HEADER HYDROLASE/HYDROLASE INHIBITOR 26-SEP-01 1K22 TITLE HUMAN THROMBIN-INHIBITOR COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTHROMBIN; COMPND 3 CHAIN: L; COMPND 4 FRAGMENT: THROMBIN LIGHT CHAIN, RESIDUES 323-363; COMPND 5 SYNONYM: ALPHA-THROMBIN, COAGULATION FACTOR II; COMPND 6 EC: 3.4.21.5; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: PROTHROMBIN; COMPND 9 CHAIN: H; COMPND 10 FRAGMENT: THROMBIN HEAVY CHAIN, RESIDUES 364-622; COMPND 11 SYNONYM: ALPHA-THROMBIN, COAGULATION FACTOR II; COMPND 12 EC: 3.4.21.5; COMPND 13 MOL_ID: 3; COMPND 14 MOLECULE: HIRUDIN VARIANT-2; COMPND 15 CHAIN: I; COMPND 16 FRAGMENT: RESIDUES 60-71 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 7 ORGANISM_COMMON: HUMAN; SOURCE 8 ORGANISM_TAXID: 9606; SOURCE 9 MOL_ID: 3; SOURCE 10 ORGANISM_SCIENTIFIC: HIRUDO MEDICINALIS; SOURCE 11 ORGANISM_COMMON: MEDICINAL LEECH; SOURCE 12 ORGANISM_TAXID: 6421 KEYWDS COMPLEX (SERINE PROTEASE-INHIBITOR), HYDROLASE, HYDROLASE-HYDROLASE KEYWDS 2 INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR M.T.STUBBS,D.MUSIL REVDAT 4 29-JUL-20 1K22 1 COMPND REMARK HETNAM LINK REVDAT 4 2 1 SITE ATOM REVDAT 3 13-JUL-11 1K22 1 VERSN REVDAT 2 24-FEB-09 1K22 1 VERSN REVDAT 1 08-MAY-02 1K22 0 JRNL AUTH F.DULLWEBER,M.T.STUBBS,D.MUSIL,J.STURZEBECHER,G.KLEBE JRNL TITL FACTORISING LIGAND AFFINITY: A COMBINED THERMODYNAMIC AND JRNL TITL 2 CRYSTALLOGRAPHIC STUDY OF TRYPSIN AND THROMBIN INHIBITION. JRNL REF J.MOL.BIOL. V. 313 593 2001 JRNL REFN ISSN 0022-2836 JRNL PMID 11676542 JRNL DOI 10.1006/JMBI.2001.5062 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.RENATUS,W.BODE,R.HUBER,J.STUERZEBECHER,M.T.STUBBS REMARK 1 TITL STRUCTURAL AND FUNCTIONAL ANALYSES OF BENZAMIDINE-BASED REMARK 1 TITL 2 INHIBITORS IN COMPLEX WITH TRYPSIN: IMPLICATIONS FOR THE REMARK 1 TITL 3 INHIBITION OF FACTOR XA, TPA, AND UROKINASE REMARK 1 REF J.MED.CHEM. V. 41 5445 1998 REMARK 1 REFN ISSN 0022-2623 REMARK 1 DOI 10.1021/JM981068G REMARK 1 REFERENCE 2 REMARK 1 AUTH M.T.STUBBS,R.HUBER,W.BODE REMARK 1 TITL CRYSTAL STRUCTURES OF FACTOR XA SPECIFIC INHIBITORS IN REMARK 1 TITL 2 COMPLEX WITH TRYPSIN: STRUCTURAL GROUNDS FOR INHIBITION OF REMARK 1 TITL 3 FACTOR XA AND SELECTIVITY AGAINST THROMBIN REMARK 1 REF FEBS LETT. V. 375 103 1995 REMARK 1 REFN ISSN 0014-5793 REMARK 1 DOI 10.1016/0014-5793(95)01190-P REMARK 1 REFERENCE 3 REMARK 1 AUTH M.T.STUBBS,W.BODE REMARK 1 TITL A PLAYER OF MANY PARTS: THE SPOTLIGHT FALLS ON THROMBIN'S REMARK 1 TITL 2 STRUCTURE REMARK 1 REF THROMB.RES. V. 69 1 1993 REMARK 1 REFN ISSN 0049-3848 REMARK 1 DOI 10.1016/0049-3848(93)90002-6 REMARK 2 REMARK 2 RESOLUTION. 1.93 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.93 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 500.