HEADER HYDROLASE 14-SEP-06 2ID8 TITLE CRYSTAL STRUCTURE OF PROTEINASE K COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEINASE K; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: TRITIRACHIUM ALKALINE PROTEINASE, ENDOPEPTIDASE K; COMPND 5 EC: 3.4.21.64 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENGYODONTIUM ALBUM; SOURCE 3 ORGANISM_TAXID: 37998 KEYWDS PROTEINASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR J.WANG,M.DAUTER,Z.DAUTER REVDAT 3 24-FEB-09 2ID8 1 VERSN REVDAT 2 02-JAN-07 2ID8 1 JRNL REVDAT 1 10-OCT-06 2ID8 0 JRNL AUTH J.WANG,M.DAUTER,Z.DAUTER JRNL TITL WHAT CAN BE DONE WITH A GOOD CRYSTAL AND AN JRNL TITL 2 ACCURATE BEAMLINE? JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 62 1475 2006 JRNL REFN ISSN 0907-4449 JRNL PMID 17139083 JRNL DOI 10.1107/S0907444906038534 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.27 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.27 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.125 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.124 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.159 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 3166 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 62172 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.124 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.124 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.157 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 3099 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 62172 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2058 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 23 REMARK 3 SOLVENT ATOMS : 251 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2297.83 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 1932.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 15 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 21002 REMARK 3 NUMBER OF RESTRAINTS : 25629 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.014 REMARK 3 ANGLE DISTANCES (A) : 0.030 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.008 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.030 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.079 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.079 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.089 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.005 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.039 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.083 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC REFINEMENT REMARK 4 REMARK 4 2ID8 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-SEP-06. REMARK 100 THE RCSB ID CODE IS RCSB039437. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 31-MAR-06 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 : APS REMARK 200 BEAMLINE : 22-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98000 REMARK 200 MONOCHROMATOR : SI220 DOUBLE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 62172 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.270 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.9 REMARK 200 DATA REDUNDANCY : 27.100 REMARK 200 R MERGE (I) : 0.03300 REMARK 200 R SYM (I) : 0.03300 REMARK 200 FOR THE DATA SET : 102.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.27 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.32 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.7 REMARK 200 DATA REDUNDANCY IN SHELL : 26.30 REMARK 200 R MERGE FOR SHELL (I) : 0.13100 REMARK 200 R SYM FOR SHELL (I) : 0.13100 REMARK 200 FOR SHELL : 30.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: AB INITIO PHASING REMARK 200 SOFTWARE USED: SHELXD, SHELXE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.55 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 50 MG/ML PROTEIN, 0.5 M NANO3, 50 REMARK 280 MM CITRATE BUFFER, PH 6.