HEADER HYDROLASE INHIBITOR 05-SEP-14 4R9I TITLE CRYSTAL STRUCTURE OF CYSTEINE PROTEINASE INHIBITOR SERPIN18 FROM TITLE 2 BOMBYX MORI COMPND MOL_ID: 1; COMPND 2 MOLECULE: SERPIN-18; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 21-392; COMPND 5 SYNONYM: SERINE/CYSTEINE PROTEINASE INHIBITOR; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOMBYX MORI; SOURCE 3 ORGANISM_COMMON: SILKWORM; SOURCE 4 ORGANISM_TAXID: 7091; SOURCE 5 STRAIN: DZ872; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: ROSETTA (DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28 KEYWDS PROTEINASE INHIBITOR, HYDROLASE INHIBITOR EXPDTA X-RAY DIFFRACTION AUTHOR P.C.GUO,H.W.HE,P.ZHAO,Q.Y.XIA REVDAT 2 20-MAR-24 4R9I 1 REMARK SEQADV LINK REVDAT 1 09-SEP-15 4R9I 0 JRNL AUTH P.C.GUO,Z.DONG,P.ZHAO,Y.ZHANG,H.W.HE,X.TAN,W.ZHANG,Q.Y.XIA JRNL TITL STRUCTURAL INSIGHTS INTO THE UNIQUE INHIBITORY MECHANISM OF JRNL TITL 2 THE SILKWORM PROTEASE INHIBITOR SERPIN18 JRNL REF SCI REP V. 5 11863 2015 JRNL REFN ESSN 2045-2322 JRNL PMID 26148664 JRNL DOI 10.1038/SREP11863 REMARK 2 REMARK 2 RESOLUTION. 1.65 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.7.0029 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) : 1.65 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.57 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 50608 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) : 0.179 REMARK 3 R VALUE (WORKING SET) : 0.177 REMARK 3 FREE R VALUE : 0.207 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2711 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) : 1.65 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.69 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3632 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.64 REMARK 3 BIN R VALUE (WORKING SET) : 0.2140 REMARK 3 BIN FREE R VALUE SET COUNT : 231 REMARK 3 BIN FREE R VALUE : 0.2590 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3032 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 18 REMARK 3 SOLVENT ATOMS : 518 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.07 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.50000 REMARK 3 B22 (A**2) : -0.50000 REMARK 3 B33 (A**2) : 1.01000 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): 0.094 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.093 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.056 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.604 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.962 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.946 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3150 ; 0.011 ; 0.020 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 4289 ; 1.496 ; 1.953 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 389 ; 6.242 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 165 ;38.321 ;25.697 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 519 ;11.779 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 9 ;22.465 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 474 ; 0.100 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2452 ; 0.008 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL 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: HYDROGENS HAVE BEEN USED IF PRESENT IN REMARK 3 THE INPUT REMARK 4 REMARK 4 4R9I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 17-SEP-14. REMARK 100 THE DEPOSITION ID IS D_1000087068. