PDB Short entry for 3SME HEADER HYDROLASE 27-JUN-11 3SME TITLE STRUCTURE OF PTP1B INACTIVATED BY H2O2/BICARBONATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: TYROSINE-PROTEIN PHOSPHATASE NON-RECEPTOR TYPE 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: PTP1B CATALYTIC DOMAIN RESIDUES 1-298; COMPND 5 SYNONYM: PROTEIN-TYROSINE PHOSPHATASE 1B, PTP-1B; COMPND 6 EC: 3.1.3.48; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: PTP1B, PTPN1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HYDROLASE, SULFENYL AMIDE BOND BETWEEN CYS 215 AND SER 216 EXPDTA X-RAY DIFFRACTION AUTHOR J.J.TANNER,H.SINGH REVDAT 2 13-SEP-23 3SME 1 REMARK SEQADV LINK REVDAT 1 19-OCT-11 3SME 0 JRNL AUTH H.ZHOU,H.SINGH,Z.D.PARSONS,S.M.LEWIS,S.BHATTACHARYA, JRNL AUTH 2 D.R.SEINER,J.N.LABUTTI,T.J.REILLY,J.J.TANNER,K.S.GATES JRNL TITL THE BIOLOGICAL BUFFER BICARBONATE/CO(2) POTENTIATES JRNL TITL 2 H(2)O(2)-MEDIATED INACTIVATION OF PROTEIN TYROSINE JRNL TITL 3 PHOSPHATASES. JRNL REF J.AM.CHEM.SOC. V. 133 15803 2011 JRNL REFN ISSN 0002-7863 JRNL PMID 21913686 JRNL DOI 10.1021/JA2077137 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.7_650 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) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 44.00 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 52281 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.198 REMARK 3 R VALUE (WORKING SET) : 0.197 REMARK 3 FREE R VALUE : 0.210 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.060 REMARK 3 FREE R VALUE TEST SET COUNT : 2643 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 44.0149 - 4.5136 1.00 2796 143 0.1814 0.1846 REMARK 3 2 4.5136 - 3.5831 1.00 2666 137 0.1668 0.1778 REMARK 3 3 3.5831 - 3.1303 1.00 2680 137 0.1983 0.2088 REMARK 3 4 3.1303 - 2.8442 1.00 2632 140 0.2139 0.2459 REMARK 3 5 2.8442 - 2.6403 1.00 2657 138 0.2016 0.2074 REMARK 3 6 2.6403 - 2.4847 1.00 2615 134 0.1896 0.1769 REMARK 3 7 2.4847 - 2.3603 1.00 2625 139 0.1862 0.1915 REMARK 3 8 2.3603 - 2.2575 1.00 2572 138 0.1895 0.2288 REMARK 3 9 2.2575 - 2.1706 1.00 2607 137 0.1900 0.1942 REMARK 3 10 2.1706 - 2.0957 1.00 2589 138 0.2043 0.2348 REMARK 3 11 2.0957 - 2.0302 1.00 2624 140 0.1955 0.2270 REMARK 3 12 2.0302 - 1.9722 1.00 2616 138 0.1999 0.1994 REMARK 3 13 1.9722 - 1.9202 1.00 2575 137 0.2170 0.2305 REMARK 3 14 1.9202 - 1.8734 1.00 2589 133 0.2337 0.2286 REMARK 3 15 1.8734 - 1.8308 1.00 2578 151 0.2790 0.3177 REMARK 3 16 1.8308 - 1.7918 1.00 2574 126 0.3061 0.3147 REMARK 3 17 1.7918 - 1.7560 1.00 2600 160 0.3016 0.3451 REMARK 3 18 1.7560 - 1.7229 1.00 2536 150 0.3139 0.3291 REMARK 3 19 1.7229 - 1.7000 0.95 2507 127 0.2905 0.3031 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.30 REMARK 3 SHRINKAGE RADIUS : 1.06 REMARK 3 K_SOL : 0.35 REMARK 3 B_SOL : 42.71 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.210 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.700 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.54 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.18700 REMARK 3 B22 (A**2) : 2.18700 REMARK 3 B33 (A**2) : -4.37400 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 : 0.006 2340 REMARK 3 ANGLE : 1.051 3168 REMARK 3 CHIRALITY : 0.071 346 REMARK 3 PLANARITY : 0.004 406 REMARK 3 DIHEDRAL : 13.024 884 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN A REMARK 3 ORIGIN FOR THE GROUP (A): 44.6114 -16.0232 