HEADER HYDROLASE/HYDROLASE INHIBITOR 07-APR-21 7MEQ TITLE CRYSTAL STRUCTURE OF HUMAN TMPRSS2 IN COMPLEX WITH NAFAMOSTAT COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSMEMBRANE PROTEASE SERINE 2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: SERINE PROTEASE 10; COMPND 5 EC: 3.4.21.-; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: TMPRSS2, PRSS10; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7108 KEYWDS COVID19, PROTEASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR B.FRASER,S.BELDAR,A.HUTCHINSON,Y.LI,A.SEITOVA,A.M.EDWARDS,F.BENARD, AUTHOR 2 C.H.ARROWSMITH,L.HALABELIAN,STRUCTURAL GENOMICS CONSORTIUM (SGC) REVDAT 6 16-OCT-24 7MEQ 1 REMARK REVDAT 5 18-OCT-23 7MEQ 1 JRNL REVDAT 4 07-SEP-22 7MEQ 1 JRNL REVDAT 3 22-JUN-22 7MEQ 1 JRNL REVDAT 2 03-NOV-21 7MEQ 1 JRNL REVDAT 1 21-APR-21 7MEQ 0 JRNL AUTH B.J.FRASER,S.BELDAR,A.SEITOVA,A.HUTCHINSON,D.MANNAR,Y.LI, JRNL AUTH 2 D.KWON,R.TAN,R.P.WILSON,K.LEOPOLD,S.SUBRAMANIAM, JRNL AUTH 3 L.HALABELIAN,C.H.ARROWSMITH,F.BENARD JRNL TITL STRUCTURE AND ACTIVITY OF HUMAN TMPRSS2 PROTEASE IMPLICATED JRNL TITL 2 IN SARS-COV-2 ACTIVATION. JRNL REF NAT.CHEM.BIOL. V. 18 963 2022 JRNL REFN ESSN 1552-4469 JRNL PMID 35676539 JRNL DOI 10.1038/S41589-022-01059-7 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH B.J.FRASER,S.BELDAR,A.SEITOVA,A.HUTCHINSON,D.MANNAR,Y.LI, REMARK 1 AUTH 2 D.KWON,R.TAN,R.P.WILSON,K.LEOPOLD,S.SUBRAMANIAM, REMARK 1 AUTH 3 L.HALABELIAN,C.H.ARROWSMITH,F.BENARD REMARK 1 TITL STRUCTURE, ACTIVITY AND INHIBITION OF HUMAN TMPRSS2, A REMARK 1 TITL 2 PROTEASE IMPLICATED IN SARS-COV-2 ACTIVATION REMARK 1 REF BIORXIV 2021 REMARK 1 REFN ISSN 2692-8205 REMARK 1 DOI 10.1101/2021.06.23.449282 REMARK 2 REMARK 2 RESOLUTION. 1.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.10.3 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.17 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.3 REMARK 3 NUMBER OF REFLECTIONS : 27797 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) : 0.193 REMARK 3 R VALUE (WORKING SET) : 0.192 REMARK 3 FREE R VALUE : 0.225 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.760 REMARK 3 FREE R VALUE TEST SET COUNT : 1322 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 50 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 1.96 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.30 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 556 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2232 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 533 REMARK 3 BIN R VALUE (WORKING SET) : 0.2226 REMARK 3 BIN FREE R VALUE : 0.2431 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.14 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 23 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.000 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2482 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 43 REMARK 3 SOLVENT ATOMS : 118 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 33.02 