HEADER HYDROLASE 01-DEC-16 5MJL TITLE SINGLE-SHOT PINK BEAM SERIAL CRYSTALLOGRAPHY: PROTEINASE K 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; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENGYODONTIUM ALBUM; SOURCE 3 ORGANISM_TAXID: 37998; SOURCE 4 GENE: PROK; SOURCE 5 EXPRESSION_SYSTEM: ENGYODONTIUM ALBUM; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 37998 KEYWDS PROTEINASE K, SERIAL CRYSTALLOGRAPHY, PINK BEAM, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR A.MEENTS,D.OBERTHUER,J.LIESKE,V.SRAJER REVDAT 5 13-NOV-24 5MJL 1 REMARK REVDAT 4 17-JAN-24 5MJL 1 REMARK REVDAT 3 30-MAR-22 5MJL 1 LINK REVDAT 2 18-APR-18 5MJL 1 JRNL REVDAT 1 15-NOV-17 5MJL 0 JRNL AUTH A.MEENTS,M.O.WIEDORN,V.SRAJER,R.HENNING,I.SARROU, JRNL AUTH 2 J.BERGTHOLDT,M.BARTHELMESS,P.Y.A.REINKE,D.DIERKSMEYER, JRNL AUTH 3 A.TOLSTIKOVA,S.SCHAIBLE,M.MESSERSCHMIDT,C.M.OGATA, JRNL AUTH 4 D.J.KISSICK,M.H.TAFT,D.J.MANSTEIN,J.LIESKE,D.OBERTHUER, JRNL AUTH 5 R.F.FISCHETTI,H.N.CHAPMAN JRNL TITL PINK-BEAM SERIAL CRYSTALLOGRAPHY. JRNL REF NAT COMMUN V. 8 1281 2017 JRNL REFN ESSN 2041-1723 JRNL PMID 29097720 JRNL DOI 10.1038/S41467-017-01417-3 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH P.V.AFONINE,R.W.GROSSE-KUNSTLEVE,N.ECHOLS,J.J.HEADD, REMARK 1 AUTH 2 N.W.MORIARTY,M.MUSTYAKIMOV,T.C.TERWILLIGER,A.URZHUMTSEV, REMARK 1 AUTH 3 P.H.ZWART,P.D.ADAMS REMARK 1 TITL TOWARDS AUTOMATED CRYSTALLOGRAPHIC STRUCTURE REFINEMENT WITH REMARK 1 TITL 2 PHENIX.REFINE. REMARK 1 REF ACTA CRYSTALLOGR. D BIOL. V. 68 352 2012 REMARK 1 REF 2 CRYSTALLOGR. REMARK 1 REFN ESSN 1399-0047 REMARK 1 PMID 22505256 REMARK 1 DOI 10.1107/S0907444912001308 REMARK 1 REFERENCE 2 REMARK 1 AUTH P.D.ADAMS,P.V.AFONINE,G.BUNKOCZI,V.B.CHEN,I.W.DAVIS, REMARK 1 AUTH 2 N.ECHOLS,J.J.HEADD,L.W.HUNG,G.J.KAPRAL,R.W.GROSSE-KUNSTLEVE, REMARK 1 AUTH 3 A.J.MCCOY,N.W.MORIARTY,R.OEFFNER,R.J.READ,D.C.RICHARDSON, REMARK 1 AUTH 4 J.S.RICHARDSON,T.C.TERWILLIGER,P.H.ZWART REMARK 1 TITL PHENIX: A COMPREHENSIVE PYTHON-BASED SYSTEM FOR REMARK 1 TITL 2 MACROMOLECULAR STRUCTURE SOLUTION. REMARK 1 REF ACTA CRYSTALLOGR. D BIOL. V. 66 213 2010 REMARK 1 REF 2 CRYSTALLOGR. REMARK 1 REFN ESSN 1399-0047 REMARK 1 PMID 20124702 REMARK 1 DOI 10.1107/S0907444909052925 REMARK 2 REMARK 2 RESOLUTION. 2.21 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.10.1-2155_9999 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.21 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 44.11 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.416 REMARK 3 COMPLETENESS FOR RANGE (%) : 62.1 REMARK 3 NUMBER OF REFLECTIONS : 8341 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.157 REMARK 3 R VALUE (WORKING SET) : 0.154 REMARK 3 FREE R VALUE : 0.195 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.495 REMARK 3 FREE R VALUE TEST SET COUNT : 792 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 44.1171 - 4.0152 0.85 1823 193 0.1438 0.1684 REMARK 3 2 4.0152 - 3.1873 0.82 1681 177 0.1366 0.1722 REMARK 3 3 3.1873 - 2.7845 0.68 1369 141 0.1639 0.2205 REMARK 3 4 2.7845 - 2.5299 0.56 1111 107 0.1727 0.2135 REMARK 3 5 2.5299 - 2.3486 0.44 867 91 0.1633 0.2238 REMARK 3 6 2.3486 - 2.2101 0.36 698 83 0.1719 0.2197 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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) : 0.180 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 11.991 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 0.02 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 6.34 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 : 0.002 2151 REMARK 3 ANGLE : 0.571 2932 REMARK 3 CHIRALITY : 0.040 319 REMARK 3 PLANARITY : 0.002 384 REMARK 3 DIHEDRAL : 9.977 1274 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 5MJL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 01-DEC-16. REMARK 100 THE DEPOSITION ID IS D_1200002574. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-JUL-16 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 14-BM-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : L REMARK 200 WAVELENGTH OR RANGE (A) : 1.1-1.3 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RAYONIX MX340-HS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : PRECOGNITION/EPINORM REMARK 200 (RENZRESEARCH) REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9197 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 57.9 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.10000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 18.