2ZNI - Header Asymmetric Unit

HEADER LIGASE/RNA 25-APR-08 2ZNI

TITLE CRYSTAL STRUCTURE OF PYRROLYSYL-TRNA SYNTHETASE-TRNA(PYL) TITLE 2 COMPLEX FROM DESULFITOBACTERIUM HAFNIENSE

COMPND MOL_ID: 1; COMPND 2 MOLECULE: PYRROLYSYL-TRNA SYNTHETASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: BACTERIAL PROTEIN; COMPND 5 EC: 6.1.1.26; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: BACTERIAL TRNA; COMPND 9 CHAIN: C, D; COMPND 10 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DESULFITOBACTERIUM HAFNIENSE; SOURCE 3 ORGANISM_TAXID: 49338; SOURCE 4 GENE: PYLS; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)CODONPLUS; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET-15B; SOURCE 10 MOL_ID: 2; SOURCE 11 SYNTHETIC: YES; SOURCE 12 OTHER_DETAILS: TRANSCRIBED IN VITRO WITH T7 RNA POLYMERASE

KEYWDS LIGASE/RNA COMPLEX

EXPDTA X-RAY DIFFRACTION

AUTHOR K.NOZAWA,Y.ARAISO,D.SOLL,R.ISHITANI,O.NUREKI

REVDAT 2 03-MAR-09 2ZNI 1 JRNL REVDAT 1 30-DEC-08 2ZNI 0

JRNL AUTH K.NOZAWA,P.O'DONOGHUE,S.GUNDLLAPALLI,Y.ARAISO, JRNL AUTH 2 R.ISHITANI,T.UMEHARA,D.SOLL,O.NUREKI JRNL TITL PYRROLYSYL-TRNA SYNTHETASE-TRNA(PYL) STRUCTURE JRNL TITL 2 REVEALS THE MOLECULAR BASIS OF ORTHOGONALITY JRNL REF NATURE V. 457 1163 2009 JRNL REFN ISSN 0028-0836 JRNL PMID 19118381 JRNL DOI 10.1038/NATURE07611

