HEADER HYDROLASE 20-JUL-16 5KXU TITLE STRUCTURE PROTEINASE K DETERMINED BY SACLA COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEINASE K; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ENDOPEPTIDASE K,TRITIRACHIUM ALKALINE PROTEINASE; COMPND 5 EC: 3.4.21.64 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENGYODONTIUM ALBUM; SOURCE 3 ORGANISM_TAXID: 37998; SOURCE 4 OTHER_DETAILS: SIGMA-ALDRICH (P2308) KEYWDS SERINE PROTEASE, HYDROLYSIS, AMINOLYSIS, CATALYTIC TRIAD, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR T.MASUDA,M.SUZUKI,S.INOUE,K.NUMATA,M.SUGAHARA REVDAT 5 08-NOV-23 5KXU 1 REMARK REVDAT 4 06-SEP-23 5KXU 1 REMARK REVDAT 3 27-OCT-21 5KXU 1 COMPND REMARK LINK REVDAT 2 24-JAN-18 5KXU 1 REMARK REVDAT 1 07-JUN-17 5KXU 0 JRNL AUTH T.MASUDA,M.SUZUKI,S.INOUE,C.SONG,T.NAKANE,E.NANGO,R.TANAKA, JRNL AUTH 2 K.TONO,Y.JOTI,T.KAMESHIMA,T.HATSUI,M.YABASHI,B.MIKAMI, JRNL AUTH 3 O.NUREKI,K.NUMATA,S.IWATA,M.SUGAHARA JRNL TITL ATOMIC RESOLUTION STRUCTURE OF SERINE PROTEASE PROTEINASE K JRNL TITL 2 AT AMBIENT TEMPERATURE. JRNL REF SCI REP V. 7 45604 2017 JRNL REFN ESSN 2045-2322 JRNL PMID 28361898 JRNL DOI 10.1038/SREP45604 REMARK 2 REMARK 2 RESOLUTION. 1.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.10.1_2155 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) : 1.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.15 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 81247 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.113 REMARK 3 R VALUE (WORKING SET) : 0.113 REMARK 3 FREE R VALUE : 0.129 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.960 REMARK 3 FREE R VALUE TEST SET COUNT : 4028 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 27.1569 - 3.6838 1.00 2924 157 0.1450 0.1635 REMARK 3 2 3.6838 - 2.9251 1.00 2776 133 0.1268 0.1206 REMARK 3 3 2.9251 - 2.5556 1.00 2748 117 0.1133 0.1331 REMARK 3 4 2.5556 - 2.3221 1.00 2717 153 0.1063 0.1009 REMARK 3 5 2.3221 - 2.1558 1.00 2681 144 0.0901 0.1122 REMARK 3 6 2.1558 - 2.0287 1.00 2693 143 0.0838 0.0902 REMARK 3 7 2.0287 - 1.9271 1.00 2683 133 0.0825 0.1018 REMARK 3 8 1.9271 - 1.8433 1.00 2673 125 0.0806 0.1002 REMARK 3 9 1.8433 - 1.7723 1.00 2682 131 0.0819 0.1111 REMARK 3 10 1.7723 - 1.7112 1.00 2635 138 0.0749 0.1056 REMARK 3 11 1.7112 - 1.6577 1.00 2666 160 0.0766 0.1107 REMARK 3 12 1.6577 - 1.6103 1.00 2639 137 0.0747 0.1212 REMARK 3 13 1.6103 - 1.5679 1.00 2656 130 0.0679 0.0976 REMARK 3 14 1.5679 - 1.5297 1.00 2640 136 0.0705 0.0938 REMARK 3 15 1.5297 - 1.4949 1.00 2644 149 0.0767 0.1063 REMARK 3 16 1.4949 - 1.4631 1.00 2637 133 0.1196 0.1460 REMARK 3 17 1.4631 - 1.4338 1.00 2636 131 0.1180 0.1436 REMARK 3 18 1.4338 - 1.4068 1.00 2636 147 0.1112 0.1226 REMARK 3 19 1.4068 - 1.3816 1.00 2622 142 0.1114 0.1519 REMARK 3 20 1.3816 - 1.3582 1.00 2654 127 0.1116 0.1523 REMARK 3 21 1.3582 - 1.3363 1.00 2637 137 0.1228 0.1317 REMARK 3 22 1.3363 - 1.3157 1.00 2619 123 0.1390 0.1677 REMARK 3 23 1.3157 - 1.2964 1.00 2633 129 0.1648 0.2180 REMARK 3 24 1.2964 - 1.2781 1.00 2605 151 0.1959 0.2359 REMARK 3 25 1.2781 - 1.2609 1.00 2633 146 0.2176 0.2172 REMARK 3 26 1.2609 - 1.2445 1.00 2592 145 0.2515 0.2646 REMARK 3 27 1.2445 - 1.2289 1.00 2651 146 0.2741 0.2922 REMARK 3 28 1.2289 - 1.2141 1.00 2605 137 0.3088 0.2925 REMARK 3 29 1.2141 - 1.2000 1.00 2602 148 0.3310 0.3389 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.140 