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.21 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.31 REMARK 200 COMPLETENESS FOR SHELL (%) : 26.1 REMARK 200 DATA REDUNDANCY IN SHELL : 15.31 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: LAUE REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX 1.10.1-2155_9999 REMARK 200 STARTING MODEL: 5AVJ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.6M MGSO4, 10 MM CACL2, 100 MM CHC REMARK 280 BUFFER PH 6.5, 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 54.15000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 34.15000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 34.15000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 81.22500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 34.15000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 34.15000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 27.07500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 34.15000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 34.15000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 81.22500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 34.15000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 34.15000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 27.07500 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 54.15000 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 990 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10520 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -12.0 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 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 HG1 THR A 20 O HOH A 406 1.59 REMARK 500 O HOH A 632 O HOH A 675 2.10 REMARK 500 O ALA A 273 O HOH A 401 2.16 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 -141.22 -154.89 REMARK 500 ASN A 161 45.58 -108.61 REMARK 500 ASN A 270 71.73 -111.35 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 717 DISTANCE = 5.82 ANGSTROMS REMARK 525 HOH A 718 DISTANCE = 5.92 ANGSTROMS REMARK 525 HOH A 719 DISTANCE = 5.93 ANGSTROMS REMARK 525 HOH A 720 DISTANCE = 6.17 ANGSTROMS REMARK 525 HOH A 721 DISTANCE = 6.38 ANGSTROMS REMARK 525 HOH A 722 DISTANCE = 6.49 ANGSTROMS 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 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 PRO A 175 O REMARK 620 2 VAL A 177 O 80.3 REMARK 620 3 ASP A 200 OD1 157.1 118.6 REMARK 620 4 ASP A 200 OD2 151.2 82.3 50.8 REMARK 620 5 HOH A 448 O 102.2 143.9 70.8 79.2 REMARK 620 6 HOH A 482 O 80.3 69.9 117.1 72.3 75.0 REMARK 620 7 HOH A 577 O 90.2 81.5 80.7 109.7 134.0 151.0 REMARK 620 8 HOH A 592 O 74.8 143.3 82.4 130.2 68.9 129.9 72.2 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 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NHE A 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EPE A 304 DBREF 5MJL A 1 279 UNP P06873 PRTK_ENGAL 106 384 SEQADV 5MJL ASP A 207 UNP P06873 SER 312 ENGINEERED MUTATION 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 301 1 HET CL A 302 1 HET NHE A 303 29 HET EPE A 304 32 HETNAM CA CALCIUM ION HETNAM CL CHLORIDE ION HETNAM NHE 2-[N-CYCLOHEXYLAMINO]ETHANE SULFONIC ACID HETNAM EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID HETSYN NHE N-CYCLOHEXYLTAURINE; CHES HETSYN EPE HEPES FORMUL 2 CA CA 2+ FORMUL 3 CL CL 1- FORMUL 4 NHE C8 H17 N O3 S FORMUL 5 EPE C8 H18 N2 O4 S FORMUL 6 HOH *322(H2 O) HELIX 1 AA1 PRO A 7 ILE A 13 1 7 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 LYS A 94 N LYS A 57 SHEET 3 AA2 7 CYS A 34 ASP A 39 1 N VAL A 37 O PHE A 91 SHEET 4 AA2 7 VAL A 127 LEU A 131 1 O VAL A 128 N TYR A 36 SHEET 5 AA2 7 MET A 154 ALA A 158 1 O ALA A 156 N LEU A 131 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 SER A 216 N TRP A 212 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 PRO A 175 CA CA A 301 1555 1555 2.45 LINK O VAL A 177 CA CA A 301 1555 1555 2.44 LINK OD1 ASP A 200 CA CA A 301 1555 1555 2.61 LINK OD2 ASP A 200 CA CA A 301 1555 1555 2.50 LINK CA CA A 301 O HOH A 448 1555 1555 2.58 LINK CA CA A 301 O HOH A 482 1555 1555 2.56 LINK CA CA A 301 O HOH A 577 1555 1555 2.41 LINK CA CA A 301 O HOH A 592 1555 1555 2.80 CISPEP 1 SER A 170 PRO A 171 0 -0.88 SITE 1 AC1 7 PRO A 175 VAL A 177 ASP A 200 HOH A 448 SITE 2 AC1 7 HOH A 482 HOH A 577 HOH A 592 SITE 1 AC2 2 SER A 140 ARG A 147 SITE 1 AC3 7 GLY A 102 GLN A 103 TYR A 104 GLY A 134 SITE 2 AC3 7 GLY A 135 HOH A 421 HOH A 556 SITE 1 AC4 10 ASN A 5 ALA A 6 PRO A 7 TRP A 8 SITE 2 AC4 10 SER A 21 ARG A 185 HOH A 405 HOH A 433 SITE 3 AC4 10 HOH A 487 HOH A 515 CRYST1 68.300 68.300 108.300 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 0.014641 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014641 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009234 0.00000