2A0Q - Header Asymmetric Unit

HEADER HYDROLASE 16-JUN-05 2A0Q

TITLE STRUCTURE OF THROMBIN IN 400 MM POTASSIUM CHLORIDE

COMPND MOL_ID: 1; COMPND 2 MOLECULE: THROMBIN, LIGHT CHAIN; COMPND 3 CHAIN: A, C; COMPND 4 SYNONYM: COAGULATION FACTOR II; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: THROMBIN, HEAVY CHAIN; COMPND 8 CHAIN: B, D; COMPND 9 SYNONYM: COAGULATION FACTOR II; COMPND 10 EC: 3.4.21.5; COMPND 11 ENGINEERED: YES; COMPND 12 MUTATION: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: F2; SOURCE 6 EXPRESSION_SYSTEM: CRICETULUS GRISEUS; SOURCE 7 EXPRESSION_SYSTEM_COMMON: CHINESE HAMSTER; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 10029; SOURCE 9 EXPRESSION_SYSTEM_CELL: KIDNEY CELLS; SOURCE 10 EXPRESSION_SYSTEM_VECTOR: HPC4-PNUT; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 13 ORGANISM_COMMON: HUMAN; SOURCE 14 ORGANISM_TAXID: 9606; SOURCE 15 GENE: F2; SOURCE 16 EXPRESSION_SYSTEM: CRICETULUS GRISEUS; SOURCE 17 EXPRESSION_SYSTEM_COMMON: CHINESE HAMSTER; SOURCE 18 EXPRESSION_SYSTEM_TAXID: 10029; SOURCE 19 EXPRESSION_SYSTEM_CELL: KIDNEY CELLS; SOURCE 20 EXPRESSION_SYSTEM_VECTOR: HPC4-PNUT

KEYWDS SERINE PROTEASE, HYDROLASE

EXPDTA X-RAY DIFFRACTION

AUTHOR M.PAPACONSTANTINOU,C.J.CARRELL,A.O.PINEDA,K.M.BOBOFCHAK, AUTHOR 2 F.S.MATHEWS,C.S.FLORDELLIS,M.E.MARAGOUDAKIS,N.E.TSOPANOGLOU, AUTHOR 3 E.DI CERA

REVDAT 3 24-FEB-09 2A0Q 1 VERSN REVDAT 2 30-AUG-05 2A0Q 1 REMARK DBREF JRNL REVDAT 1 12-JUL-05 2A0Q 0

JRNL AUTH M.E.PAPACONSTANTINOU,C.J.CARRELL,A.O.PINEDA, JRNL AUTH 2 K.M.BOBOFCHAK,F.S.MATHEWS,C.S.FLORDELLIS, JRNL AUTH 3 M.E.MARAGOUDAKIS,N.E.TSOPANOGLOU,E.DI CERA JRNL TITL THROMBIN FUNCTIONS THROUGH ITS RGD SEQUENCE IN A JRNL TITL 2 NON-CANONICAL CONFORMATION. JRNL REF J.BIOL.CHEM. V. 280 29393 2005 JRNL REFN ISSN 0021-9258 JRNL PMID 15998637 JRNL DOI 10.1074/JBC.C500248200

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.40 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 91.6 REMARK 3 NUMBER OF REFLECTIONS : 47495 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.195 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.500 REMARK 3 FREE R VALUE TEST SET COUNT : 2352 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) : NULL 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 : 4420 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 18 REMARK 3 SOLVENT ATOMS : 311 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.12 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.06500 REMARK 3 B22 (A**2) : -8.95800 REMARK 3 B33 (A**2) : 9.02300 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 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) : NULL 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) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.71 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.94 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 53.18 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : CARBOHYDRATE.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : FAST1_PPACK.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : CARBOHYDRATE.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : FAST1_PPACK.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 2A0Q COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-JUN-05. REMARK 100 THE RCSB ID CODE IS RCSB033346.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-DEC-04 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 6.6 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-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.90000 REMARK 200 MONOCHROMATOR : BENT GE 111 REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 49296 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 29.400 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.6 REMARK 200 DATA REDUNDANCY : 4.900 REMARK 200 R MERGE (I) : 0.08000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 16.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.0 REMARK 200 DATA REDUNDANCY IN SHELL : 5.00 REMARK 200 R MERGE FOR SHELL (I) : 0.40500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG-MME 2000, POTASSIUM CHLORIDE, REMARK 280 BIS-TRIS, PH 6.6, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 293K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 29.25500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 79.08000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 34.87000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 79.08000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 29.25500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 34.87000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL

REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A HETERODIMER OF CHAINS A AND REMARK 300 B