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 3.10 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VICENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE- REMARK 3 : KUNSTLEVE,LI-WEI HUNG,ROBERT IMMORMINO, REMARK 3 : TOM IOERGER,AIRLIE MCCOY,ERIK MCKEE,NIGEL REMARK 3 : MORIARTY,REETAL PAI,RANDY READ,JANE REMARK 3 : RICHARDSON,DAVID RICHARDSON,TOD ROMO,JIM REMARK 3 : SACCHETTINI,NICHOLAS SAUTER,JACOB SMITH, REMARK 3 : LAURENT STORONI,TOM TERWILLIGER,PETER REMARK 3 : ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 46.64 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.480 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.4 REMARK 3 NUMBER OF REFLECTIONS : 21576 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.228 REMARK 3 R VALUE (WORKING SET) : 0.224 REMARK 3 FREE R VALUE : 0.296 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.880 REMARK 3 FREE R VALUE TEST SET COUNT : 1053 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 46.6410 - 6.1960 0.99 2740 171 0.2170 0.2800 REMARK 3 2 6.1960 - 4.9200 0.99 2647 111 0.1830 0.2820 REMARK 3 3 4.9200 - 4.2990 0.99 2589 138 0.1690 0.2380 REMARK 3 4 4.2990 - 3.9060 0.99 2585 112 0.1970 0.3060 REMARK 3 5 3.9060 - 3.6260 0.99 2541 131 0.2370 0.2920 REMARK 3 6 3.6260 - 3.4120 0.99 2532 126 0.2690 0.3450 REMARK 3 7 3.4120 - 3.2410 0.98 2480 150 0.2950 0.3810 REMARK 3 8 3.2410 - 3.1000 0.94 2409 114 0.3370 0.3750 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 : 0.30 REMARK 3 B_SOL : 50.20 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : NULL REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 79.37 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 121.36 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 16.95300 REMARK 3 B22 (A**2) : 16.95300 REMARK 3 B33 (A**2) : -33.90700 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 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 : 0.007 8068 REMARK 3 ANGLE : 1.325 11608 REMARK 3 CHIRALITY : 0.067 1398 REMARK 3 PLANARITY : 0.004 946 REMARK 3 DIHEDRAL : 20.715 3166 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 8 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN A AND RESID 10:69 REMARK 3 ORIGIN FOR THE GROUP (A): -20.9618 11.6957 31.4216 REMARK 3 T TENSOR REMARK 3 T11: 0.8413 T22: 0.9260 REMARK 3 T33: 0.7487 T12: -0.0765 REMARK 3 T13: -0.1444 T23: 0.0315 REMARK 3 L TENSOR REMARK 3 L11: 0.5490 L22: 1.0920 REMARK 3 L33: 1.1249 L12: -0.0334 REMARK 3 L13: -0.4329 L23: -0.0041 REMARK 3 S TENSOR REMARK 3 S11: 0.1600 S12: -1.0052 S13: -0.3798 REMARK 3 S21: 1.4149 S22: 0.1995 S23: 0.1965 REMARK 3 S31: 1.4500 S32: -0.1366 S33: 0.0147 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN A AND RESID 70:288 REMARK 3 ORIGIN FOR THE GROUP (A): -24.1815 9.7695 -1.5559 REMARK 3 T TENSOR REMARK 3 T11: 0.4258 T22: 0.6558 REMARK 3 T33: 0.6699 T12: -0.2427 REMARK 3 T13: -0.0695 T23: 0.0223 REMARK 3 L TENSOR REMARK 3 L11: 1.6674 L22: 2.7225 REMARK 3 L33: 3.9973 L12: -0.3682 REMARK 3 L13: 0.3246 L23: 0.6747 REMARK 3 S TENSOR REMARK 3 S11: 0.2292 S12: 0.0472 S13: -0.2730 REMARK 3 S21: -0.0806 S22: -0.1903 S23: 0.4772 REMARK 3 S31: 0.8774 S32: -1.1294 S33: 0.0002 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN B AND RESID 10:69 REMARK 3 ORIGIN FOR THE GROUP (A): -6.1895 25.3028 -28.6128 REMARK 3 T TENSOR REMARK 3 T11: 0.7890 T22: 0.8471 REMARK 3 T33: 0.8233 T12: 0.1397 REMARK 3 T13: 0.1246 T23: -0.1638 REMARK 3 L TENSOR REMARK 3 L11: 1.0831 L22: 0.8968 REMARK 3 L33: 0.3730 L12: 0.3891 REMARK 3 L13: -0.4505 L23: -0.7314 REMARK 3 S TENSOR REMARK 3 S11: -0.2604 S12: 0.7941 S13: 0.3910 REMARK 3 S21: -0.6463 S22: 0.2442 S23: -0.3363 REMARK 3 S31: -0.3688 S32: 0.7938 S33: -0.0099 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: CHAIN B AND RESID 70:288 REMARK 3 ORIGIN FOR THE GROUP (A): -7.6005 31.2343 4.2007 REMARK 3 T TENSOR REMARK 3 T11: 0.3920 T22: 0.3449 REMARK 3 T33: 0.7451 T12: 0.0364 REMARK 3 T13: 0.0520 T23: -0.1215 REMARK 3 L TENSOR REMARK 3 L11: 2.7369 L22: 1.5194 REMARK 3 L33: 3.6926 L12: 0.4012 REMARK 3 L13: -0.0663 L23: -0.3495 REMARK 3 S TENSOR REMARK 3 S11: 0.3170 S12: -0.1181 S13: 0.5557 REMARK 3 S21: -0.2107 S22: -0.2886 S23: -0.1286 REMARK 3 S31: -1.3148 S32: 0.2495 S33: -0.0041 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: CHAIN C AND (RESID 1:24 OR RESID 46:76) REMARK 3 ORIGIN FOR THE GROUP (A): -25.1368 31.6305 -30.8227 REMARK 3 T TENSOR REMARK 3 T11: 1.3226 T22: 1.2460 REMARK 3 T33: 0.7781 T12: 0.1586 REMARK 3 T13: 0.0758 T23: 0.0887 REMARK 3 L TENSOR REMARK 3 L11: 4.8740 L22: 1.7371 REMARK 3 L33: 0.1307 L12: -2.3412 REMARK 3 L13: 1.2286 L23: -2.4594 REMARK 3 S TENSOR REMARK 3 S11: 0.2101 S12: 0.6212 S13: -0.1096 REMARK 3 S21: -0.4327 S22: -0.5539 S23: 0.2359 REMARK 3 S31: -0.1802 S32: -0.3822 S33: 0.0014 REMARK 3 TLS GROUP : 6 REMARK 3 SELECTION: CHAIN C AND RESID 25:45 REMARK 3 ORIGIN FOR THE GROUP (A): -8.3268 5.0434 -43.4944 REMARK 3 T TENSOR REMARK 3 T11: 1.8714 T22: 2.2249 REMARK 3 T33: 1.8108 T12: 0.4946 REMARK 3 T13: -0.0905 T23: -0.5973 REMARK 3 L TENSOR REMARK 3 L11: -0.2275 L22: 1.2923 REMARK 3 L33: 1.0433 L12: 0.4339 REMARK 3 L13: 0.1089 L23: -0.1568 REMARK 3 S TENSOR REMARK 3 S11: 0.6643 S12: 3.8551 S13: -3.1223 REMARK 3 S21: -0.0460 S22: -0.8263 S23: -0.7290 REMARK 3 S31: 2.3144 S32: 0.7258 S33: 0.0026 REMARK 3 TLS GROUP : 7 REMARK 3 SELECTION: CHAIN D AND (RESID 1:24 OR RESID 46:76) REMARK 3 ORIGIN FOR THE GROUP (A): -32.0164 28.8150 31.7693 REMARK 3 T TENSOR REMARK 3 T11: 0.9051 T22: 1.4647 REMARK 3 T33: 0.7748 T12: -0.0693 REMARK 3 T13: 0.0033 T23: -0.1636 REMARK 3 L TENSOR REMARK 3 L11: 1.6799 L22: 1.1288 REMARK 3 L33: 2.3439 L12: -3.1001 REMARK 3 L13: -2.8628 L23: -1.1296 REMARK 3 S TENSOR REMARK 3 S11: 0.0611 S12: -0.1106 S13: 0.1122 REMARK 3 S21: 0.0998 S22: -0.0895 S23: 0.2780 REMARK 3 S31: -0.9822 S32: -0.8799 S33: 0.0010 REMARK 3 TLS GROUP : 8 REMARK 3 SELECTION: CHAIN D AND RESID 25:45 REMARK 3 ORIGIN FOR THE GROUP (A): -3.5284 19.7429 46.7336 REMARK 3 T TENSOR REMARK 3 T11: 1.6060 T22: 2.3352 REMARK 3 T33: 1.3265 T12: 0.4096 REMARK 3 T13: -0.2141 T23: 0.1427 REMARK 3 L TENSOR REMARK 3 L11: 2.0583 L22: 0.5533 REMARK 3 L33: 1.3369 L12: 2.6098 REMARK 3 L13: -0.9390 L23: -0.9710 REMARK 3 S TENSOR REMARK 3 S11: -0.5969 S12: -2.1127 S13: -0.9573 REMARK 3 S21: 2.3884 S22: 0.0174 S23: -1.6056 REMARK 3 S31: 1.5962 S32: 2.8563 S33: -0.0039 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 8 TLS GROUPS ARE USED