14.8351 REMARK 3 T TENSOR REMARK 3 T11: 0.2165 T22: 0.1405 REMARK 3 T33: 0.1740 T12: 0.0377 REMARK 3 T13: -0.0033 T23: 0.0004 REMARK 3 L TENSOR REMARK 3 L11: 1.0887 L22: 0.8905 REMARK 3 L33: 1.1895 L12: -0.3167 REMARK 3 L13: -0.3546 L23: 0.2107 REMARK 3 S TENSOR REMARK 3 S11: 0.0024 S12: 0.0673 S13: 0.0388 REMARK 3 S21: 0.0073 S22: 0.0080 S23: -0.0341 REMARK 3 S31: 0.0103 S32: -0.1038 S33: -0.0090 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 3SME COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-JUL-11. REMARK 100 THE DEPOSITION ID IS D_1000066381. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-MAY-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 4.2.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NOIR-1 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : D*TREK 9.9.9.1LDZ REMARK 200 DATA SCALING SOFTWARE : D*TREK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 52290 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 44.210 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 10.94 REMARK 200 R MERGE (I) : 0.06300 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 12.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.76 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 11.00 REMARK 200 R MERGE FOR SHELL (I) : 0.57900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX AUTOMR REMARK 200 STARTING MODEL: PDB ENTRY 2F71 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.06 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 11-18 % PEG3000, 0.1M HEPES PH 7.0 REMARK 280 -8.0, 0.2 M MAGNESIUM ACETATE, AND 2 MM TCEP, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 277K, PH 7.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 34.66667 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 69.33333 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 69.33333 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 34.66667 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 -1 REMARK 465 HIS A 0 REMARK 465 GLY A 283 REMARK 465 ASP A 284 REMARK 465 SER A 285 REMARK 465 SER A 286 REMARK 465 VAL A 287 REMARK 465 GLN A 288 REMARK 465 ASP A 289 REMARK 465 GLN A 290 REMARK 465 TRP A 291 REMARK 465 LYS A 292 REMARK 465 GLU A 293 REMARK 465 LEU A 294 REMARK 465 SER A 295 REMARK 465 HIS A 296 REMARK 465 GLU A 297 REMARK 465 ASP A 298 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLU A 2 CG CD OE1 OE2 REMARK 470 LYS A 5 CG CD CE NZ REMARK 470 GLU A 8 CG CD OE1 OE2 REMARK 470 GLN A 9 CG CD OE1 NE2 REMARK 470 LYS A 12 CG CD CE NZ REMARK 470 ARG A 24 CZ NH1 NH2 REMARK 470 HIS A 25 CG ND1 CD2 CE1 NE2 REMARK 470 GLU A 26 CD OE1 OE2 REMARK 470 LYS A 41 CD CE NZ REMARK 470 ARG A 47 CG CD NE CZ NH1 NH2 REMARK 470 GLN A 61 CG CD OE1 NE2 REMARK 470 GLU A 62 CG CD OE1 OE2 REMARK 470 ASP A 63 CG OD1 OD2 REMARK 470 GLU A 136 CG CD OE1 OE2 REMARK 470 GLU A 186 CG CD OE1 OE2 REMARK 470 LYS A 248 CE NZ REMARK 470 MET A 282 CG SD CE 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 CYS A 215 -140.90 -139.58 REMARK 500 ARG A 221 -54.25 75.53 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 299 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 370 O REMARK 620 2 HOH A 371 O 176.4 REMARK 620 3 HOH A 372 O 92.9 87.8 REMARK 620 4 HOH A 373 O 88.9 87.6 95.3 REMARK 620 5 HOH A 374 O 83.6 99.8 96.2 166.6 REMARK 620 6 HOH A 409 O 87.3 92.2 175.9 88.8 79.7 