HEADER HYDROLASE 30-MAR-01 1IC6 TITLE STRUCTURE OF A SERINE PROTEASE PROTEINASE K FROM TRITIRACHIUM ALBUM TITLE 2 LIMBER AT 0.98 A RESOLUTION 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; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENGYODONTIUM ALBUM; SOURCE 3 ORGANISM_TAXID: 37998; SOURCE 4 STRAIN: LIMBER KEYWDS PROTEINASE K, SERINE PROTEASES, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR C.BETZEL,S.GOURINATH,P.KUMAR,P.KAUR,M.PERBANDT,S.ESCHENBURG,T.P.SINGH REVDAT 3 06-NOV-24 1IC6 1 REMARK LINK REVDAT 2 24-FEB-09 1IC6 1 VERSN REVDAT 1 11-APR-01 1IC6 0 JRNL AUTH C.BETZEL,S.GOURINATH,P.KUMAR,P.KAUR,M.PERBANDT,S.ESCHENBURG, JRNL AUTH 2 T.P.SINGH JRNL TITL STRUCTURE OF A SERINE PROTEASE PROTEINASE K FROM JRNL TITL 2 TRITIRACHIUM ALBUM LIMBER AT 0.98 A RESOLUTION. JRNL REF BIOCHEMISTRY V. 40 3080 2001 JRNL REFN ISSN 0006-2960 JRNL PMID 11258922 JRNL DOI 10.1021/BI002538N REMARK 2 REMARK 2 RESOLUTION. 0.98 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 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 0.98 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 3 NUMBER OF REFLECTIONS : 1229216 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.114 REMARK 3 FREE R VALUE : 0.124 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 13638 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2031 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 34 REMARK 3 SOLVENT ATOMS : 493 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 10.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 12.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 12.30000 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 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1IC6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-APR-01. REMARK 100 THE DEPOSITION ID IS D_1000013149. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-MAR-98 REMARK 200 TEMPERATURE (KELVIN) : 295 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X11 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.91 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 1229216 REMARK 200 RESOLUTION RANGE HIGH (A) : 0.980 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 136380. REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 200 DATA REDUNDANCY : 9.010 REMARK 200 R MERGE (I) : 0.03500 REMARK 200 R SYM (I) : 0.03500 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 15.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.98 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.19500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 8.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.93 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CACL2 & NANO3, PH 6.5, VAPOR REMARK 280 DIFFUSION, TEMPERATURE 295K 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 53.29100 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 33.64400 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 33.64400 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 79.93650 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 33.64400 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 33.64400 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 26.64550 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 33.64400 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 33.64400 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 79.93650 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 33.64400 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 33.64400 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 26.64550 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 53.29100 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: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 H ASP A 26 HH TYR A 236 0.89 REMARK 500 H LEU A 261 HD21 ASN A 270 0.99 REMARK 500 HG SER A 14 H TYR A 24 1.08 REMARK 500 HD2 HIS A 46 H GLU A 48 1.10 REMARK 500 H SER A 138 HG SER A 170 1.11 REMARK 500 HE2 HIS A 69 HG SER A 224 1.26 REMARK 500 H GLY A 160 HG1 THR A 223 1.26 REMARK 500 HE21 GLN A 3 HZ3 LYS A 86 1.28 REMARK 500 H GLY A 136 O HOH A 575 1.32 REMARK 500 HG CYS A 34 SG CYS A 123 1.34 REMARK 500 HB1 ALA A 158 O HOH A 468 1.46 REMARK 500 HH TYR A 277 O HOH A 785 1.59 REMARK 500 HH TYR A 274 O HOH A 762 1.60 REMARK 500 O HOH A 572 O HOH A 607 2.