REMARK 4 REMARK 4 2ZNI COMPLIES WITH FORMAT V. 3.20, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 08-MAY-08. REMARK 100 THE RCSB ID CODE IS RCSB028190.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-OCT-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL41XU REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97942 REMARK 200 MONOCHROMATOR : ROTATED-INCLINED DOUBLE REMARK 200 CRYSTAL MONOCHROMATOR REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21576 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.100 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 200 DATA REDUNDANCY : 8.100 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07400 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 18.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PYLS REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.73 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.45 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 90MM MES (PH6.0), 5.4% 2-PROPANOL, REMARK 280 180MM CALCIUM ACETATE, 2% ETHANOL, 10MM TRIS-CL (PH8.5), VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 293K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 107.02200 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 51.81350 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 51.81350 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 160.53300 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 51.81350 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 51.81350 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 53.51100 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 51.81350 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 51.81350 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 160.53300 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 51.81350 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 51.81350 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 53.51100 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 107.02200 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 13280 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 42710 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -167.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, D, B, C 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 MET A -19 REMARK 465 GLY A -18 REMARK 465 SER A -17 REMARK 465 SER A -16 REMARK 465 HIS A -15 REMARK 465 HIS A -14 REMARK 465 HIS A -13 REMARK 465 HIS A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 SER A -9 REMARK 465 SER A -8 REMARK 465 GLY A -7 REMARK 465 LEU A -6 REMARK 465 VAL A -5 REMARK 465 PRO A -4 REMARK 465 ARG A -3 REMARK 465 GLY A -2 REMARK 465 SER A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 465 PHE A 2 REMARK 465 LEU A 3 REMARK 465 THR A 4 REMARK 465 ARG A 5 REMARK 465 ARG A 6 REMARK 465 ASP A 7 REMARK 465 PRO A 8 REMARK 465 PRO A 9 REMARK 465 MET B -19 REMARK 465 GLY B -18 REMARK 465 SER B -17 REMARK 465 SER B -16 REMARK 465 HIS B -15 REMARK 465 HIS B -14 REMARK 465 HIS B -13 REMARK 465 HIS B -12 REMARK 465 HIS B -11 REMARK 465 HIS B -10 REMARK 465 SER B -9 REMARK 465 SER B -8 REMARK 465 GLY B -7 REMARK 465 LEU B -6 REMARK 465 VAL B -5 REMARK 465 PRO B -4 REMARK 465 ARG B -3 REMARK 465 GLY B -2 REMARK 465 SER B -1 REMARK 465 HIS B 0 REMARK 465 MET B 1 REMARK 465 PHE B 2 REMARK 465 LEU B 3 REMARK 465 THR B 4 REMARK 465 ARG B 5 REMARK 465 ARG B 6 REMARK 465 ASP B 7 REMARK 465 PRO B 8 REMARK 465 PRO B 9

REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT 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 O2' A D 58 OP2 U D 60 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 G C 1 P G C 1 OP3 -0.132 REMARK 500 G D 1 P G D 1 OP3 -0.124 REMARK 500 REMARK 500 REMARK: NULL 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 U C 7 O5' - C5' - C4' ANGL. DEV. = -5.8 DEGREES REMARK 500 U C 19 O4' - C1' - N1 ANGL. DEV. = 4.2 DEGREES REMARK 500 A C 36 C3' - O3' - P ANGL. DEV. = 7.6 DEGREES REMARK 500 G C 55 C1' - O4' - C4' ANGL. DEV. = -6.2 DEGREES REMARK 500 U D 12 C4' - C3' - C2' ANGL. DEV. = -7.0 DEGREES REMARK 500 A D 22 O4' - C1' - N9 ANGL. DEV. = 6.1 DEGREES REMARK 500 G D 44 C4' - C3' - C2' ANGL. DEV. = -6.8 DEGREES REMARK 500 G D 47 C3' - C2' - C1' ANGL. DEV. = 4.9 DEGREES REMARK 500 C D 50 C3' - C2' - C1' ANGL. DEV. = -4.6 DEGREES REMARK 500 G D 52 C3' - O3' - P ANGL. DEV. = -8.6 DEGREES REMARK 500 G D 55 C1' - O4' - C4' ANGL. DEV. = -5.9 DEGREES REMARK 500 G D 55 C4' - C3' - C2' ANGL. DEV. = -7.5 DEGREES REMARK 500 G D 55 O4' - C1' - N9 ANGL. DEV. = 7.1 DEGREES REMARK 500 G D 64 C4' - C3' - C2' ANGL. DEV. = -6.1 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 SER A 11 25.14 -177.17 REMARK 500 TRP A 14 121.86 -20.62 REMARK 500 ASN A 26 31.08 85.72 REMARK 500 GLU A 33 -98.72 -75.66 REMARK 500 MET A 34 94.73 48.85 REMARK 500 ASP A 38 168.29 158.78 REMARK 500 PHE A 46 -77.57 -55.74 REMARK 500 MET A 54 -7.62 -53.82 REMARK 500 VAL A 67 -52.09 -133.57 REMARK 500 LYS A 82 -30.52 -39.22 REMARK 500 ILE A 98 -166.73 -104.39 REMARK 500 MET A 106 35.54 -93.84 REMARK 500 THR A 107 52.30 31.23 REMARK 500 ILE A 108 -80.63 -81.88 REMARK 500 GLU A 110 0.43 -66.93 REMARK 500 PRO A 113 6.37 -55.38 REMARK 500 ASP A 122 -166.25 162.80 REMARK 500 ARG A 128 107.86 -58.86 REMARK 500 GLN A 164 89.49 -157.86 REMARK 500 GLU A 200 3.81 -69.15 REMARK 500 ARG A 205 -88.48 -106.52 REMARK 500 GLU A 206 102.53 -52.04 REMARK 500 LEU A 209 77.43 -101.77 REMARK 500 VAL A 215 21.55 -77.59 REMARK 500 ASP A 219 54.31 -110.70 REMARK 500 PHE A 247 71.06 -116.23 REMARK 500 LEU A 280 99.20 179.69 REMARK 500 ASN A 286 46.56 -77.65 REMARK 500 PHE B 13 -141.45 -75.74 REMARK 500 LYS B 16 -70.40 -44.94 REMARK 500 VAL B 17 -71.13 -47.76 REMARK 500 GLU B 24 -36.34 -38.17 REMARK 500 ASN B 26 63.06 78.21 REMARK 500 GLU B 30 -74.32 -52.83 REMARK 500 GLU B 33 25.00 -68.58 REMARK 500 ASP B 38 -158.56 -126.55 REMARK 500 PHE B 46 -80.73 -41.80 REMARK 500 GLU B 50 -72.65 -27.99 REMARK 500 GLN B 63 -71.52 -56.44 REMARK 500 VAL B 67 -49.21 -134.78 REMARK 500 HIS B 69 4.58 49.02 REMARK 500 MET B 106 42.99 -89.89 REMARK 500 THR B 107 71.12 17.43 REMARK 500 GLU B 110 4.79 -66.24 REMARK 500 PRO B 113 -13.82 -49.20 REMARK 500 ASP B 122 -149.15 -168.43 REMARK 500 CYS B 126 139.44 -171.24 REMARK 500 SER B 163 97.95 -68.70 REMARK 500 GLN B 164 109.12 -161.44 REMARK 500 PRO B 183 122.18 -35.02 REMARK 500 GLU B 186 14.34 -69.95 REMARK 500 ASP B 193 -81.32 -52.95 REMARK 500 MET B 194 -61.50 -21.86 REMARK 500 GLU B 200 -16.93 -49.70 REMARK 500 VAL B 210 101.42 -48.40 REMARK 500 SER B 214 -150.39 -141.40 REMARK 500 VAL B 215 -48.01 -136.26 REMARK 500 TYR B 217 38.74 -95.66 REMARK 500 LEU B 257 -79.71 24.85 REMARK 500 ASP B 281 54.00 87.42 REMARK 500 ILE B 287 170.03 -56.89 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 CA C 77 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA C 78 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA C 79 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA C 81 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA D 77 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA D 78 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA D 79 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA D 81 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA D 82