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 54.14 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -19.42080 REMARK 3 B22 (A**2) : 5.04720 REMARK 3 B33 (A**2) : 14.37360 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -7.66000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.320 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 0.147 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.135 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.147 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.136 REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.933 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.925 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 2598 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 3550 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 825 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES : 442 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 2598 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : NULL ; NULL ; NULL REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 338 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 2909 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.04 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 3.29 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 17.06 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: { A|* } REMARK 3 ORIGIN FOR THE GROUP (A): 7.3127 -8.3286 13.8778 REMARK 3 T TENSOR REMARK 3 T11: 0.1856 T22: -0.2074 REMARK 3 T33: -0.1874 T12: 0.0184 REMARK 3 T13: 0.0754 T23: -0.0142 REMARK 3 L TENSOR REMARK 3 L11: 0.8045 L22: 1.1951 REMARK 3 L33: 2.1824 L12: 0.0343 REMARK 3 L13: -0.1650 L23: -0.1946 REMARK 3 S TENSOR REMARK 3 S11: -0.0120 S12: 0.0613 S13: -0.0408 REMARK 3 S21: -0.0716 S22: 0.0310 S23: -0.0976 REMARK 3 S31: 0.0925 S32: 0.1445 S33: -0.0190 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7MEQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-APR-21. REMARK 100 THE DEPOSITION ID IS D_1000255490. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-FEB-21 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 24-ID-E REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97918 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.7.4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27823 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 43.080 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.6 REMARK 200 DATA REDUNDANCY : 4.400 REMARK 200 R MERGE (I) : 0.07600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.9 REMARK 200 DATA REDUNDANCY IN SHELL : 4.30 REMARK 200 R MERGE FOR SHELL (I) : 0.81100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 1Z8G REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.09 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.24 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30.0% (W/V) JEFFAMINE ED-2001 7.0, 0.1 REMARK 280 M HEPES PH7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y+1/2,-Z 