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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2940 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12430 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -8.0 KCAL/MOL 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2260 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13000 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -19.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6540 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24100 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -30.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 ASN B 142A REMARK 465 LEU B 142B REMARK 465 LYS B 142C REMARK 465 GLU B 142D REMARK 465 THR B 142E REMARK 465 TRP B 142F REMARK 465 THR B 142G REMARK 465 ALA B 142H REMARK 465 ASN B 142I REMARK 465 VAL B 142J REMARK 465 GLY B 142K REMARK 465 LYS B 142L REMARK 465 GLY B 142M REMARK 465 GLN B 142N REMARK 465 PRO B 142O REMARK 465 GLY C 15 REMARK 465 ARG C 16 REMARK 465 TRP D 147A REMARK 465 THR D 147B REMARK 465 ALA D 147C REMARK 465 ASN D 147D REMARK 465 VAL D 147E REMARK 465 GLY D 147F REMARK 465 LYS D 147G REMARK 465 GLY D 147H REMARK 465 ASP D 220A REMARK 465 ARG D 220B REMARK 465 ASP D 220C REMARK 465 GLY D 220D

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 LEU D 65 CA - CB - CG ANGL. DEV. = 14.2 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 PHE A 7 -84.54 -131.02 REMARK 500 TYR B 60A 83.51 -153.42 REMARK 500 ASN B 60G 70.76 -156.95 REMARK 500 ILE B 79 -62.27 -121.57 REMARK 500 ASN B 98 17.64 -154.13 REMARK 500 PHE C 7 -85.21 -131.80 REMARK 500 TYR D 60A 79.74 -157.71 REMARK 500 ASN D 60G 59.98 -163.43 REMARK 500 ASN D 78 -11.68 78.48 REMARK 500 ILE D 79 -53.71 -121.82 REMARK 500 GLU D 97A -58.31 -125.08 REMARK 500 ASN D 98 15.97 -145.46 REMARK 500 TRP D 141 -108.72 -123.35 REMARK 500 ASP D 170 65.73 -103.75 REMARK 500 SER D 171 -11.34 -160.86 REMARK 500 PRO D 186 -31.88 -37.11 REMARK 500 ASP D 186A -90.09 -89.38 REMARK 500 GLU D 186B 62.00 6.27 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 K B 403 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 418 O REMARK 620 2 HOH B 510 O 65.8 REMARK 620 3 LYS B 224 O 59.1 89.2 REMARK 620 4 HOH B 434 O 107.3 87.1 166.2 REMARK 620 5 TYR B 184A O 158.4 96.1 111.4 82.3 REMARK 620 6 ARG B 221A O 68.5 133.7 73.9 99.2 130.2 REMARK 620 7 HOH B 409 O 148.0 145.0 103.0 87.4 48.9 81.3 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K D 404 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 420 O REMARK 620 2 HOH B 476 O 66.7 REMARK 620 3 ILE D 16 O 114.3 79.4 REMARK 620 4 HOH D 447 O 173.5 119.8 69.3 REMARK 620 5 GLY D 142 O 88.4 155.1 113.9 85.1 REMARK 620 6 HOH D 472 O 69.0 96.2 60.6 109.8 74.7 REMARK 620 7 ASP B 221 O 86.8 87.2 147.2 92.5 90.4 151.5 REMARK 620 N 1 2 3 4 5 6

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NDG B 401 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL D 402 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 403 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K D 404

DBREF 2A0Q A 1 14 UNP P00734 THRB_HUMAN 334 363 DBREF 2A0Q C 1 14 UNP P00734 THRB_HUMAN 334 363 DBREF 2A0Q B 16 245 UNP P00734 THRB_HUMAN 364 620 DBREF 2A0Q D 16 245 UNP P00734 THRB_HUMAN 364 620