DBREF 2ZNI A 1 288 UNP B0S4P3 B0S4P3_DESHA 1 288 DBREF 2ZNI B 1 288 UNP B0S4P3 B0S4P3_DESHA 1 288 DBREF 2ZNI C 1 76 PDB 2ZNI 2ZNI 1 72 DBREF 2ZNI D 1 76 PDB 2ZNI 2ZNI 1 72

SEQADV 2ZNI MET A -19 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI GLY A -18 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI SER A -17 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI SER A -16 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI HIS A -15 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI HIS A -14 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI HIS A -13 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI HIS A -12 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI HIS A -11 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI HIS A -10 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI SER A -9 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI SER A -8 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI GLY A -7 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI LEU A -6 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI VAL A -5 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI PRO A -4 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI ARG A -3 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI GLY A -2 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI SER A -1 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI HIS A 0 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI MET B -19 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI GLY B -18 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI SER B -17 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI SER B -16 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI HIS B -15 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI HIS B -14 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI HIS B -13 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI HIS B -12 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI HIS B -11 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI HIS B -10 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI SER B -9 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI SER B -8 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI GLY B -7 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI LEU B -6 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI VAL B -5 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI PRO B -4 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI ARG B -3 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI GLY B -2 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI SER B -1 UNP B0S4P3 EXPRESSION TAG SEQADV 2ZNI HIS B 0 UNP B0S4P3 EXPRESSION TAG