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 10.900 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL 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 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 : 0.009 2390 REMARK 3 ANGLE : 0.873 3276 REMARK 3 CHIRALITY : 0.079 349 REMARK 3 PLANARITY : 0.006 456 REMARK 3 DIHEDRAL : 13.121 860 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL 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 5KXU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 27-JUL-16. REMARK 100 THE DEPOSITION ID IS D_1000216528. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-APR-15 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : FREE ELECTRON LASER REMARK 200 BEAMLINE : BL3 REMARK 200 X-RAY GENERATOR MODEL : SACLA BEAMLINE BL3 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.95 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MPCCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTFEL REMARK 200 DATA SCALING SOFTWARE : CRYSTFEL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 81247 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.230 REMARK 200 RESOLUTION RANGE LOW (A) : 27.150 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 1741. REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.23 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.25 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 835.2 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 0.280 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: 4B5L REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.98 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M MES-NAOH (PH 6.5), 0.5 M NANO3, REMARK 280 0.1 M CACL2, BATCH MODE, 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 54.20000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 34.25000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 34.25000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 81.30000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 34.25000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 34.25000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 27.10000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 34.25000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 34.25000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 81.30000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 34.25000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 34.25000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 27.10000 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 54.20000 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 663 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 795 LIES ON A SPECIAL POSITION. 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 O HOH A 697 O HOH A 773 2.19 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 OD1 ASN A 5 HE22 GLN A 103 4555 1.59 REMARK 500 OD1 ASN A 5 NE2 GLN A 103 4555 2.19 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 -147.68 -168.01 REMARK 500 TYR A 60 -169.47 -128.11 REMARK 500 SER A 216 -168.28 -112.57 REMARK 500 ASN A 270 77.82 -111.66 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 CA A 502 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 16 O REMARK 620 2 ASP A 260 OD1 133.0 REMARK 620 3 ASP A 260 OD2 81.1 53.1 REMARK 620 4 HOH A 688 O 88.4 