE-ANCHORED KEYWDS 7 LIPOPROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR P.J.STOGIOS,M.KUDRITSKA,Z.WAWRZAK,G.MINASOV,V.YIM,A.SAVCHENKO, AUTHOR 2 W.F.ANDERSON,CENTER FOR STRUCTURAL GENOMICS OF INFECTIOUS DISEASES AUTHOR 3 (CSGID) REVDAT 3 20-SEP-23 4I62 1 REMARK SEQADV REVDAT 2 17-APR-13 4I62 1 TITLE REVDAT 1 12-DEC-12 4I62 0 JRNL AUTH P.J.STOGIOS,M.KUDRITSKA,Z.WAWRZAK,G.MINASOV,V.YIM, JRNL AUTH 2 A.SAVCHENKO,W.F.ANDERSON, JRNL AUTH 3 CENTER FOR STRUCTURAL GENOMICS OF INFECTIOUS DISEASES JRNL AUTH 4 (CSGID) JRNL TITL 1.05 ANGSTROM CRYSTAL STRUCTURE OF AN AMINO ACID ABC JRNL TITL 2 TRANSPORTER SUBSTRATE-BINDING PROTEIN FROM STREPTOCOCCUS JRNL TITL 3 PNEUMONIAE CANADA MDR_19A BOUND TO L-ARGININE JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.05 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8.1_1168) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.05 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 23.07 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 90970 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.166 REMARK 3 R VALUE (WORKING SET) : 0.166 REMARK 3 FREE R VALUE : 0.179 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1999 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 23.0779 - 2.5302 0.95 6221 140 0.1606 0.1617 REMARK 3 2 2.5302 - 2.0087 1.00 6459 146 0.1543 0.1624 REMARK 3 3 2.0087 - 1.7549 1.00 6425 146 0.1570 0.1898 REMARK 3 4 1.7549 - 1.5944 1.00 6418 138 0.1556 0.1738 REMARK 3 5 1.5944 - 1.4802 1.00 6397 149 0.1559 0.1847 REMARK 3 6 1.4802 - 1.3929 1.00 6389 136 0.1646 0.1926 REMARK 3 7 1.3929 - 1.3232 1.00 6435 151 0.1713 0.1705 REMARK 3 8 1.3232 - 1.2656 1.00 6343 141 0.1708 0.2073 REMARK 3 9 1.2656 - 1.2169 1.00 6405 149 0.1759 0.1927 REMARK 3 10 1.2169 - 1.1749 1.00 6411 137 0.1823 0.1961 REMARK 3 11 1.1749 - 1.1381 1.00 6365 146 0.1925 0.1867 REMARK 3 12 1.1381 - 1.1056 1.00 6352 142 0.2059 0.2229 REMARK 3 13 1.1056 - 1.0765 0.99 6368 145 0.2331 0.2563 REMARK 3 14 1.0765 - 1.0502 0.93 5983 133 0.2657 0.2949 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.090 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 19.000 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.011 2051 REMARK 3 ANGLE : 1.457 2790 REMARK 3 CHIRALITY : 0.093 325 REMARK 3 PLANARITY : 0.008 365 REMARK 3 DIHEDRAL : 13.655 831 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN A AND RESI 31:125 REMARK 3 ORIGIN FOR THE GROUP (A): 14.2964 23.7965 39.7171 REMARK 3 T TENSOR REMARK 3 T11: 0.0583 T22: 0.0574 REMARK 3 T33: 0.0558 T12: -0.0079 REMARK 3 T13: -0.0127 T23: -0.0014 REMARK 3 L TENSOR REMARK 3 L11: 1.8639 L22: 1.1674 REMARK 3 L33: 1.6189 L12: 0.2498 REMARK 3 L13: -0.4332 L23: -0.1486 REMARK 3 S TENSOR REMARK 3 S11: 0.0518 S12: -0.1764 S13: -0.0565 REMARK 3 S21: 0.0450 S22: -0.0618 S23: -0.0570 REMARK 3 S31: 0.0601 S32: 0.0267 S33: 0.0131 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN A AND RESI 126:232 REMARK 3 ORIGIN FOR THE GROUP (A): 25.9419 31.7604 21.7286 REMARK 3 T TENSOR REMARK 3 T11: 0.0668 T22: 0.0626 REMARK 3 T33: 0.0651 T12: 0.0067 REMARK 3 T13: -0.0165 T23: -0.0022 REMARK 3 L TENSOR REMARK 3 L11: 1.3096 L22: 1.4011 REMARK 3 L33: 1.6004 L12: 0.6771 REMARK 3 L13: -0.7340 L23: -0.9735 REMARK 3 S TENSOR REMARK 3 S11: -0.0188 S12: 0.0941 S13: -0.0209 