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 299 DBREF 3SME A 1 298 UNP P18031 PTN1_HUMAN 1 298 SEQADV 3SME GLY A -1 UNP P18031 EXPRESSION TAG SEQADV 3SME HIS A 0 UNP P18031 EXPRESSION TAG SEQRES 1 A 300 GLY HIS MET GLU MET GLU LYS GLU PHE GLU GLN ILE ASP SEQRES 2 A 300 LYS SER GLY SER TRP ALA ALA ILE TYR GLN ASP ILE ARG SEQRES 3 A 300 HIS GLU ALA SER ASP PHE PRO CYS ARG VAL ALA LYS LEU SEQRES 4 A 300 PRO LYS ASN LYS ASN ARG ASN ARG TYR ARG ASP VAL SER SEQRES 5 A 300 PRO PHE ASP HIS SER ARG ILE LYS LEU HIS GLN GLU ASP SEQRES 6 A 300 ASN ASP TYR ILE ASN ALA SER LEU ILE LYS MET GLU GLU SEQRES 7 A 300 ALA GLN ARG SER TYR ILE LEU THR GLN GLY PRO LEU PRO SEQRES 8 A 300 ASN THR CYS GLY HIS PHE TRP GLU MET VAL TRP GLU GLN SEQRES 9 A 300 LYS SER ARG GLY VAL VAL MET LEU ASN ARG VAL MET GLU SEQRES 10 A 300 LYS GLY SER LEU LYS CYS ALA GLN TYR TRP PRO GLN LYS SEQRES 11 A 300 GLU GLU LYS GLU MET ILE PHE GLU ASP THR ASN LEU LYS SEQRES 12 A 300 LEU THR LEU ILE SER GLU ASP ILE LYS SER TYR TYR THR SEQRES 13 A 300 VAL ARG GLN LEU GLU LEU GLU ASN LEU THR THR GLN GLU SEQRES 14 A 300 THR ARG GLU ILE LEU HIS PHE HIS TYR THR THR TRP PRO SEQRES 15 A 300 ASP PHE GLY VAL PRO GLU SER PRO ALA SER PHE LEU ASN SEQRES 16 A 300 PHE LEU PHE LYS VAL ARG GLU SER GLY SER LEU SER PRO SEQRES 17 A 300 GLU HIS GLY PRO VAL VAL VAL HIS CYS SER ALA GLY ILE SEQRES 18 A 300 GLY ARG SER GLY THR PHE CYS LEU ALA ASP THR CYS LEU SEQRES 19 A 300 LEU LEU MET ASP LYS ARG LYS ASP PRO SER SER VAL ASP SEQRES 20 A 300 ILE LYS LYS VAL LEU LEU GLU MET ARG LYS PHE ARG MET SEQRES 21 A 300 GLY LEU ILE GLN THR ALA ASP GLN LEU ARG PHE SER TYR SEQRES 22 A 300 LEU ALA VAL ILE GLU GLY ALA LYS PHE ILE MET GLY ASP SEQRES 23 A 300 SER SER VAL GLN ASP GLN TRP LYS GLU LEU SER HIS GLU SEQRES 24 A 300 ASP HET MG A 299 1 HETNAM MG MAGNESIUM ION FORMUL 2 MG MG 2+ FORMUL 3 HOH *170(H2 O) HELIX 1 1 MET A 1 GLY A 14 1 14 HELIX 2 2 SER A 15 ALA A 27 1 13 HELIX 3 3 LEU A 37 ASN A 44 5 8 HELIX 4 4 THR A 91 GLN A 102 1 12 HELIX 5 5 PRO A 188 SER A 201 1 14 HELIX 6 6 ARG A 221 ARG A 238 1 18 HELIX 7 7 ASP A 240 VAL A 244 5 5 HELIX 8 8 ASP A 245 LYS A 255 1 11 HELIX 9 9 THR A 263 MET A 282 1 20 SHEET 1 A 9 ARG A 56 LYS A 58 0 SHEET 2 A 9 TYR A 66 MET A 74 -1 O ALA A 69 N ILE A 57 SHEET 3 A 9 ARG A 79 THR A 84 -1 O TYR A 81 N ILE A 72 SHEET 4 A 9 VAL A 211 HIS A 214 1 O VAL A 213 N ILE A 82 SHEET 5 A 9 GLY A 106 MET A 109 1 N VAL A 108 O VAL A 212 SHEET 6 A 9 THR A 168 TYR A 176 1 O PHE A 174 N VAL A 107 SHEET 7 A 9 TYR A 153 ASN A 162 -1 N THR A 154 O HIS A 175 SHEET 8 A 9 LEU A 140 ILE A 149 -1 N LYS A 141 O GLU A 161 SHEET 9 A 9 MET A 133 PHE A 135 -1 N PHE A 135 O LEU A 140 SHEET 1 B 2 MET A 114 GLU A 115 0 SHEET 2 B 2 SER A 118 LEU A 119 -1 O SER A 118 N GLU A 115 LINK SG CYS A 215 N SER A 216 1555 1555 1.69 LINK MG MG A 299 O HOH A 370 1555 1555 2.16 LINK MG MG A 299 O HOH A 371 1555 1555 2.18 LINK MG MG A 299 O HOH A 372 1555 1555 2.18 LINK MG MG A 299 O HOH A 373 1555 1555 2.29 LINK MG MG A 299 O HOH A 374 1555 1555 2.40 LINK MG MG A 299 O HOH A 409 1555 1555 2.34 SITE 1 AC1 6 HOH A 370 HOH A 371 HOH A 372 HOH A 373 SITE 2 AC1 6 HOH A 374 HOH A 409 CRYST1 88.000 88.000 104.000 90.00 90.00 120.00 P 31 2 1 6 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 0.011364 0.006561 0.000000 0.00000 SCALE2 0.000000 0.013122 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009615 0.00000