SEQRES 1 A 308 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 A 308 LEU VAL PRO ARG GLY SER HIS MET PHE LEU THR ARG ARG SEQRES 3 A 308 ASP PRO PRO LEU SER SER PHE TRP THR LYS VAL GLN TYR SEQRES 4 A 308 GLN ARG LEU LYS GLU LEU ASN ALA SER GLY GLU GLN LEU SEQRES 5 A 308 GLU MET GLY PHE SER ASP ALA LEU SER ARG ASP ARG ALA SEQRES 6 A 308 PHE GLN GLY ILE GLU HIS GLN LEU MET SER GLN GLY LYS SEQRES 7 A 308 ARG HIS LEU GLU GLN LEU ARG THR VAL LYS HIS ARG PRO SEQRES 8 A 308 ALA LEU LEU GLU LEU GLU GLU LYS LEU ALA LYS ALA LEU SEQRES 9 A 308 HIS GLN GLN GLY PHE VAL GLN VAL VAL THR PRO THR ILE SEQRES 10 A 308 ILE THR LYS SER ALA LEU ALA LYS MET THR ILE GLY GLU SEQRES 11 A 308 ASP HIS PRO LEU PHE SER GLN VAL PHE TRP LEU ASP GLY SEQRES 12 A 308 LYS LYS CYS LEU ARG PRO MET LEU ALA PRO ASN LEU TYR SEQRES 13 A 308 THR LEU TRP ARG GLU LEU GLU ARG LEU TRP ASP LYS PRO SEQRES 14 A 308 ILE ARG ILE PHE GLU ILE GLY THR CYS TYR ARG LYS GLU SEQRES 15 A 308 SER GLN GLY ALA GLN HIS LEU ASN GLU PHE THR MET LEU SEQRES 16 A 308 ASN LEU THR GLU LEU GLY THR PRO LEU GLU GLU ARG HIS SEQRES 17 A 308 GLN ARG LEU GLU ASP MET ALA ARG TRP VAL LEU GLU ALA SEQRES 18 A 308 ALA GLY ILE ARG GLU PHE GLU LEU VAL THR GLU SER SER SEQRES 19 A 308 VAL VAL TYR GLY ASP THR VAL ASP VAL MET LYS GLY ASP SEQRES 20 A 308 LEU GLU LEU ALA SER GLY ALA MET GLY PRO HIS PHE LEU SEQRES 21 A 308 ASP GLU LYS TRP GLU ILE PHE ASP PRO TRP VAL GLY LEU SEQRES 22 A 308 GLY PHE GLY LEU GLU ARG LEU LEU MET ILE ARG GLU GLY SEQRES 23 A 308 THR GLN HIS VAL GLN SER MET ALA ARG SER LEU SER TYR SEQRES 24 A 308 LEU ASP GLY VAL ARG LEU ASN ILE ASN SEQRES 1 B 308 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 B 308 LEU VAL PRO ARG GLY SER HIS MET PHE LEU THR ARG ARG SEQRES 3 B 308 ASP PRO PRO LEU SER SER PHE TRP THR LYS VAL GLN TYR SEQRES 4 B 308 GLN ARG LEU LYS GLU LEU ASN ALA SER GLY GLU GLN LEU SEQRES 5 B 308 GLU MET GLY PHE SER ASP ALA LEU SER ARG ASP ARG ALA SEQRES 6 B 308 PHE GLN GLY ILE GLU HIS GLN LEU MET SER GLN GLY LYS SEQRES 7 B 308 ARG HIS LEU GLU GLN LEU ARG THR VAL LYS HIS ARG PRO SEQRES 8 B 308 ALA LEU LEU GLU LEU GLU GLU LYS LEU ALA LYS ALA LEU SEQRES 9 B 308 HIS GLN GLN GLY PHE VAL GLN VAL VAL THR PRO THR ILE SEQRES 10 B 308 ILE THR LYS SER ALA LEU ALA LYS MET THR ILE GLY GLU SEQRES 11 B 308 ASP HIS PRO LEU PHE SER GLN VAL PHE TRP LEU ASP GLY SEQRES 12 B 308 LYS LYS CYS LEU ARG PRO MET LEU ALA PRO ASN LEU TYR SEQRES 13 B 308 THR LEU TRP ARG GLU LEU GLU ARG LEU TRP ASP LYS PRO SEQRES 14 B 308 ILE ARG ILE PHE GLU ILE GLY THR CYS TYR ARG LYS GLU SEQRES 15 B 308 SER GLN GLY ALA GLN HIS LEU ASN GLU PHE THR MET LEU SEQRES 16 B 308 ASN LEU THR GLU LEU GLY THR PRO LEU GLU GLU ARG HIS SEQRES 17 B 308 GLN ARG LEU GLU ASP MET ALA ARG TRP VAL LEU GLU ALA SEQRES 18 B 308 ALA GLY ILE ARG GLU PHE GLU LEU VAL THR GLU SER SER SEQRES 19 B 308 VAL VAL TYR GLY ASP THR VAL ASP VAL MET LYS GLY ASP SEQRES 20 B 308 LEU GLU LEU ALA SER GLY ALA MET GLY PRO HIS PHE LEU SEQRES 21 B 308 ASP GLU LYS TRP GLU ILE PHE ASP PRO TRP VAL GLY LEU SEQRES 22 B 308 GLY PHE GLY LEU GLU ARG LEU LEU MET ILE ARG GLU GLY SEQRES 23 B 308 THR GLN HIS VAL GLN SER MET ALA ARG SER LEU SER TYR SEQRES 24 B 308 LEU ASP GLY VAL ARG LEU ASN ILE ASN SEQRES 1 C 72 G G G G G G U G G A U C G SEQRES 2 C 72 A A U A G A U C A C A C G SEQRES 3 C 72 G A C U C U A A A U U C G SEQRES 4 C 72 U G C A G G C G G G U G A SEQRES 5 C 72 A A C U C C C G U A C U C SEQRES 6 C 72 C C C G C C A SEQRES 1 D 72 G G G G G G U G G A U C G SEQRES 2 D 72 A A U A G A U C A C A C G SEQRES 3 D 72 G A C U C U A A A U U C G SEQRES 4 D 72 U G C A G G C G G G U G A SEQRES 5 D 72 A A C U C C C G U A C U C SEQRES 6 D 72 C C C G C C A

HET CA C 77 1 HET CA C 78 1 HET CA C 79 1 HET CA C 80 1 HET CA C 81 1 HET CA C 82 1 HET CA D 77 1 HET CA D 78 1 HET CA D 79 1 HET CA D 80 1 HET CA D 81 1 HET CA D 82 1 HET CA D 83 1

HETNAM CA CALCIUM ION

FORMUL 5 CA 13(CA 2+)

