HEADER IMMUNE SYSTEM 29-OCT-13 4NEM TITLE SMALL MOLECULAR FRAGMENT BOUND TO CRYSTAL CONTACT INTERFACE OF TITLE 2 INTERLEUKIN-2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: INTERLEUKIN-2; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS FRAGMENT MAPPING, CRYSTAL CONTACT, CYTOKINE, INTERLEUKIN-2, KEYWDS 2 HELIXBUNDLE, CD25, EXTRACELLULAR, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR S.JEHLE,R.BRENKE,S.VAJDA,K.N.ALLEN,D.KOZAKOV REVDAT 1 19-NOV-14 4NEM 0 JRNL AUTH S.JEHLE,R.BRENKE,S.VAJDA,K.N.ALLEN,D.KOZAKOV JRNL TITL SMALL MOLECULAR FRAGMENTS BOUND TO BINDING ENERGY HOT-SPOT JRNL TITL 2 IN CRYSTAL CONTACT INTERFACE OF INTERLEUKIN-2 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.93 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8.3_1479) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT 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) : 1.93 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 41.47 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 3 NUMBER OF REFLECTIONS : 9625 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.209 REMARK 3 R VALUE (WORKING SET) : 0.207 REMARK 3 FREE R VALUE : 0.259 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 462 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 41.4780 - 2.7884 0.99 3165 155 0.1970 0.2427 REMARK 3 2 2.7884 - 2.2133 1.00 3047 133 0.2393 0.2955 REMARK 3 3 2.2133 - 1.9335 0.99 2951 174 0.2057 0.2840 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) : 0.230 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 30.510 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 : 0.006 967 REMARK 3 ANGLE : 0.942 1302 REMARK 3 CHIRALITY : 0.038 157 REMARK 3 PLANARITY : 0.003 158 REMARK 3 DIHEDRAL : 17.590 370 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 7 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: (CHAIN A AND RESID 6:28 ) REMARK 3 ORIGIN FOR THE GROUP (A): -6.3225 7.7900 14.4082 REMARK 3 T TENSOR REMARK 3 T11: 0.3069 T22: 0.2325 REMARK 3 T33: 0.3115 T12: -0.0268 REMARK 3 T13: 0.0106 T23: -0.0199 REMARK 3 L TENSOR REMARK 3 L11: 8.4172 L22: 2.4406 REMARK 3 L33: 3.7355 L12: -0.5670 REMARK 3 L13: 1.9083 L23: 0.0129 REMARK 3 S TENSOR REMARK 3 S11: -0.2197 S12: 0.2784 S13: 0.5020 REMARK 3 S21: -0.0832 S22: 0.0594 S23: 0.0038 REMARK 3 S31: 0.0275 S32: -0.1758 S33: 0.1955 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: (CHAIN A AND RESID 29:41 ) REMARK 3 ORIGIN FOR THE GROUP (A): 13.1539 -0.4010 24.9119 REMARK 3 T TENSOR REMARK 3 T11: 0.4695 T22: 0.3972 REMARK 3 T33: 0.4956 T12: -0.0001 REMARK 3 T13: -0.0771 T23: -0.0609 REMARK 3 L TENSOR REMARK 3 L11: 2.4700 L22: 7.1313 REMARK 3 L33: 4.7416 L12: -1.3173 REMARK 3 L13: -0.2195 L23: 3.2395 REMARK 3 S TENSOR REMARK 3 S11: -0.0886 S12: -0.5165 S13: 0.5905 REMARK 3 S21: 1.1246 S22: -0.2853 S23: -0.4809 REMARK 3 S31: -0.2425 S32: -0.2307 S33: 0.3923 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: (CHAIN A AND RESID 42:52 ) REMARK 3 ORIGIN FOR THE GROUP (A): 