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 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 53.44000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 33.77500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 33.77500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 80.16000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 33.77500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 33.77500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 26.72000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 33.77500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 33.77500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 80.16000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 33.77500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 33.77500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 26.72000 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 53.44000 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 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 767 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 912 LIES ON A SPECIAL POSITION. 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 SER A 150 CB SER A 150 OG -0.091 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 HIS A 46 CG - ND1 - CE1 ANGL. DEV. = 9.3 DEGREES REMARK 500 PRO A 47 O - C - N ANGL. DEV. = -9.9 DEGREES REMARK 500 TYR A 59 CB - CG - CD2 ANGL. DEV. = -4.0 DEGREES REMARK 500 TYR A 59 CB - CG - CD1 ANGL. DEV. = 3.7 DEGREES REMARK 500 SER A 63 O - C - N ANGL. DEV. = -11.2 DEGREES REMARK 500 ARG A 80 NE - CZ - NH1 ANGL. DEV. = -3.3 DEGREES REMARK 500 TYR A 104 CB - CG - CD1 ANGL. DEV. = 4.8 DEGREES REMARK 500 ASP A 112 CA - CB - CG ANGL. DEV. = 15.1 DEGREES REMARK 500 ASN A 120 CA - CB - CG ANGL. DEV. = 14.7 DEGREES REMARK 500 ARG A 147 NH1 - CZ - NH2 ANGL. DEV. = -7.4 DEGREES REMARK 500 ARG A 147 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 ARG A 147 NE - CZ - NH2 ANGL. DEV. = 3.5 DEGREES REMARK 500 ARG A 185 NE - CZ - NH1 ANGL. DEV. = 4.4 DEGREES REMARK 500 ARG A 185 NE - CZ - NH2 ANGL. DEV. = -4.0 DEGREES REMARK 500 ARG A 188 CD - NE - CZ ANGL. DEV. = 20.5 DEGREES REMARK 500 ARG A 188 NE - CZ - NH1 ANGL. DEV. = 4.9 DEGREES REMARK 500 SER A 216 CA - CB - OG ANGL. DEV. = 16.9 DEGREES REMARK 500 ASP A 260 CB - CG - OD2 ANGL. DEV. = 5.5 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 ASP A 39 -148.08 -169.06 REMARK 500 ASN A 270 74.96 -111.06 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 2DB A 701 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 CA A 401 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 PRO A 175 O REMARK 620 2 VAL A 177 O 89.6 REMARK 620 3 ASP A 200 OD1 149.4 113.6 REMARK 620 4 ASP A 200 OD2 159.4 78.7 50.7 REMARK 620 5 HOH A 725 O 76.6 138.2 72.8 123.2 REMARK 620 6 HOH A 732 O 89.8 71.8 79.7 102.3 68.9 REMARK 620 7 HOH A 713 O 94.8 148.9 75.8 87.1 72.5 138.8 REMARK 620 8 HOH A 708 O 80.1 74.7 123.8 80.5 138.5 145.0 75.8 REMARK 620 N 1 2 3 4 5 6 7 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 401 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO3 A 501 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO3 A 502 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO3 A 503 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 601 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 2DB A 701 DBREF 2ID8 A 1 279 UNP P06873 PRTK_TRIAL 106 384 SEQADV 2ID8 ASP A 207 UNP P06873 SER 312 VARIANT SEQRES 1 A 279 ALA ALA GLN THR ASN ALA PRO TRP GLY LEU ALA ARG ILE SEQRES 2 A 279 SER SER THR SER PRO GLY THR SER THR TYR TYR TYR ASP SEQRES 3 A 279 GLU SER ALA GLY GLN GLY SER CYS VAL TYR VAL ILE ASP SEQRES 4 A 279 THR GLY ILE GLU ALA SER HIS PRO GLU PHE GLU GLY ARG