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-JUN-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL17U REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-3000 REMARK 200 DATA SCALING SOFTWARE : HKL-3000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 53389 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.650 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 12.10 REMARK 200 R MERGE (I) : 0.10000 REMARK 200 R SYM (I) : 0.10100 REMARK 200 FOR THE DATA SET : 23.7400 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.65 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.71 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 12.20 REMARK 200 R MERGE FOR SHELL (I) : 0.44500 REMARK 200 R SYM FOR SHELL (I) : 0.44500 REMARK 200 FOR SHELL : 7.438 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.29 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.5 M SODIUM CITRATE, PH 6.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 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+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 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 36.27250 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 54.65050 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 54.65050 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 18.13625 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 54.65050 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 54.65050 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 54.40875 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 54.65050 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 54.65050 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 18.13625 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 54.65050 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 54.65050 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 54.40875 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 36.27250 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 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 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 ARG A 88 10.27 -144.23 REMARK 500 LEU A 248 -130.46 -89.69 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 NA A 401 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 284 O REMARK 620 2 THR A 286 O 94.0 REMARK 620 3 FLC A 402 OB1 94.6 116.2 REMARK 620 4 FLC A 402 OG2 168.9 83.6 77.0 REMARK 620 5 HOH A 501 O 91.6 74.0 167.7 98.1 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FLC A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 403 DBREF 4R9I A 21 392 UNP C0J8G7 C0J8G7_BOMMO 21 392 SEQADV 4R9I HIS A 15 UNP C0J8G7 EXPRESSION TAG SEQADV 4R9I HIS A 16 UNP C0J8G7 EXPRESSION TAG SEQADV 4R9I HIS A 17 UNP C0J8G7 EXPRESSION TAG SEQADV 4R9I HIS A 18 UNP C0J8G7 EXPRESSION TAG SEQADV 4R9I HIS A 19 UNP C0J8G7 EXPRESSION TAG SEQADV 4R9I MET A 20 UNP C0J8G7 EXPRESSION TAG SEQRES 1 A 378 HIS HIS HIS HIS HIS MET THR LYS ASN TYR THR GLU ALA SEQRES 2 A 378 GLN LEU LYS TYR TYR ASP ALA ASN THR GLY LEU CYS GLY SEQRES 3 A 378 ILE GLY ILE ASP GLN TRP PHE GLN TYR GLU PRO GLU ARG SEQRES 4 A 378 ASN GLN PHE SER THR ALA PHE PRO LEU LEU PHE MET LEU SEQRES 5 A 378 SER GLU LEU SER LEU ASN SER LYS GLU ASP THR THR ALA SEQRES 6 A 378 GLU LEU TYR LYS ASN LEU ASN LEU ARG SER GLU ASP GLU SEQRES 7 A 378 VAL VAL ASN VAL ASN GLN ALA VAL ASN THR ASN LEU ASN SEQRES 8 A 378 THR LYS ASN GLU VAL TYR GLN SER THR LEU ILE LEU ASN SEQRES 9 A 378 ALA TYR THR ASP ILE ASP SER PRO PHE SER GLU THR PHE SEQRES 10 A 378 ILE GLN ASN PHE ALA LYS VAL PHE ASN GLY THR VAL LYS SEQRES 11 A 378 ASN ILE ASP TYR SER ASN ASP ALA VAL ALA THR ILE ARG SEQRES 12 A 378 ASP SER LEU GLN SER ASP SER GLY ASN ASP ILE GLU ILE SEQRES 13 A 378 ALA LEU LYS ASP GLY ASP ILE ASN LYS ASP THR GLY ILE SEQRES 14 A 