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 HG2 GLU A 27 O HOH A 601 3654 1.21 REMARK 500 HZ3 LYS A 57 O HOH A 592 8665 1.30 REMARK 500 OD2 ASP A 112 O HOH A 718 8665 1.50 REMARK 500 OD1 ASP A 112 O HOH A 489 8665 1.63 REMARK 500 CG ASN A 122 O HOH A 741 6465 2.12 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 ASP A 112 OD1 - CG - OD2 ANGL. DEV. = -41.3 DEGREES REMARK 500 ASP A 112 CB - CG - OD1 ANGL. DEV. = 19.2 DEGREES REMARK 500 ASP A 112 CB - CG - OD2 ANGL. DEV. = 21.8 DEGREES REMARK 500 ARG A 188 NE - CZ - NH1 ANGL. DEV. = 5.8 DEGREES REMARK 500 ARG A 188 NE - CZ - NH2 ANGL. DEV. = -5.6 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 -147.37 -167.37 REMARK 500 ASP A 207 60.39 61.00 REMARK 500 ASN A 270 74.61 -109.04 REMARK 500 REMARK 500 REMARK: NULL REMARK 615 REMARK 615 ZERO OCCUPANCY ATOM REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 615 M RES C SSEQI REMARK 615 HOH A 312 REMARK 615 HOH A 548 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 281 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 16 O REMARK 620 2 ASP A 260 OD1 135.0 REMARK 620 3 ASP A 260 OD2 86.6 48.5 REMARK 620 4 HOH A 305 O 89.8 90.3 86.1 REMARK 620 5 HOH A 589 O 90.6 82.0 83.5 169.5 REMARK 620 6 HOH A 683 O 144.2 80.7 128.5 86.9 98.8 REMARK 620 7 HOH A 730 O 71.0 152.1 156.2 101.4 88.7 74.8 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 280 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 PRO A 175 O REMARK 620 2 VAL A 177 O 89.3 REMARK 620 3 ASP A 200 OD2 158.9 79.0 REMARK 620 4 ASP A 200 OD1 150.0 112.6 50.7 REMARK 620 5 HOH A 301 O 75.8 137.3 124.4 74.2 REMARK 620 6 HOH A 303 O 95.1 149.4 86.6 76.5 72.7 REMARK 620 7 HOH A 304 O 79.9 75.1 80.2 124.3 138.0 76.0 REMARK 620 8 HOH A 729 O 90.1 72.1 102.7 78.4 68.2 137.9 145.7 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 280 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 281 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO3 A 901 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO3 A 902 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO3 A 903 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO3 A 904 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO3 A 905 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO3 A 906 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO3 A 907 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO3 A 908 REMARK 999 REMARK 999 SEQUENCE REMARK 999 AMINO ACID 207 WAS MUTATED BY PERSUING ELECTRON REMARK 999 DENSITY AT ATOMIC RESOLUTION AND AFTER REPEATION REMARK 999 OF MANY REFINEMENT CYCLE. DBREF 1IC6 A 1 279 UNP P06873 PRTK_TRIAL 106 384 SEQADV 1IC6 ASP A 207 UNP P06873 SER 312 SEE REMARK 999 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 280 1 HET CA A 281 1 HET NO3 A 901 4 HET NO3 A 902 4 HET NO3 A 903 4 HET NO3 A 904 4 HET NO3 A 905 4 HET NO3 A 906 4 HET NO3 A 907 4 HET NO3 A 908 4 HETNAM CA CALCIUM ION HETNAM NO3 NITRATE ION FORMUL 2 CA 2(CA 2+) FORMUL 4 NO3 8(N O3 1-) FORMUL 12 HOH *493(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 GLY A 222 LEU A 240 1 19 HELIX 8 8 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 N TYR A 23 O 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 LEU A 90 N GLN A 54 SHEET 3 B 7 SER A 33 ASP A 39 1 O SER A 33 N GLN A 89 SHEET 4 B 7 GLY A 126 LEU A 131 1 O GLY A 126 N CYS A 34 SHEET 5 B 7 MET A 154 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 N SER A 170 O 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 SER A 216 N TRP A 212 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 2.03 SSBOND 2 CYS A 178 CYS A 249 1555 1555 2.04 LINK O THR A 16 CA CA A 281 1555 1555 2.57 LINK O PRO A 175 CA CA A 280 1555 1555 2.43 LINK O VAL A 177 CA CA A 280 1555 1555 2.43 LINK OD2 ASP A 200 CA CA A 280 1555 1555 2.47 LINK OD1 ASP A 200 CA CA A 280 1555 1555 2.67 LINK OD1 ASP A 260 CA CA A 281 1555 1555 2.72 LINK OD2 ASP A 260 CA CA A 281 1555 1555 2.71 LINK CA CA A 280 O HOH A 301 1555 1555 2.55 LINK CA CA A 280 O HOH A 303 1555 1555 2.47 LINK CA CA A 280 O HOH A 304 1555 1555 2.46 LINK CA CA A 280 O HOH A 729 1555 1555 2.47 LINK CA CA A 281 O HOH A 305 1555 1555 2.96 LINK CA CA A 281 O HOH A 589 1555 1555 2.94 LINK CA CA A 281 O HOH A 683 1555 1555 3.34 LINK CA CA A 281 O HOH A 730 1555 6565 2.63 CISPEP 1 SER A 170 PRO A 171 0 15.56 SITE 1 AC1 7 PRO A 175 VAL A 177 ASP A 200 HOH A 301 SITE 2 AC1 7 HOH A 303 HOH A 304 HOH A 729 SITE 1 AC2 5 THR A 16 ASP A 260 HOH A 305 HOH A 589 SITE 2 AC2 5 HOH A 730 SITE 1 AC3 9 TYR A 60 TYR A 61 ARG A 80 LYS A 94 SITE 2 AC3 9 ASP A 97 ASP A 98 HOH A 343 HOH A 631 SITE 3 AC3 9 HOH A 789 SITE 1 AC4 8 ALA A 158 GLY A 160 ASN A 161 THR A 223 SITE 2 AC4 8 SER A 224 HOH A 468 HOH A 480 HOH A 483 SITE 1 AC5 8 GLY A 102 TYR A 104 ILE A 107 LEU A 133 SITE 2 AC5 8 GLY A 134 HOH A 455 HOH A 456 HOH A 485 SITE 1 AC6 7 ARG A 64 ASP A 165 ARG A 167 ASN A 168 SITE 2 AC6 7 ILE A 213 GLY A 214 HOH A 545 SITE 1 AC7 4 ILE A 220 HOH A 401 HOH A 482 HOH A 491 SITE 1 AC8 6 ASP A 184 TYR A 186 ARG A 188 THR A 244 SITE 2 AC8 6 HOH A 428 HOH A 713 SITE 1 AC9 6 TYR A 104 SER A 105 ILE A 108 SER A 140 SITE 2 AC9 6 HOH A 338 HOH A 656 SITE 1 BC1 7 SER A 191 ALA A 246 SER A 247 ARG A 250 SITE 2 BC1 7 HOH A 479 HOH A 654 HOH A 733 CRYST1 67.288 67.288 106.582 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 0.014861 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014861 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009382 0.00000