SEQRES 5 A 279 ALA GLN MET VAL LYS THR TYR TYR TYR SER SER ARG ASP SEQRES 6 A 279 GLY ASN GLY HIS GLY THR HIS CYS ALA GLY THR VAL GLY SEQRES 7 A 279 SER ARG THR TYR GLY VAL ALA LYS LYS THR GLN LEU PHE SEQRES 8 A 279 GLY VAL LYS VAL LEU ASP ASP ASN GLY SER GLY GLN TYR SEQRES 9 A 279 SER THR ILE ILE ALA GLY MET ASP PHE VAL ALA SER ASP SEQRES 10 A 279 LYS ASN ASN ARG ASN CYS PRO LYS GLY VAL VAL ALA SER SEQRES 11 A 279 LEU SER LEU GLY GLY GLY TYR SER SER SER VAL ASN SER SEQRES 12 A 279 ALA ALA ALA ARG LEU GLN SER SER GLY VAL MET VAL ALA SEQRES 13 A 279 VAL ALA ALA GLY ASN ASN ASN ALA ASP ALA ARG ASN TYR SEQRES 14 A 279 SER PRO ALA SER GLU PRO SER VAL CYS THR VAL GLY ALA SEQRES 15 A 279 SER ASP ARG TYR ASP ARG ARG SER SER PHE SER ASN TYR SEQRES 16 A 279 GLY SER VAL LEU ASP ILE PHE GLY PRO GLY THR ASP ILE SEQRES 17 A 279 LEU SER THR TRP ILE GLY GLY SER THR ARG SER ILE SER SEQRES 18 A 279 GLY THR SER MET ALA THR PRO HIS VAL ALA GLY LEU ALA SEQRES 19 A 279 ALA TYR LEU MET THR LEU GLY LYS THR THR ALA ALA SER SEQRES 20 A 279 ALA CYS ARG TYR ILE ALA ASP THR ALA ASN LYS GLY ASP SEQRES 21 A 279 LEU SER ASN ILE PRO PHE GLY THR VAL ASN LEU LEU ALA SEQRES 22 A 279 TYR ASN ASN TYR GLN ALA HET CA A 401 1 HET NO3 A 501 4 HET NO3 A 502 4 HET NO3 A 503 4 HET CL A 601 1 HET 2DB A 701 9 HETNAM CA CALCIUM ION HETNAM NO3 NITRATE ION HETNAM CL CHLORIDE ION HETNAM 2DB (S)-(2,3-DIHYDROXYPROPOXY)TRIHYDROXYBORATE FORMUL 2 CA CA 2+ FORMUL 3 NO3 3(N O3 1-) FORMUL 6 CL CL 1- FORMUL 7 2DB C3 H10 B O6 1- FORMUL 8 HOH *251(H2 O) HELIX 1 1 PRO A 7 SER A 14 1 8 HELIX 2 2 HIS A 46 GLU A 50 5 5 HELIX 3 3 GLY A 68 SER A 79 1 12 HELIX 4 4 GLN A 103 LYS A 118 1 16 HELIX 5 5 ASN A 119 ARG A 121 5 3 HELIX 6 6 SER A 138 SER A 151 1 14 HELIX 7 7 ASP A 165 ARG A 167 5 3 HELIX 8 8 GLY A 222 LEU A 240 1 19 HELIX 9 9 SER A 247 ALA A 256 1 10 SHEET 1 A 2 ALA A 2 GLN A 3 0 SHEET 2 A 2 TYR A 23 TYR A 24 -1 O TYR A 23 N GLN A 3 SHEET 1 B 7 ALA A 53 THR A 58 0 SHEET 2 B 7 GLN A 89 LYS A 94 1 O GLY A 92 N VAL A 56 SHEET 3 B 7 SER A 33 ASP A 39 1 N VAL A 37 O PHE A 91 SHEET 4 B 7 GLY A 126 LEU A 131 1 O SER A 130 N TYR A 36 SHEET 5 B 7 VAL A 153 ALA A 158 1 O MET A 154 N ALA A 129 SHEET 6 B 7 CYS A 178 SER A 183 1 O CYS A 178 N VAL A 157 SHEET 7 B 7 ILE A 201 PRO A 204 1 O ILE A 201 N GLY A 181 SHEET 1 C 2 GLY A 135 GLY A 136 0 SHEET 2 C 2 TYR A 169 SER A 170 -1 O SER A 170 N GLY A 135 SHEET 1 D 2 ILE A 208 TRP A 212 0 SHEET 2 D 2 SER A 216 ILE A 220 -1 O ILE A 220 N ILE A 208 SHEET 1 E 2 ASN A 257 LYS A 258 0 SHEET 2 E 2 LEU A 271 LEU A 272 -1 O LEU A 272 N ASN A 257 SSBOND 1 CYS A 34 CYS A 123 1555 1555 2.00 SSBOND 2 CYS A 178 CYS A 249 1555 1555 2.05 LINK B 2DB A 701 OG SER A 224 1555 1555 1.47 LINK O PRO A 175 CA CA A 401 1555 1555 2.40 LINK O VAL A 177 CA CA A 401 1555 1555 2.39 LINK OD1 ASP A 200 CA CA A 401 1555 1555 2.67 LINK OD2 ASP A 200 CA CA A 401 1555 1555 2.44 LINK CA CA A 401 O HOH A 725 1555 1555 2.51 LINK CA CA A 401 O HOH A 732 1555 1555 2.41 LINK CA CA A 401 O HOH A 713 1555 1555 2.42 LINK CA CA A 401 O HOH A 708 1555 1555 2.44 CISPEP 1 SER A 170 PRO A 171 0 0.28 SITE 1 AC1 7 PRO A 175 VAL A 177 ASP A 200 HOH A 708 SITE 2 AC1 7 HOH A 713 HOH A 725 HOH A 732 SITE 1 AC2 7 TYR A 60 TYR A 61 LYS A 94 ASP A 97 SITE 2 AC2 7 ASP A 98 HOH A 737 HOH A 945 SITE 1 AC3 5 ALA A 1 ALA A 2 ASN A 120 TYR A 277 SITE 2 AC3 5 HOH A 864 SITE 1 AC4 4 ARG A 64 ARG A 167 ASN A 168 GLY A 214 SITE 1 AC5 2 VAL A 56 LYS A 57 SITE 1 AC6 11 HIS A 69 LEU A 133 GLY A 134 GLY A 160 SITE 2 AC6 11 ASN A 161 THR A 223 SER A 224 HOH A 743 SITE 3 AC6 11 HOH A 779 HOH A 818 HOH A 889 CRYST1 67.550 67.550 106.880 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 0.014805 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014805 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009356 0.00000