98.5 87.5 REMARK 620 5 HOH A 722 O 76.0 146.9 156.4 97.6 REMARK 620 6 HOH A 752 O 151.6 75.3 125.8 84.6 77.7 REMARK 620 7 HOH A 782 O 89.3 79.3 86.9 174.2 87.0 99.9 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 501 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 PRO A 175 O REMARK 620 2 VAL A 177 O 86.0 REMARK 620 3 ASP A 200 OD1 151.2 114.2 REMARK 620 4 ASP A 200 OD2 158.6 79.9 50.1 REMARK 620 5 HOH A 665 O 95.7 146.4 78.8 87.5 REMARK 620 6 HOH A 679 O 81.2 74.3 122.8 79.6 72.9 REMARK 620 7 HOH A 707 O 88.8 71.3 79.4 101.6 142.2 144.7 REMARK 620 8 HOH A 765 O 75.5 139.3 75.9 125.4 72.5 135.6 72.4 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 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NO3 A 503 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5KXV RELATED DB: PDB DBREF 5KXU A 1 279 UNP P06873 PRTK_ENGAL 106 384 SEQADV 5KXU 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 501 1 HET CA A 502 1 HET NO3 A 503 4 HETNAM CA CALCIUM ION HETNAM NO3 NITRATE ION FORMUL 2 CA 2(CA 2+) FORMUL 4 NO3 N O3 1- FORMUL 5 HOH *215(H2 O) HELIX 1 AA1 PRO A 7 SER A 14 1 8 HELIX 2 AA2 HIS A 46 GLU A 50 5 5 HELIX 3 AA3 GLY A 68 SER A 79 1 12 HELIX 4 AA4 GLN A 103 LYS A 118 1 16 HELIX 5 AA5 ASN A 119 ARG A 121 5 3 HELIX 6 AA6 SER A 138 SER A 151 1 14 HELIX 7 AA7 ASP A 165 ARG A 167 5 3 HELIX 8 AA8 GLY A 222 LEU A 240 1 19 HELIX 9 AA9 SER A 247 THR A 255 1 9 SHEET 1 AA1 2 ALA A 2 GLN A 3 0 SHEET 2 AA1 2 TYR A 23 TYR A 24 -1 O TYR A 23 N GLN A 3 SHEET 1 AA2 7 ALA A 53 THR A 58 0 SHEET 2 AA2 7 GLN A 89 LYS A 94 1 O GLY A 92 N VAL A 56 SHEET 3 AA2 7 SER A 33 ASP A 39 1 N VAL A 35 O GLN A 89 SHEET 4 AA2 7 GLY A 126 LEU A 131 1 O VAL A 128 N TYR A 36 SHEET 5 AA2 7 MET A 154 ALA A 158 1 O MET A 154 N ALA A 129 SHEET 6 AA2 7 CYS A 178 SER A 183 1 O CYS A 178 N VAL A 157 SHEET 7 AA2 7 ILE A 201 PRO A 204 1 O ILE A 201 N GLY A 181 SHEET 1 AA3 2 GLY A 135 GLY A 136 0 SHEET 2 AA3 2 TYR A 169 SER A 170 -1 O SER A 170 N GLY A 135 SHEET 1 AA4 2 ILE A 208 TRP A 212 0 SHEET 2 AA4 2 SER A 216 ILE A 220 -1 O ILE A 220 N ILE A 208 SHEET 1 AA5 2 ASN A 257 LYS A 258 0 SHEET 2 AA5 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 2.03 LINK O THR A 16 CA CA A 502 1555 1555 2.35 LINK O PRO A 175 CA CA A 501 1555 1555 2.39 LINK O VAL A 177 CA CA A 501 1555 1555 2.42 LINK OD1 ASP A 200 CA CA A 501 1555 1555 2.66 LINK OD2 ASP A 200 CA CA A 501 1555 1555 2.44 LINK OD1 ASP A 260 CA CA A 502 1555 1555 2.42 LINK OD2 ASP A 260 CA CA A 502 1555 1555 2.47 LINK CA CA A 501 O HOH A 665 1555 1555 2.41 LINK CA CA A 501 O HOH A 679 1555 1555 2.44 LINK CA CA A 501 O HOH A 707 1555 1555 2.44 LINK CA CA A 501 O HOH A 765 1555 1555 2.50 LINK CA CA A 502 O HOH A 688 1555 1555 2.35 LINK CA CA A 502 O HOH A 722 1555 1555 2.43 LINK CA CA A 502 O HOH A 752 1555 1555 2.39 LINK CA CA A 502 O HOH A 782 1555 1555 2.44 CISPEP 1 SER A 170 PRO A 171 0 1.04 SITE 1 AC1 7 PRO A 175 VAL A 177 ASP A 200 HOH A 665 SITE 2 AC1 7 HOH A 679 HOH A 707 HOH A 765 SITE 1 AC2 6 THR A 16 ASP A 260 HOH A 688 HOH A 722 SITE 2 AC2 6 HOH A 752 HOH A 782 SITE 1 AC3 7 TYR A 60 TYR A 61 ARG A 80 LYS A 94 SITE 2 AC3 7 ASP A 97 ASP A 98 HOH A 756 CRYST1 68.500 68.500 108.400 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 0.014599 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014599 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009208 0.00000