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 25984 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 SET) : 0.197 REMARK 3 FREE R VALUE : 0.214 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.93 REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2358 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 61 REMARK 3 SOLVENT ATOMS : 239 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : 10.0 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.290 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 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 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1K22 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-OCT-01. REMARK 100 THE DEPOSITION ID IS D_1000014462. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUN-99 REMARK 200 TEMPERATURE (KELVIN) : 287 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25984 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.930 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 3.900 REMARK 200 R MERGE (I) : 0.05400 REMARK 200 R SYM (I) : 0.05400 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.93 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : 98.3 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.29800 REMARK 200 R SYM FOR SHELL (I) : 0.29800 REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.47 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.48 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 34.68500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 35.74500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 34.68500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 35.74500 REMARK 290 SMTRY3 4 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: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: L, H, I, 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 400 REMARK 400 COMPOUND REMARK 400 CHYMOTRYPSIN NUMBERING (RATHER THAN SEQUENTIAL) SYSTEM IS REMARK 400 USED, BASED ON THE TOPOLOGICAL ALIGNMENT WITH THE REMARK 400 STRUCTURE OF CHYMOTRYPSIN (W.BODE ET AL., 1989, EMBO J. 8, REMARK 400 3467-3475). 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 THR L 1H REMARK 465 PHE L 1G REMARK 465 GLY L 1F REMARK 465 SER L 1E REMARK 465 GLY L 1D REMARK 465 GLY L 14M REMARK 465 ARG L 15 REMARK 465 TRP H 147A REMARK 465 THR H 147B REMARK 465 ALA H 147C REMARK 465 ASN H 147D REMARK 465 VAL H 147E REMARK 465 GLY H 147F REMARK 465 LYS H 147G REMARK 465 GLU H 247 REMARK 465 ASN I 53 REMARK 465 GLY I 54 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 GLU I 61 CB CG CD OE1 OE2 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 GLU L 1C CG CD OE1 OE2 REMARK 480 LYS H 236 CD CE NZ REMARK 480 LEU I 64 CG CD1 CD2 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 PHE L 7 -86.84 -133.47 REMARK 500 CYS H 42 177.32 171.85 REMARK 500 TYR H 60A 83.12 -156.87 REMARK 500 ASN H 60G 76.77 -165.36 REMARK 500 HIS H 71 -58.70 -134.33 REMARK 500 ILE H 79 -60.65 -123.04 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 HETATM MEL CORRESPONDS TO INHIBITOR 5 OF DULLWEBER ET AL. 