REMARK 3 S21: -0.0826 S22: -0.0148 S23: -0.0268 REMARK 3 S31: 0.0174 S32: 0.0197 S33: 0.0314 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN A AND RESI 233:268 REMARK 3 ORIGIN FOR THE GROUP (A): 4.1879 26.6935 33.5903 REMARK 3 T TENSOR REMARK 3 T11: 0.0592 T22: 0.1042 REMARK 3 T33: 0.0604 T12: 0.0196 REMARK 3 T13: -0.0039 T23: -0.0291 REMARK 3 L TENSOR REMARK 3 L11: 2.3204 L22: 4.4757 REMARK 3 L33: 1.8029 L12: 1.1523 REMARK 3 L13: -0.0857 L23: -1.0967 REMARK 3 S TENSOR REMARK 3 S11: 0.0210 S12: 0.0295 S13: 0.2208 REMARK 3 S21: -0.1991 S22: 0.0561 S23: 0.4155 REMARK 3 S31: -0.0299 S32: -0.1730 S33: -0.0546 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4I62 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-DEC-12. REMARK 100 THE DEPOSITION ID IS D_1000076349. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-OCT-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-G REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9786 REMARK 200 MONOCHROMATOR : C(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-3000 REMARK 200 DATA SCALING SOFTWARE : HKL-3000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 91003 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.050 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 6.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04400 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 30.5800 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.05 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.2 REMARK 200 DATA REDUNDANCY IN SHELL : 5.10 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.60700 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.580 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: 1WDN REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 27.97 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.93 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M HEPES PH 7.0, 30% JEFFAMINE ED REMARK 280 -2001 PH 7.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K 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 27.51400 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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 GLY A 0 REMARK 465 MET A 1 REMARK 465 ASN A 2 REMARK 465 LYS A 3 REMARK 465 MET A 4 REMARK 465 LYS A 5 REMARK 465 LYS A 6 REMARK 465 VAL A 7 REMARK 465 LEU A 8 REMARK 465 MET A 9 REMARK 465 THR A 10 REMARK 465 MET A 11 REMARK 465 PHE A 12 REMARK 465 GLY A 13 REMARK 465 LEU A 14 REMARK 465 VAL A 15 REMARK 465 MET A 16 REMARK 465 LEU A 17 REMARK 465 PRO A 18 REMARK 465 LEU A 19 REMARK 465 LEU A 20 REMARK 465 PHE A 21 REMARK 465 ALA A 22 REMARK 465 CYS A 23 REMARK 465 SER A 24 REMARK 465 ASN A 25 REMARK 465 ASN A 26 REMARK 465 GLN A 27 REMARK 465 SER A 28 REMARK 465 ALA A 29 REMARK 465 GLY A 30 REMARK 465 GLU A 221 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 ASP A 47 53.16 -141.78 REMARK 500 PHE A 48 52.81 -159.19 REMARK 500 SER A 106 38.30 -157.87 REMARK 500 LEU A 168 52.98 -105.64 REMARK 500 SER A 234 62.70 -117.69 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 ARG A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 303 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: CSGID-IDP91967 RELATED DB: TARGETTRACK DBREF 4I62 A 1 268 UNP Q04MW8 Q04MW8_STRP2 1 268 SEQADV 4I62 