1.3362 -7.5273 8.6243 REMARK 3 T TENSOR REMARK 3 T11: 0.4391 T22: 0.5881 REMARK 3 T33: 0.3779 T12: 0.0208 REMARK 3 T13: 0.0002 T23: -0.1504 REMARK 3 L TENSOR REMARK 3 L11: 2.2799 L22: 1.7168 REMARK 3 L33: 3.1409 L12: 0.2599 REMARK 3 L13: 1.6345 L23: 0.4379 REMARK 3 S TENSOR REMARK 3 S11: -0.2266 S12: 0.4375 S13: -0.0695 REMARK 3 S21: -0.4725 S22: 0.0471 S23: 0.0051 REMARK 3 S31: -0.4511 S32: -0.2549 S33: 0.1380 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: (CHAIN A AND RESID 53:71 ) REMARK 3 ORIGIN FOR THE GROUP (A): -3.9638 -6.5488 16.3851 REMARK 3 T TENSOR REMARK 3 T11: 0.3292 T22: 0.3630 REMARK 3 T33: 0.4395 T12: 0.0094 REMARK 3 T13: 0.0808 T23: -0.0184 REMARK 3 L TENSOR REMARK 3 L11: 6.8090 L22: 4.7964 REMARK 3 L33: 7.1633 L12: -1.4615 REMARK 3 L13: 3.2238 L23: -1.4848 REMARK 3 S TENSOR REMARK 3 S11: -0.0668 S12: -0.7285 S13: -1.1235 REMARK 3 S21: 0.1406 S22: 0.3231 S23: 0.4843 REMARK 3 S31: 0.7336 S32: -0.9252 S33: -0.1103 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: (CHAIN A AND RESID 72:96 ) REMARK 3 ORIGIN FOR THE GROUP (A): -7.5380 -0.6265 21.1123 REMARK 3 T TENSOR REMARK 3 T11: 0.3358 T22: 0.4446 REMARK 3 T33: 0.4706 T12: 0.0313 REMARK 3 T13: 0.0168 T23: 0.0412 REMARK 3 L TENSOR REMARK 3 L11: 5.7139 L22: 3.8226 REMARK 3 L33: 2.7744 L12: -1.8467 REMARK 3 L13: 1.6480 L23: -0.5884 REMARK 3 S TENSOR REMARK 3 S11: -0.0805 S12: -0.9109 S13: -0.2473 REMARK 3 S21: 0.1470 S22: 0.0084 S23: -0.2479 REMARK 3 S31: 0.3469 S32: -0.0626 S33: 0.2541 REMARK 3 TLS GROUP : 6 REMARK 3 SELECTION: (CHAIN A AND RESID 97:113 ) REMARK 3 ORIGIN FOR THE GROUP (A): -0.7102 -10.9257 7.3892 REMARK 3 T TENSOR REMARK 3 T11: 0.5833 T22: 0.4522 REMARK 3 T33: 0.5028 T12: -0.0641 REMARK 3 T13: 0.0665 T23: -0.1732 REMARK 3 L TENSOR REMARK 3 L11: 0.1207 L22: 3.1187 REMARK 3 L33: 3.1888 L12: 0.0314 REMARK 3 L13: 0.2241 L23: 1.1380 REMARK 3 S TENSOR REMARK 3 S11: -0.4265 S12: 0.7497 S13: -0.7415 REMARK 3 S21: -0.7103 S22: 0.1778 S23: 0.2212 REMARK 3 S31: 0.3228 S32: 0.0296 S33: 0.1956 REMARK 3 TLS GROUP : 7 REMARK 3 SELECTION: (CHAIN A AND RESID 114:133 ) REMARK 3 ORIGIN FOR THE GROUP (A): -0.8496 3.4206 8.1925 REMARK 3 T TENSOR REMARK 3 T11: 0.3596 T22: 0.4114 REMARK 3 T33: 0.2582 T12: -0.0121 REMARK 3 T13: 0.0240 T23: 0.0192 REMARK 3 L TENSOR REMARK 3 L11: 5.5801 L22: 5.3133 REMARK 3 L33: 5.5707 L12: -2.3048 REMARK 3 L13: 3.3679 L23: -2.4729 REMARK 3 S TENSOR REMARK 3 S11: -0.0987 S12: 0.8971 S13: 0.2289 REMARK 3 S21: -0.4453 S22: -0.1063 S23: -0.3121 REMARK 3 S31: -0.2247 S32: 0.1453 S33: 0.1365 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 4NEM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-NOV-13. REMARK 100 THE RCSB ID CODE IS RCSB083105. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-SEP-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X29A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.075000 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9626 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.930 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 7.160 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07300 REMARK 200 FOR THE DATA SET : NULL 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 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: PHENIX (PHENIX.REFINE: 1.8.1_1168) REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.29 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 34% PEG 8K, 0.1 M NAOAC, PH 5.0, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-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 15.85450 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 39.88350 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 24.27200 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 39.88350 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 15.85450 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 24.27200 REMARK 290 SMTRY3 4 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 SER A 4 REMARK 465 SER A 5 REMARK 465 SER A 75 REMARK 465 LYS A 76 REMARK 465 ASN A 77 REMARK 465 PHE A 78 REMARK 465 HIS A 79 REMARK 465 LEU A 80 REMARK 465 ARG A 81 REMARK 465 PRO A 82 REMARK 465 ARG A 83 REMARK 465 GLY A 98 REMARK 465 SER A 99 REMARK 465 GLU A 100 REMARK 465 THR A 101 REMARK 465 THR A 102 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 TYR A 31 CG CZ 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 LEU A 72 11.75 -68.85 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 2JY A 201 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4NEJ RELATED DB: PDB DBREF 4NEM A 4 133 UNP Q6QWN0 Q6QWN0_HUMAN 4 133 SEQRES 1 A 130 SER SER SER THR LYS LYS THR GLN LEU GLN LEU GLU HIS SEQRES 2 A 130 LEU LEU LEU ASP LEU GLN MET ILE LEU ASN GLY ILE ASN SEQRES 3 A 130 ASN TYR LYS ASN PRO LYS LEU THR ARG MET LEU THR PHE SEQRES 4 A 130 LYS PHE TYR MET PRO LYS LYS ALA THR GLU LEU LYS HIS SEQRES 5 A 130 LEU GLN CYS LEU GLU GLU GLU LEU LYS PRO LEU GLU GLU SEQRES 6 A 130 VAL LEU ASN LEU ALA GLN SER LYS ASN PHE HIS LEU ARG SEQRES 7 A 130 PRO ARG ASP LEU ILE SER ASN ILE ASN VAL ILE VAL LEU SEQRES 8 A 130 GLU LEU LYS GLY SER GLU THR THR PHE MET CYS GLU TYR SEQRES 9 A 130 ALA ASP GLU THR ALA THR ILE VAL GLU PHE LEU ASN ARG SEQRES 10 A 130 TRP ILE THR PHE SER GLN SER ILE ILE SER THR LEU THR HET 2JY A 201 18 HETNAM 2JY 5-[(2,3-DICHLOROPHENOXY)METHYL]FURAN-2-CARBOXYLIC ACID FORMUL 2 2JY C12 H8 CL2 O4 FORMUL 3 HOH *15(H2 O) HELIX 1 1 SER A 6 ASN A 29 1 24 HELIX 2 2 LYS A 35 LEU A 40 1 6 HELIX 3 3 GLU A 52 HIS A 55 5 4 HELIX 4 4 LEU A 56 GLU A 61 1 6 HELIX 5 5 GLU A 62 LEU A 72 1 11 HELIX 6 6 LEU A 85 LYS A 97 1 13 HELIX 7 7 THR A 113 THR A 131 1 19 SSBOND 1 CYS A 58 CYS A 105 1555 1555 2.04 SITE 1 AC1 7 LEU A 12 GLN A 13 HIS A 16 ASN A 30 SITE 2 AC1 7 TYR A 31 ASN A 88 ILE A 92 CRYST1 31.709 48.544 79.767 90.00 90.00 90.00 P 21 21 21 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 0.031537 0.000000 0.000000 0.00000 SCALE2 0.000000 0.020600 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012537 0.00000