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 NA H 392 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LYS H 169 O REMARK 620 2 THR H 172 O 81.8 REMARK 620 3 PHE H 204A O 100.4 99.0 REMARK 620 4 HOH H 436 O 172.3 93.6 86.3 REMARK 620 5 HOH H 518 O 66.6 72.7 165.1 106.2 REMARK 620 6 HOH H 574 O 80.6 162.4 85.2 103.8 99.2 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA H 391 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ARG H 221A O REMARK 620 2 LYS H 224 O 93.6 REMARK 620 3 HOH H 419 O 160.1 68.9 REMARK 620 4 HOH H 434 O 109.3 157.1 88.3 REMARK 620 5 HOH H 438 O 91.6 96.7 81.5 82.3 REMARK 620 6 HOH H 445 O 98.5 84.5 89.5 92.6 169.8 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1K1I RELATED DB: PDB REMARK 900 BOVINE TRYPSIN - INHIBITOR COMPLEX REMARK 900 RELATED ID: 1K1J RELATED DB: PDB REMARK 900 BOVINE TRYPSIN - INHIBITOR COMPLEX REMARK 900 RELATED ID: 1K1M RELATED DB: PDB REMARK 900 BOVINE TRYPSIN - INHIBITOR COMPLEX REMARK 900 RELATED ID: 1K1L RELATED DB: PDB REMARK 900 BOVINE TRYPSIN - INHIBITOR COMPLEX REMARK 900 RELATED ID: 1K1N RELATED DB: PDB REMARK 900 BOVINE TRYPSIN - INHIBITOR COMPLEX REMARK 900 RELATED ID: 1K1O RELATED DB: PDB REMARK 900 BOVINE TRYPSIN - INHIBITOR COMPLEX REMARK 900 RELATED ID: 1K1P RELATED DB: PDB REMARK 900 BOVINE TRYPSIN - INHIBITOR COMPLEX REMARK 900 RELATED ID: 1K21 RELATED DB: PDB REMARK 900 HUMAN THROMBIN - INHIBITOR COMPLEX REMARK 999 REMARK 999 SEQUENCE REMARK 999 THROMBIN IS CLEAVED BETWEEN RESIDUES 15 AND 16. CHAIN REMARK 999 IDENTIFIER *L* IS USED FOR RESIDUES 1H - 15 AND CHAIN REMARK 999 IDENTIFIER *H* IS USED FOR RESIDUES 16 - 247. CHAIN REMARK 999 IDENTIFIER *I* IS USED FOR HIRUGEN, THE CARBOXYL TERMINUS REMARK 999 OF HIRUDIN, WHICH OCCUPIES THE EXOSITE. DBREF 1K22 L 1H 15 UNP P00734 THRB_HUMAN 328 363 DBREF 1K22 H 16 247 UNP P00734 THRB_HUMAN 364 622 DBREF 1K22 I 53 64 UNP P09945 ITH3_HIRME 60 71 SEQRES 1 L 36 THR PHE GLY SER GLY GLU ALA ASP CYS GLY LEU ARG PRO SEQRES 2 L 36 LEU PHE GLU LYS LYS SER LEU GLU ASP LYS THR GLU ARG SEQRES 3 L 36 GLU LEU LEU GLU SER TYR ILE ASP GLY ARG SEQRES 1 H 259 ILE VAL GLU GLY SER ASP ALA GLU ILE GLY MET SER PRO SEQRES 2 H 259 TRP GLN VAL MET LEU PHE ARG LYS SER PRO GLN GLU LEU SEQRES 3 H 259 LEU CYS GLY ALA SER LEU ILE SER ASP ARG TRP VAL LEU SEQRES 4 H 259 THR ALA ALA HIS CYS LEU LEU TYR PRO PRO TRP ASP LYS SEQRES 5 H 259 ASN PHE THR GLU ASN ASP LEU LEU VAL ARG ILE GLY LYS SEQRES 6 H 259 HIS SER ARG THR ARG TYR GLU ARG ASN ILE GLU LYS ILE SEQRES 7 H 259 SER MET LEU GLU LYS ILE TYR ILE HIS PRO ARG TYR ASN SEQRES 8 H 259 TRP ARG GLU ASN LEU ASP ARG ASP ILE ALA LEU MET LYS SEQRES 9 H 259 LEU LYS LYS PRO VAL ALA PHE SER ASP TYR ILE HIS PRO SEQRES 10 H 259 VAL CYS LEU PRO ASP ARG GLU THR ALA ALA SER LEU LEU SEQRES 11 H 259 GLN ALA GLY TYR LYS GLY ARG VAL THR GLY TRP GLY ASN SEQRES 12 H 259 LEU LYS GLU THR TRP THR ALA ASN VAL GLY LYS GLY GLN SEQRES 13 H 259 PRO SER VAL LEU GLN VAL VAL ASN LEU PRO ILE VAL GLU SEQRES 14 H 259 ARG PRO VAL CYS LYS ASP SER THR ARG ILE ARG ILE THR SEQRES 15 H 259 ASP ASN MET PHE CYS ALA GLY TYR LYS PRO ASP GLU GLY SEQRES 16 H 259 LYS ARG GLY ASP ALA CYS GLU GLY ASP SER GLY GLY PRO SEQRES 17 H 259 PHE VAL MET LYS SER PRO PHE ASN ASN ARG TRP TYR GLN SEQRES 18 H 259 MET GLY ILE VAL SER TRP GLY GLU GLY CYS ASP ARG ASP SEQRES 19 H 259 GLY