GLY A 0 UNP Q04MW8 EXPRESSION TAG SEQRES 1 A 269 GLY MET ASN LYS MET LYS LYS VAL LEU MET THR MET PHE SEQRES 2 A 269 GLY LEU VAL MET LEU PRO LEU LEU PHE ALA CYS SER ASN SEQRES 3 A 269 ASN GLN SER ALA GLY ILE GLU ALA ILE LYS SER LYS GLY SEQRES 4 A 269 LYS LEU VAL VAL ALA LEU ASN PRO ASP PHE ALA PRO PHE SEQRES 5 A 269 GLU TYR GLN LYS VAL VAL ASP GLY LYS ASN GLN ILE VAL SEQRES 6 A 269 GLY SER ASP ILE GLU LEU ALA LYS ALA ILE ALA THR GLU SEQRES 7 A 269 LEU GLY VAL GLU LEU GLU LEU SER PRO MET SER PHE ASP SEQRES 8 A 269 ASN VAL LEU ALA SER VAL GLN SER GLY LYS ALA ASP LEU SEQRES 9 A 269 ALA ILE SER GLY VAL SER LYS THR ASP GLU ARG SER LYS SEQRES 10 A 269 VAL PHE ASP PHE SER THR PRO TYR TYR THR ALA LYS ASN SEQRES 11 A 269 LYS LEU ILE VAL LYS LYS SER ASP LEU ALA THR TYR GLN SEQRES 12 A 269 SER VAL ASN ASP LEU ALA GLN LYS LYS VAL GLY ALA GLN SEQRES 13 A 269 LYS GLY SER ILE GLN GLU THR MET ALA LYS ASP LEU LEU SEQRES 14 A 269 GLN ASN SER SER LEU VAL SER LEU PRO LYS ASN GLY ASN SEQRES 15 A 269 LEU ILE THR ASP LEU LYS SER GLY GLN VAL ASP ALA VAL SEQRES 16 A 269 ILE PHE GLU GLU PRO VAL ALA LYS GLY PHE VAL GLU ASN SEQRES 17 A 269 ASN PRO ASP LEU ALA ILE ALA ASP LEU ASN PHE GLU LYS SEQRES 18 A 269 GLU GLN ASP ASP SER TYR ALA VAL ALA MET LYS LYS ASP SEQRES 19 A 269 SER LYS GLU LEU LYS GLU ALA VAL ASP LYS THR ILE GLN SEQRES 20 A 269 LYS LEU LYS GLU SER GLY GLU LEU ASP LYS LEU ILE GLU SEQRES 21 A 269 ASP ALA PHE LYS ALA SER ILE GLU LYS HET ARG A 301 12 HET CL A 302 1 HET CL A 303 1 HETNAM ARG ARGININE HETNAM CL CHLORIDE ION FORMUL 2 ARG C6 H15 N4 O2 1+ FORMUL 3 CL 2(CL 1-) FORMUL 5 HOH *337(H2 O) HELIX 1 1 ILE A 31 GLY A 38 1 8 HELIX 2 2 GLY A 65 GLY A 79 1 15 HELIX 3 3 SER A 88 SER A 98 1 11 HELIX 4 4 THR A 111 LYS A 116 1 6 HELIX 5 5 SER A 136 LEU A 138 5 3 HELIX 6 6 SER A 143 ALA A 148 5 6 HELIX 7 7 SER A 158 LEU A 168 1 11 HELIX 8 8 LYS A 178 SER A 188 1 11 HELIX 9 9 GLU A 198 ASN A 208 1 11 HELIX 10 10 SER A 234 SER A 251 1 18 HELIX 11 11 GLY A 252 SER A 265 1 14 SHEET 1 A 3 GLU A 81 PRO A 86 0 SHEET 2 A 3 LYS A 39 LEU A 44 1 N LEU A 40 O GLU A 83 SHEET 3 A 3 LEU A 103 ALA A 104 1 O LEU A 103 N ALA A 43 SHEET 1 B 2 TYR A 53 VAL A 57 0 SHEET 2 B 2 LYS A 60 VAL A 64 -1 O LYS A 60 N VAL A 57 SHEET 1 C 2 PHE A 118 PHE A 120 0 SHEET 2 C 2 ALA A 229 LYS A 231 -1 O MET A 230 N ASP A 119 SHEET 1 D 2 TYR A 125 THR A 126 0 SHEET 2 D 2 SER A 225 TYR A 226 -1 O TYR A 226 N TYR A 125 SHEET 1 E 5 SER A 172 LEU A 176 0 SHEET 2 E 5 LYS A 151 GLN A 155 1 N VAL A 152 O SER A 172 SHEET 3 E 5 ALA A 193 GLU A 197 1 O ALA A 193 N GLY A 153 SHEET 4 E 5 ASN A 129 LYS A 134 -1 N ILE A 132 O VAL A 194 SHEET 5 E 5 LEU A 211 ILE A 213 -1 O ALA A 212 N VAL A 133 CISPEP 1 ALA A 49 PRO A 50 0 10.41 SITE 1 AC1 16 ASN A 45 PHE A 48 GLU A 52 PHE A 89 SITE 2 AC1 16 SER A 106 GLY A 107 VAL A 108 SER A 109 SITE 3 AC1 16 ARG A 114 GLN A 155 SER A 158 ILE A 159 SITE 4 AC1 16 GLN A 160 ASN A 179 GLU A 197 TYR A 226 SITE 1 AC2 3 PRO A 177 LYS A 178 ASN A 181 SITE 1 AC3 6 ILE A 31 SER A 234 GLU A 236 LEU A 237 SITE 2 AC3 6 HOH A 439 HOH A 644 CRYST1 42.682 55.028 46.673 90.00 114.09 90.00 P 1 21 1 2 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 0.023429 0.000000 0.010477 0.00000 SCALE2 0.000000 0.018173 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023470 0.00000