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 25.71250 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 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 APPLY THE FOLLOWING TO CHAINS: A, B 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 109 REMARK 465 GLY A 110 REMARK 465 SER A 111 REMARK 465 LYS A 112 REMARK 465 CYS A 113 REMARK 465 SER A 114 REMARK 465 ASN A 115 REMARK 465 SER A 116 REMARK 465 GLY A 117 REMARK 465 ILE A 118 REMARK 465 GLU A 119 REMARK 465 CYS A 120 REMARK 465 ASP A 121 REMARK 465 SER A 122 REMARK 465 SER A 123 REMARK 465 GLY A 124 REMARK 465 THR A 125 REMARK 465 CYS A 126 REMARK 465 ILE A 127 REMARK 465 ASN A 128 REMARK 465 PRO A 129 REMARK 465 SER A 130 REMARK 465 ASN A 131 REMARK 465 TRP A 132 REMARK 465 CYS A 133 REMARK 465 ASP A 134 REMARK 465 GLY A 135 REMARK 465 VAL A 136 REMARK 465 SER A 137 REMARK 465 HIS A 138 REMARK 465 CYS A 139 REMARK 465 PRO A 140 REMARK 465 GLY A 141 REMARK 465 GLY A 142 REMARK 465 GLU A 143 REMARK 465 ASP A 144 REMARK 465 GLU A 145 REMARK 465 ASN A 146 REMARK 465 ARG A 147 REMARK 465 GLN A 164 REMARK 465 ARG A 165 REMARK 465 LYS A 166 REMARK 465 ASP A 203 REMARK 465 SER A 204 REMARK 465 GLY A 205 REMARK 465 SER A 206 REMARK 465 THR A 207 REMARK 465 GLY A 217 REMARK 465 ASN A 218 REMARK 465 VAL A 219 REMARK 465 ASP A 220 REMARK 465 ASP A 251 REMARK 465 ASP A 252 REMARK 465 ASP A 253 REMARK 465 ASP A 254 REMARK 465 LYS A 255 REMARK 465 GLY A 492 REMARK 465 GLU A 493 REMARK 465 PHE A 494 REMARK 465 VAL A 495 REMARK 465 GLU A 496 REMARK 465 HIS A 497 REMARK 465 HIS A 498 REMARK 465 HIS A 499 REMARK 465 HIS A 500 REMARK 465 HIS A 501 REMARK 465 HIS A 502 REMARK 465 HIS A 503 REMARK 465 HIS A 504 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 SER A 162 OG REMARK 470 SER A 163 OG REMARK 470 SER A 167 OG REMARK 470 ASN A 179 CG OD1 ND2 REMARK 470 LYS A 191 CG CD CE NZ REMARK 470 ILE A 200 CG1 CG2 CD1 REMARK 470 SER A 208 OG REMARK 470 ILE A 221 CG1 CG2 CD1 REMARK 470 LYS A 223 CG CD CE NZ REMARK 470 HIS A 227 CG ND1 CD2 CE1 NE2 REMARK 470 ASP A 229 CG OD1 OD2 REMARK 470 LYS A 234 CE NZ REMARK 470 LEU A 248 CG CD1 CD2 REMARK 470 LYS A 340 CD CE NZ REMARK 470 LYS A 353 CG CD CE NZ REMARK 470 LYS A 390 CE NZ REMARK 470 LYS A 392 CG CD CE NZ REMARK 470 ARG A 413 CG CD NE CZ NH1 NH2 REMARK 470 GLN A 438 CG CD OE1 NE2 REMARK 470 ARG A 486 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 489 CG CD NE CZ NH1 NH2 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 OG SER A 441 O GBS A 601 2.05 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 175 6.54 58.58 REMARK 500 LYS A 191 -103.39 47.94 REMARK 500 TYR A 195 -60.78 -121.91 REMARK 500 VAL A 415 -101.33 -107.09 REMARK 500 ASP A 417 77.70 31.58 REMARK 500 ASN A 433 -33.55 77.29 REMARK 500 REMARK 500 REMARK: NULL REMARK 999 REMARK 999 SEQUENCE REMARK 999 IN THIS CONSTRUCT SER250 IS DELETED AND RESIDUES 251-255 ARE REMARK 999 REPLACED WITH 251-DDDDK-255 TO MODIFY AUTOPROTEOLYTIC ACTIVITY. THE REMARK 999 PROTEIN IS