378 ILE LEU THR ALA TYR THR ASN ILE TYR PHE PRO TRP GLY SEQRES 15 A 378 GLU ALA SER ASP SER TYR ARG PRO TYR LYS GLN ILE ASP SEQRES 16 A 378 ILE SER PHE THR ALA LEU ASP GLY THR GLN SER ASN LYS SEQRES 17 A 378 GLN ALA TRP TYR SER GLU GLY ALA GLY LYS TYR ALA GLU SEQRES 18 A 378 ILE GLU ASN LEU GLY ILE LYS VAL PHE GLN PHE SER LEU SEQRES 19 A 378 LYS PRO GLY LEU THR VAL VAL LEU GLY THR SER LEU ASN SEQRES 20 A 378 ASP ASN ASN ASP LEU SER GLY ALA PHE ASN LYS LEU ARG SEQRES 21 A 378 ASP PRO ALA THR LEU ALA TYR ILE LEU THR GLN THR GLU SEQRES 22 A 378 SER LYS TYR LEU LYS LEU ALA VAL PRO ILE GLU LEU THR SEQRES 23 A 378 MET ARG ASP SER ARG ASP TYR ILE PRO GLU VAL LYS ARG SEQRES 24 A 378 ALA GLY LEU LEU THR GLU LEU PHE GLU LYS ASN PHE ASP SEQRES 25 A 378 GLY PHE ASP THR VAL TYR ASP ASN LYS SER GLY TYR ILE SEQRES 26 A 378 SER TYR MET LEU SER HIS THR ARG LEU GLU PHE GLU GLN SEQRES 27 A 378 PRO THR GLU GLU GLN ALA ALA SER VAL VAL ALA GLU PRO SEQRES 28 A 378 ASP PHE ILE PHE ASP LYS PRO TYR PHE PHE LEU VAL LEU SEQRES 29 A 378 ASP GLN PHE ASN THR PRO ALA PHE ILE GLY LEU ILE THR SEQRES 30 A 378 ASN HET NA A 401 1 HET FLC A 402 13 HET BME A 403 4 HETNAM NA SODIUM ION HETNAM FLC CITRATE ANION HETNAM BME BETA-MERCAPTOETHANOL FORMUL 2 NA NA 1+ FORMUL 3 FLC C6 H5 O7 3- FORMUL 4 BME C2 H6 O S FORMUL 5 HOH *518(H2 O) HELIX 1 1 TYR A 24 GLU A 50 1 27 HELIX 2 2 ALA A 59 LEU A 71 1 13 HELIX 3 3 LYS A 74 ASN A 86 1 13 HELIX 4 4 SER A 89 LEU A 104 1 16 HELIX 5 5 SER A 128 ASN A 140 1 13 HELIX 6 6 ASP A 151 GLY A 165 1 15 HELIX 7 7 GLU A 237 LEU A 239 5 3 HELIX 8 8 LEU A 266 ARG A 274 1 9 HELIX 9 9 PRO A 276 THR A 286 1 11 HELIX 10 10 TYR A 307 ALA A 314 1 8 HELIX 11 11 LEU A 317 GLU A 322 5 6 HELIX 12 12 THR A 354 ALA A 359 1 6 SHEET 1 A 7 GLN A 55 SER A 57 0 SHEET 2 A 7 PRO A 384 ILE A 390 -1 O LEU A 389 N GLN A 55 SHEET 3 A 7 TYR A 373 LEU A 378 -1 N TYR A 373 O ILE A 390 SHEET 4 A 7 THR A 253 SER A 259 -1 N THR A 253 O LEU A 378 SHEET 5 A 7 ILE A 241 SER A 247 -1 N PHE A 244 O LEU A 256 SHEET 6 A 7 GLN A 219 ILE A 236 -1 N ILE A 236 O ILE A 241 SHEET 7 A 7 ARG A 203 THR A 213 -1 N LYS A 206 O TYR A 226 SHEET 1 B 8 GLN A 55 SER A 57 0 SHEET 2 B 8 PRO A 384 ILE A 390 -1 O LEU A 389 N GLN A 55 SHEET 3 B 8 TYR A 373 LEU A 378 -1 N TYR A 373 O ILE A 390 SHEET 4 B 8 THR A 253 SER A 259 -1 N THR A 253 O LEU A 378 SHEET 5 B 8 ILE A 241 SER A 247 -1 N PHE A 244 O LEU A 256 SHEET 6 B 8 GLN A 219 ILE A 236 -1 N ILE A 236 O ILE A 241 SHEET 7 B 8 GLU A 287 VAL A 295 -1 O LEU A 293 N SER A 227 SHEET 8 B 8 PHE A 367 ILE A 368 1 N PHE A 367 O LYS A 292 SHEET 1 C 5 THR A 142 ILE A 146 0 SHEET 2 C 5 GLN A 112 ASP A 122 1 N ALA A 119 O LYS A 144 SHEET 3 C 5 ILE A 183 PHE A 193 -1 O ILE A 184 N TYR A 120 SHEET 4 C 5 ILE A 339 PHE A 350 1 O SER A 340 N ILE A 183 SHEET 5 C 5 THR A 300 ASP A 306 -1 N ASP A 303 O THR A 346 LINK O THR A 284 NA NA A 401 1555 1555 2.46 LINK O THR A 286 NA NA A 401 1555 1555 2.31 LINK NA NA A 401 OB1 FLC A 402 1555 1555 2.41 LINK NA NA A 401 OG2 FLC A 402 1555 1555 2.43 LINK NA NA A 401 O HOH A 501 1555 1555 2.29 SITE 1 AC1 5 THR A 284 THR A 286 GLN A 380 FLC A 402 SITE 2 AC1 5 HOH A 501 SITE 1 AC2 15 HIS A 16 HIS A 17 HIS A 18 ASN A 108 SITE 2 AC2 15 LYS A 232 THR A 284 THR A 286 GLU A 287 SITE 3 AC2 15 SER A 288 GLN A 380 NA A 401 HOH A 568 SITE 4 AC2 15 HOH A 877 HOH A 991 HOH A 995 SITE 1 AC3 2 TYR A 202 SER A 227 CRYST1 109.301 109.301 72.545 90.00 90.00 90.00 P 41 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 0.009149 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009149 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013785 0.00000