HEADER TRANSFERASE 25-APR-08 3CXP TITLE CRYSTAL STRUCTURE OF HUMAN GLUCOSAMINE 6-PHOSPHATE N-ACETYLTRANSFERASE TITLE 2 1 MUTANT E156A COMPND MOL_ID: 1; COMPND 2 MOLECULE: GLUCOSAMINE 6-PHOSPHATE N-ACETYLTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PHOSPHOGLUCOSAMINE TRANSACETYLASE, PHOSPHOGLUCOSAMINE COMPND 5 ACETYLASE; COMPND 6 EC: 2.3.1.4; 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: GNPNAT1; 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: PET28A KEYWDS GNA1, ACYLTRANSFERASE, ENDOSOME, GOLGI APPARATUS, MEMBRANE, KEYWDS 2 TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR J.WANG,X.LIU,L.-F.LI,X.-D.SU REVDAT 4 01-NOV-23 3CXP 1 REMARK REVDAT 3 10-NOV-21 3CXP 1 REMARK SEQADV REVDAT 2 24-FEB-09 3CXP 1 VERSN REVDAT 1 16-SEP-08 3CXP 0 JRNL AUTH J.WANG,X.LIU,Y.-H.LIANG,L.-F.LI,X.-D.SU JRNL TITL ACCEPTOR SUBSTRATE BINDING REVEALED BY CRYSTAL STRUCTURE OF JRNL TITL 2 HUMAN GLUCOSAMINE-6-PHOSPHATE N-ACETYLTRANSFERASE 1 JRNL REF FEBS LETT. V. 582 2973 2008 JRNL REFN ISSN 0014-5793 JRNL PMID 18675810 JRNL DOI 10.1016/J.FEBSLET.2008.07.040 REMARK 2 REMARK 2 RESOLUTION. 2.01 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 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.01 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.30 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 13546 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) : 0.200 REMARK 3 R VALUE (WORKING SET) : 0.199 REMARK 3 FREE R VALUE : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 678 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.01 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.06 REMARK 3 REFLECTION IN BIN (WORKING SET) : 912 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.77 REMARK 3 BIN R VALUE (WORKING SET) : 0.2300 REMARK 3 BIN FREE R VALUE SET COUNT : 53 REMARK 3 BIN FREE R VALUE : 0.2720 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1407 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 105 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 30.44 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.93 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.65000 REMARK 3 B22 (A**2) : 0.65000 REMARK 3 B33 (A**2) : -1.31000 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): 0.192 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.163 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.109 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.836 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.949 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.933 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1449 ; 0.007 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1970 ; 0.967 ; 1.972 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 189 ; 5.425 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 53 ;31.625 ;23.774 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 247 ;12.424 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 6 ;11.503 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 232 ; 0.064 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1066 ; 0.003 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 565 ; 0.173 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1010 ; 0.295 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 77 ; 0.104 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 68 ; 0.160 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 22 ; 0.115 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 961 ; 0.441 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1504 ; 0.715 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 560 ; 0.913 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 463 ; 1.456 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3CXP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 07-MAY-08. REMARK 100 THE DEPOSITION ID IS D_1000047340. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-FEB-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.9 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : BSRF REMARK 200 BEAMLINE : 3W1A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0001 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13549 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.07800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 42.2200 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.12 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.1 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.41400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 10.80 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: PDB ENTRY 2HUZ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.76 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M K THIOCYANATE, 30% W/V PEG MME REMARK 280 2000, PH 6.9, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 289K 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 71.30500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 25.67000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 25.67000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 106.95750 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 25.67000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 25.67000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 35.65250 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 25.67000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 25.67000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 106.95750 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 25.67000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 25.67000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 35.65250 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 71.30500 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6490 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15900 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -63.0 KCAL/MOL 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 350 BIOMT1 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 214 LIES ON A SPECIAL POSITION. 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 MET A 1 CG SD CE REMARK 470 LYS A 2 CD CE NZ REMARK 470 LYS A 15 CD CE NZ REMARK 470 GLN A 21 CD OE1 NE2 REMARK 470 GLU A 37 CG CD OE1 OE2 REMARK 470 LYS A 55 CE NZ REMARK 470 GLU A 69 CD OE1 OE2 REMARK 470 LYS A 79 NZ REMARK 470 LYS A 115 NZ REMARK 470 GLU A 127 CD OE1 OE2 REMARK 470 ARG A 129 CD NE CZ NH1 NH2 REMARK 470 LYS A 146 CE NZ REMARK 470 GLU A 174 CD OE1 OE2 REMARK 470 LEU A 183 CG CD1 CD2 REMARK 470 LYS A 184 CG CD CE NZ REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 185 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3CXQ RELATED DB: PDB REMARK 900 GLUCOSAMINE 6-PHOSPHATE N-ACETYLTRANSFERASE 1 WITH GLCN6P REMARK 900 RELATED ID: 3CXS RELATED DB: PDB REMARK 900 GLUCOSAMINE 6-PHOSPHATE N-ACETYLTRANSFERASE 1, APO-FORM DBREF 3CXP A 1 184 UNP Q96EK6 GNA1_HUMAN 1 184 SEQADV 3CXP ALA A 156 UNP Q96EK6 GLU 156 ENGINEERED MUTATION SEQRES 1 A 184 MET LYS PRO ASP GLU THR PRO MET PHE ASP PRO SER LEU SEQRES 2 A 184 LEU LYS GLU VAL ASP TRP SER GLN ASN THR ALA THR PHE SEQRES 3 A 184 SER PRO ALA ILE SER PRO THR HIS PRO GLY GLU GLY LEU SEQRES 4 A 184 VAL LEU ARG PRO LEU CYS THR ALA ASP LEU ASN ARG GLY SEQRES 5 A 184 PHE PHE LYS VAL LEU GLY GLN LEU THR GLU THR GLY VAL SEQRES 6 A 184 VAL SER PRO GLU GLN PHE MET LYS SER PHE GLU HIS MET SEQRES 7 A 184 LYS LYS SER GLY ASP TYR TYR VAL THR VAL VAL GLU ASP SEQRES 8 A 184 VAL THR LEU GLY GLN ILE VAL ALA THR ALA THR LEU ILE SEQRES 9 A 184 ILE GLU HIS LYS PHE ILE HIS SER CYS ALA LYS ARG GLY SEQRES 10 A 184 ARG VAL GLU ASP VAL VAL VAL SER ASP GLU CYS ARG GLY SEQRES 11 A 184 LYS GLN LEU GLY LYS LEU LEU LEU SER THR LEU THR LEU SEQRES 12 A 184 LEU SER LYS LYS LEU ASN CYS TYR LYS ILE THR LEU ALA SEQRES 13 A 184 CYS LEU PRO GLN ASN VAL GLY PHE TYR LYS LYS PHE GLY SEQRES 14 A 184 TYR THR VAL SER GLU GLU ASN TYR MET CYS ARG ARG PHE SEQRES 15 A 184 LEU LYS HET CL A 185 1 HETNAM CL CHLORIDE ION FORMUL 2 CL CL 1- FORMUL 3 HOH *105(H2 O) HELIX 1 1 PRO A 11 GLU A 16 1 6 HELIX 2 2 ASP A 18 ASN A 22 5 5 HELIX 3 3 CYS A 45 ARG A 51 5 7 HELIX 4 4 GLY A 52 THR A 61 1 10 HELIX 5 5 SER A 67 GLY A 82 1 16 HELIX 6 6 PHE A 109 ALA A 114 1 6 HELIX 7 7 GLN A 132 LEU A 148 1 17 HELIX 8 8 LEU A 158 GLN A 160 5 3 HELIX 9 9 ASN A 161 LYS A 167 1 7 SHEET 1 A 5 LEU A 39 PRO A 43 0 SHEET 2 A 5 TYR A 84 ASP A 91 -1 O VAL A 88 N ARG A 42 SHEET 3 A 5 GLN A 96 HIS A 107 -1 O VAL A 98 N VAL A 89 SHEET 4 A 5 LYS A 115 VAL A 124 -1 O ARG A 116 N GLU A 106 SHEET 5 A 5 CYS A 150 THR A 154 1 O TYR A 151 N LYS A 115 CISPEP 1 SER A 27 PRO A 28 0 -0.65 CISPEP 2 SER A 27 PRO A 28 0 -0.36 SITE 1 AC1 2 ARG A 116 HOH A 289 CRYST1 51.340 51.340 142.610 90.00 90.00 90.00 P 43 21 2 8 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 0.019478 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019478 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007012 0.00000