EXPRESSED AS A ZYMOGEN AND ACTIVATED THROUGH REMARK 999 AUTOPROTEOLYTIC CLEAVAGE OF LOOP REGION RESIDUES 255-256. THE REMARK 999 CLEAVED I256 ADOPTS A CATALYTICALLY ACTIVE MODE BY FORMING A SALT REMARK 999 BRIDGE WITH ASP440. A SIMILAR ACTIVATION MECHANISM HAS BEEN REMARK 999 OBSERVED FOR OTHER PROTEASES SUCH AS PDB ID 6KD5. DBREF 7MEQ A 109 492 UNP O15393 TMPS2_HUMAN 109 492 SEQADV 7MEQ ASP A 251 UNP O15393 SER 250 CONFLICT SEQADV 7MEQ ASP A 252 UNP O15393 SER 251 CONFLICT SEQADV 7MEQ A UNP O15393 ARG 252 DELETION SEQADV 7MEQ ASP A 253 UNP O15393 GLN 253 CONFLICT SEQADV 7MEQ ASP A 254 UNP O15393 SER 254 CONFLICT SEQADV 7MEQ LYS A 255 UNP O15393 ARG 255 CONFLICT SEQADV 7MEQ GLU A 493 UNP O15393 EXPRESSION TAG SEQADV 7MEQ PHE A 494 UNP O15393 EXPRESSION TAG SEQADV 7MEQ VAL A 495 UNP O15393 EXPRESSION TAG SEQADV 7MEQ GLU A 496 UNP O15393 EXPRESSION TAG SEQADV 7MEQ HIS A 497 UNP O15393 EXPRESSION TAG SEQADV 7MEQ HIS A 498 UNP O15393 EXPRESSION TAG SEQADV 7MEQ HIS A 499 UNP O15393 EXPRESSION TAG SEQADV 7MEQ HIS A 500 UNP O15393 EXPRESSION TAG SEQADV 7MEQ HIS A 501 UNP O15393 EXPRESSION TAG SEQADV 7MEQ HIS A 502 UNP O15393 EXPRESSION TAG SEQADV 7MEQ HIS A 503 UNP O15393 EXPRESSION TAG SEQADV 7MEQ HIS A 504 UNP O15393 EXPRESSION TAG SEQRES 1 A 395 MET GLY SER LYS CYS SER ASN SER GLY ILE GLU CYS ASP SEQRES 2 A 395 SER SER GLY THR CYS ILE ASN PRO SER ASN TRP CYS ASP SEQRES 3 A 395 GLY VAL SER HIS CYS PRO GLY GLY GLU ASP GLU ASN ARG SEQRES 4 A 395 CYS VAL ARG LEU TYR GLY PRO ASN PHE ILE LEU GLN VAL SEQRES 5 A 395 TYR SER SER GLN ARG LYS SER TRP HIS PRO VAL CYS GLN SEQRES 6 A 395 ASP ASP TRP ASN GLU ASN TYR GLY ARG ALA ALA CYS ARG SEQRES 7 A 395 ASP MET GLY TYR LYS ASN ASN PHE TYR SER SER GLN GLY SEQRES 8 A 395 ILE VAL ASP ASP SER GLY SER THR SER PHE MET LYS LEU SEQRES 9 A 395 ASN THR SER ALA GLY ASN VAL ASP ILE TYR LYS LYS LEU SEQRES 10 A 395 TYR HIS SER ASP ALA CYS SER SER LYS ALA VAL VAL SER SEQRES 11 A 395 LEU ARG CYS ILE ALA CYS GLY VAL ASN LEU ASN ASP ASP SEQRES 12 A 395 ASP ASP LYS ILE VAL GLY GLY GLU SER ALA LEU PRO GLY SEQRES 13 A 395 ALA TRP PRO TRP GLN VAL SER LEU HIS VAL GLN ASN VAL SEQRES 14 A 395 HIS VAL CYS GLY GLY SER ILE ILE THR PRO GLU TRP ILE SEQRES 15 A 395 VAL THR ALA ALA HIS CYS VAL GLU LYS PRO LEU ASN ASN SEQRES 16 A 395 PRO TRP HIS TRP THR ALA PHE ALA GLY ILE LEU ARG GLN SEQRES 17 A 395 SER PHE MET PHE TYR GLY ALA GLY TYR GLN VAL GLU LYS SEQRES 18 A 395 VAL ILE SER HIS PRO ASN TYR ASP SER LYS THR LYS ASN SEQRES 19 A 395 ASN ASP ILE ALA LEU MET LYS LEU GLN LYS PRO LEU THR SEQRES 20 A 395 PHE ASN ASP LEU VAL LYS PRO VAL CYS LEU PRO ASN PRO SEQRES 21 A 395 GLY MET MET LEU GLN PRO GLU GLN LEU CYS TRP ILE SER SEQRES 22 A 395 GLY TRP GLY ALA THR GLU GLU LYS GLY LYS THR SER GLU SEQRES 23 A 395 VAL LEU ASN ALA ALA LYS VAL LEU LEU ILE GLU THR GLN SEQRES 24 A 395 ARG CYS ASN SER ARG TYR VAL TYR ASP ASN LEU ILE THR SEQRES 25 A 395 PRO ALA MET ILE CYS ALA GLY PHE LEU GLN GLY ASN VAL SEQRES 26 A 395 ASP SER CYS GLN GLY ASP SER GLY