HELIX 1 1 THR A 15 LEU A 25 1 11 HELIX 2 2 SER A 28 GLU A 33 1 6 HELIX 3 3 ALA A 39 VAL A 67 1 29 HELIX 4 4 LEU A 73 GLN A 87 1 15 HELIX 5 5 LYS A 100 LYS A 105 1 6 HELIX 6 6 LEU A 131 TRP A 146 1 16 HELIX 7 7 GLU A 186 GLU A 200 1 15 HELIX 8 8 LEU A 240 TRP A 244 5 5 HELIX 9 9 LEU A 257 GLU A 265 1 9 HELIX 10 10 THR B 15 LEU B 25 1 11 HELIX 11 11 SER B 28 GLU B 33 1 6 HELIX 12 12 SER B 41 VAL B 67 1 27 HELIX 13 13 PRO B 71 GLN B 86 1 16 HELIX 14 14 LYS B 100 LYS B 105 1 6 HELIX 15 15 LEU B 131 ARG B 144 1 14 HELIX 16 16 GLU B 186 GLY B 203 1 18 HELIX 17 17 LEU B 257 GLU B 265 1 9 HELIX 18 18 VAL B 270 ALA B 274 5 5

SHEET 1 A 7 VAL A 90 GLN A 91 0 SHEET 2 A 7 ILE A 150 TYR A 159 1 O ARG A 151 N VAL A 90 SHEET 3 A 7 GLU A 171 LEU A 180 -1 O MET A 174 N GLY A 156 SHEET 4 A 7 TRP A 250 GLY A 256 -1 O PHE A 255 N LEU A 175 SHEET 5 A 7 LEU A 228 GLY A 236 -1 N GLY A 236 O TRP A 250 SHEET 6 A 7 VAL A 221 LYS A 225 -1 N VAL A 223 O LEU A 230 SHEET 7 A 7 GLU A 208 THR A 211 -1 N GLU A 208 O MET A 224 SHEET 1 B 2 ILE A 97 THR A 99 0 SHEET 2 B 2 LYS A 125 LEU A 127 -1 O CYS A 126 N ILE A 98 SHEET 1 C 6 VAL B 90 GLN B 91 0 SHEET 2 C 6 ILE B 150 TYR B 159 1 O ARG B 151 N VAL B 90 SHEET 3 C 6 GLU B 171 LEU B 180 -1 O LEU B 180 N ILE B 150 SHEET 4 C 6 TRP B 250 PHE B 255 -1 O VAL B 251 N GLU B 179 SHEET 5 C 6 LEU B 228 GLY B 236 -1 N ALA B 234 O GLY B 252 SHEET 6 C 6 THR B 220 LYS B 225 -1 N VAL B 223 O LEU B 230 SHEET 1 D 2 ILE B 97 THR B 99 0 SHEET 2 D 2 LYS B 125 LEU B 127 -1 O CYS B 126 N ILE B 98

LINK O6 G C 4 CA CA C 77 1555 1555 2.88 LINK OP1 G C 9 CA CA C 81 1555 1555 2.89 LINK O6 G C 14 CA CA C 79 1555 1555 2.76 LINK O4 U C 65 CA CA C 78 1555 1555 2.99 LINK N7 G D 14 CA CA D 79 1555 1555 2.87 LINK O4 U D 43 CA CA D 82 1555 1555 2.69

CISPEP 1 LYS A 148 PRO A 149 0 3.96 CISPEP 2 GLY A 236 PRO A 237 0 3.85 CISPEP 3 LYS B 148 PRO B 149 0 -0.62 CISPEP 4 GLY B 236 PRO B 237 0 -1.35

SITE 1 AC1 1 G C 4 SITE 1 AC2 1 U C 65 SITE 1 AC3 1 G C 14 SITE 1 AC4 1 G C 9 SITE 1 AC5 1 G D 4 SITE 1 AC6 1 U D 65 SITE 1 AC7 1 G D 14 SITE 1 AC8 1 G D 9 SITE 1 AC9 1 U D 43

CRYST1 103.627 103.627 214.044 90.00 90.00 90.00 P 43 21 2 16

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 0.009650 0.000000 0.000000 0.00000

SCALE2 0.000000 0.009650 0.000000 0.00000

SCALE3 0.000000 0.000000 0.004672 0.00000