LYS TYR GLY PHE TYR THR HIS VAL PHE ARG LEU LYS SEQRES 20 H 259 LYS TRP ILE GLN LYS VAL ILE ASP GLN PHE GLY GLU SEQRES 1 I 12 ASN GLY ASP PHE GLU GLU ILE PRO GLU GLU TYS LEU MODRES 1K22 ASN H 60G ASN GLYCOSYLATION SITE MODRES 1K22 TYS I 63 TYR O-SULFO-L-TYROSINE HET TYS I 63 16 HET NAG A 1 14 HET NAG A 2 14 HET NA H 391 1 HET NA H 392 1 HET MEL H 999 31 HETNAM TYS O-SULFO-L-TYROSINE HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM NA SODIUM ION HETNAM MEL [((1R)-2-{(2S)-2-[({4-[AMINO(IMINO) HETNAM 2 MEL METHYL]BENZYL}AMINO)CARBONYL]AZETIDINYL}-1-CYCLOHEXYL- HETNAM 3 MEL 2-OXOETHYL)AMINO]ACETIC ACID HETSYN MEL MELAGATRAN (ASTRA-ZENECA) FORMUL 3 TYS C9 H11 N O6 S FORMUL 4 NAG 2(C8 H15 N O6) FORMUL 5 NA 2(NA 1+) FORMUL 7 MEL C22 H31 N5 O4 FORMUL 8 HOH *239(H2 O) HELIX 1 1 PHE L 7 SER L 11 5 5 HELIX 2 2 THR L 14B TYR L 14J 1 9 HELIX 3 3 ALA H 55 CYS H 58 5 4 HELIX 4 4 PRO H 60B ASP H 60E 5 4 HELIX 5 5 THR H 60I ASN H 62 5 3 HELIX 6 6 ASP H 125 LEU H 130 1 9 HELIX 7 7 GLU H 164 SER H 171 1 8 HELIX 8 8 LYS H 185 GLY H 186C 5 5 HELIX 9 9 LEU H 234 GLY H 246 1 13 HELIX 10 10 PRO I 60 LEU I 64 5 5 SHEET 1 A 7 SER H 20 ASP H 21 0 SHEET 2 A 7 GLN H 156 PRO H 161 -1 O VAL H 157 N SER H 20 SHEET 3 A 7 LYS H 135 GLY H 140 -1 N VAL H 138 O VAL H 158 SHEET 4 A 7 PRO H 198 LYS H 202 -1 O VAL H 200 N ARG H 137 SHEET 5 A 7 TRP H 207 TRP H 215 -1 O TYR H 208 N MET H 201 SHEET 6 A 7 GLY H 226 HIS H 230 -1 O PHE H 227 N TRP H 215 SHEET 7 A 7 MET H 180 ALA H 183 -1 N PHE H 181 O TYR H 228 SHEET 1 B 7 GLN H 30 ARG H 35 0 SHEET 2 B 7 GLU H 39 LEU H 46 -1 O CYS H 42 N LEU H 33 SHEET 3 B 7 TRP H 51 THR H 54 -1 O LEU H 53 N SER H 45 SHEET 4 B 7 ALA H 104 LEU H 108 -1 O ALA H 104 N THR H 54 SHEET 5 B 7 LYS H 81 ILE H 90 -1 N TYR H 89 O LEU H 105 SHEET 6 B 7 LEU H 64 ILE H 68 -1 N VAL H 66 O SER H 83 SHEET 7 B 7 GLN H 30 ARG H 35 -1 N PHE H 34 O LEU H 65 SSBOND 1 CYS L 1 CYS H 122 1555 1555 2.47 SSBOND 2 CYS H 42 CYS H 58 1555 1555 2.43 SSBOND 3 CYS H 168 CYS H 182 1555 1555 2.43 SSBOND 4 CYS H 191 CYS H 220 1555 1555 2.57 LINK ND2 ASN H 60G C1 NAG A 1 1555 1555 1.45 LINK C GLU I 62 N TYS I 63 1555 1555 1.33 LINK C TYS I 63 N LEU I 64 1555 1555 1.33 LINK O4 NAG A 1 C1 NAG A 2 1555 1555 1.38 LINK O LYS H 169 NA NA H 392 1555 1555 2.43 LINK O THR H 172 NA NA H 392 1555 1555 2.32 LINK O PHE H 204A NA NA H 392 4546 1555 2.36 LINK O ARG H 221A NA NA H 391 1555 1555 2.37 LINK O LYS H 224 NA NA H 391 1555 1555 2.34 LINK NA NA H 391 O HOH H 419 1555 1555 2.56 LINK NA NA H 391 O HOH H 434 1555 1555 2.51 LINK NA NA H 391 O HOH H 438 1555 1555 2.61 LINK NA NA H 391 O HOH H 445 1555 1555 2.32 LINK NA NA H 392 O HOH H 436 1555 4546 2.32 LINK NA NA H 392 O HOH H 518 1555 1555 2.95 LINK NA NA H 392 O HOH H 574 1555 1555 2.39 CISPEP 1 SER H 36A PRO H 37 0 -0.14 SITE 1 CAT 3 HIS H 57 ASP H 102 SER H 195 CRYST1 69.370 71.490 72.141 90.00 100.36 90.00 C 1 2 1 4 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 0.014415 0.000000 0.002635 0.00000 SCALE2 0.000000 0.013988 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014091 0.00000