GLY PRO LEU VAL THR SEQRES 27 A 395 SER LYS ASN ASN ILE TRP TRP LEU ILE GLY ASP THR SER SEQRES 28 A 395 TRP GLY SER GLY CYS ALA LYS ALA TYR ARG PRO GLY VAL SEQRES 29 A 395 TYR GLY ASN VAL MET VAL PHE THR ASP TRP ILE TYR ARG SEQRES 30 A 395 GLN MET ARG ALA ASP GLY GLU PHE VAL GLU HIS HIS HIS SEQRES 31 A 395 HIS HIS HIS HIS HIS HET NAG B 1 14 HET NAG B 2 14 HET GBS A 601 12 HET UNX A 602 1 HET UNX A 603 1 HET UNX A 604 1 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM GBS 4-CARBAMIMIDAMIDOBENZOIC ACID HETNAM UNX UNKNOWN ATOM OR ION HETSYN NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA- HETSYN 2 NAG D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO- HETSYN 3 NAG 2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE HETSYN GBS NAFAMOSTAT, BOUND FORM FORMUL 2 NAG 2(C8 H15 N O6) FORMUL 3 GBS C8 H9 N3 O2 FORMUL 4 UNX 3(X) FORMUL 7 HOH *118(H2 O) HELIX 1 AA1 ASN A 177 MET A 188 1 12 HELIX 2 AA2 ALA A 294 GLU A 299 5 6 HELIX 3 AA3 ASN A 304 TRP A 306 5 3 HELIX 4 AA4 ARG A 316 MET A 320 5 5 HELIX 5 AA5 GLU A 406 ASN A 411 1 6 HELIX 6 AA6 VAL A 477 ASP A 491 1 15 SHEET 1 AA1 3 VAL A 149 TYR A 152 0 SHEET 2 AA1 3 ILE A 157 TYR A 161 -1 O GLN A 159 N ARG A 150 SHEET 3 AA1 3 TRP A 168 PRO A 170 -1 O HIS A 169 N VAL A 160 SHEET 1 AA2 2 SER A 196 ILE A 200 0 SHEET 2 AA2 2 VAL A 236 ARG A 240 -1 O ARG A 240 N SER A 196 SHEET 1 AA3 2 PHE A 209 LEU A 212 0 SHEET 2 AA3 2 LEU A 225 SER A 228 -1 O TYR A 226 N LYS A 211 SHEET 1 AA4 8 GLU A 260 SER A 261 0 SHEET 2 AA4 8 ASN A 398 ILE A 405 -1 O ALA A 399 N GLU A 260 SHEET 3 AA4 8 MET A 424 GLY A 428 -1 O CYS A 426 N ILE A 405 SHEET 4 AA4 8 GLY A 472 ASN A 476 -1 O TYR A 474 N ILE A 425 SHEET 5 AA4 8 ILE A 452 TRP A 461 -1 N TRP A 461 O VAL A 473 SHEET 6 AA4 8 PRO A 444 LYS A 449 -1 N THR A 447 O TRP A 454 SHEET 7 AA4 8 LEU A 378 GLY A 383 -1 N TRP A 380 O VAL A 446 SHEET 8 AA4 8 ASN A 398 ILE A 405 -1 O VAL A 402 N CYS A 379 SHEET 1 AA5 7 GLN A 270 VAL A 275 0 SHEET 2 AA5 7 VAL A 278 ILE A 285 -1 O CYS A 281 N LEU A 273 SHEET 3 AA5 7 TRP A 290 THR A 293 -1 O VAL A 292 N SER A 284 SHEET 4 AA5 7 ALA A 347 LEU A 351 -1 O ALA A 347 N THR A 293 SHEET 5 AA5 7 TYR A 326 SER A 333 -1 N GLU A 329 O LYS A 350 SHEET 6 AA5 7 TRP A 308 ALA A 312 -1 N ALA A 310 O TYR A 326 SHEET 7 AA5 7 GLN A 270 VAL A 275 -1 N HIS A 274 O THR A 309 SSBOND 1 CYS A 172 CYS A 231 1555 1555 2.04 SSBOND 2 CYS A 185 CYS A 241 1555 1555 2.04 SSBOND 3 CYS A 244 CYS A 365 1555 1555 2.04 SSBOND 4 CYS A 281 CYS A 297 1555 1555 2.04 SSBOND 5 CYS A 410 CYS A 426 1555 1555 2.04 SSBOND 6 CYS A 437 CYS A 465 1555 1555 2.05 LINK ND2 ASN A 213 C1 NAG B 1 1555 1555 1.44 LINK OG SER A 441 C6 GBS A 601 1555 1555 1.47 LINK O4 NAG B 1 C1 NAG B 2 1555 1555 1.43 CISPEP 1 LYS A 300 PRO A 301 0 7.04 CRYST1 59.445 51.425 64.353 90.00 91.53 90.00 P 1 21 1 2 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 0.016822 0.000000 0.000449 0.00000 SCALE2 0.000000 0.019446 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015545 0.00000