SEQADV 2A0Q ALA B 77A UNP P00734 ARG 436 ENGINEERED SEQADV 2A0Q ALA D 77A UNP P00734 ARG 436 ENGINEERED

SEQRES 1 A 30 ALA ASP CYS GLY LEU ARG PRO LEU PHE GLU LYS LYS SER SEQRES 2 A 30 LEU GLU ASP LYS THR GLU ARG GLU LEU LEU GLU SER TYR SEQRES 3 A 30 ILE ASP GLY ARG SEQRES 1 B 257 ILE VAL GLU GLY SER ASP ALA GLU ILE GLY MET SER PRO SEQRES 2 B 257 TRP GLN VAL MET LEU PHE ARG LYS SER PRO GLN GLU LEU SEQRES 3 B 257 LEU CYS GLY ALA SER LEU ILE SER ASP ARG TRP VAL LEU SEQRES 4 B 257 THR ALA ALA HIS CYS LEU LEU TYR PRO PRO TRP ASP LYS SEQRES 5 B 257 ASN PHE THR GLU ASN ASP LEU LEU VAL ARG ILE GLY LYS SEQRES 6 B 257 HIS SER ARG THR ARG TYR GLU ALA ASN ILE GLU LYS ILE SEQRES 7 B 257 SER MET LEU GLU LYS ILE TYR ILE HIS PRO ARG TYR ASN SEQRES 8 B 257 TRP ARG GLU ASN LEU ASP ARG ASP ILE ALA LEU MET LYS SEQRES 9 B 257 LEU LYS LYS PRO VAL ALA PHE SER ASP TYR ILE HIS PRO SEQRES 10 B 257 VAL CYS LEU PRO ASP ARG GLU THR ALA ALA SER LEU LEU SEQRES 11 B 257 GLN ALA GLY TYR LYS GLY ARG VAL THR GLY TRP GLY ASN SEQRES 12 B 257 LEU LYS GLU THR TRP THR ALA ASN VAL GLY LYS GLY GLN SEQRES 13 B 257 PRO SER VAL LEU GLN VAL VAL ASN LEU PRO ILE VAL GLU SEQRES 14 B 257 ARG PRO VAL CYS LYS ASP SER THR ARG ILE ARG ILE THR SEQRES 15 B 257 ASP ASN MET PHE CYS ALA GLY TYR LYS PRO ASP GLU GLY SEQRES 16 B 257 LYS ARG GLY ASP ALA CYS GLU GLY ASP SER GLY GLY PRO SEQRES 17 B 257 PHE VAL MET LYS SER PRO PHE ASN ASN ARG TRP TYR GLN SEQRES 18 B 257 MET GLY ILE VAL SER TRP GLY GLU GLY CYS ASP ARG ASP SEQRES 19 B 257 GLY LYS TYR GLY PHE TYR THR HIS VAL PHE ARG LEU LYS SEQRES 20 B 257 LYS TRP ILE GLN LYS VAL ILE ASP GLN PHE SEQRES 1 C 30 ALA ASP CYS GLY LEU ARG PRO LEU PHE GLU LYS LYS SER SEQRES 2 C 30 LEU GLU ASP LYS THR GLU ARG GLU LEU LEU GLU SER TYR SEQRES 3 C 30 ILE ASP GLY ARG SEQRES 1 D 257 ILE VAL GLU GLY SER ASP ALA GLU ILE GLY MET SER PRO SEQRES 2 D 257 TRP GLN VAL MET LEU PHE ARG LYS SER PRO GLN GLU LEU SEQRES 3 D 257 LEU CYS GLY ALA SER LEU ILE SER ASP ARG TRP VAL LEU SEQRES 4 D 257 THR ALA ALA HIS CYS LEU LEU TYR PRO PRO TRP ASP LYS SEQRES 5 D 257 ASN PHE THR GLU ASN ASP LEU LEU VAL ARG ILE GLY LYS SEQRES 6 D 257 HIS SER ARG THR ARG TYR GLU ALA ASN ILE GLU LYS ILE SEQRES 7 D 257 SER MET LEU GLU LYS ILE TYR ILE HIS PRO ARG TYR ASN SEQRES 8 D 257 TRP ARG GLU ASN LEU ASP ARG ASP ILE ALA LEU MET LYS SEQRES 9 D 257 LEU LYS LYS PRO VAL ALA PHE SER ASP TYR ILE HIS PRO SEQRES 10 D 257 VAL CYS LEU PRO ASP ARG GLU THR ALA ALA SER LEU LEU SEQRES 11 D 257 GLN ALA GLY TYR LYS GLY ARG VAL THR GLY TRP GLY ASN SEQRES 12 D 257 LEU LYS GLU THR TRP THR ALA ASN VAL GLY LYS GLY GLN SEQRES 13 D 257 PRO SER VAL LEU GLN VAL VAL ASN LEU PRO ILE VAL GLU SEQRES 14 D 257 ARG PRO VAL CYS LYS ASP SER THR ARG ILE ARG ILE THR SEQRES 15 D 257 ASP ASN MET PHE CYS ALA GLY TYR LYS PRO ASP GLU GLY SEQRES 16 D 257 LYS ARG GLY ASP ALA CYS GLU GLY ASP SER GLY GLY PRO SEQRES 17 D 257 PHE VAL MET LYS SER PRO PHE ASN ASN ARG TRP TYR GLN SEQRES 18 D 257 MET GLY ILE VAL SER TRP GLY GLU GLY CYS ASP ARG ASP SEQRES 19 D 257 GLY LYS TYR GLY PHE TYR THR HIS VAL PHE ARG LEU LYS SEQRES 20 D 257 LYS TRP ILE GLN LYS VAL ILE ASP GLN PHE

HET NDG B 401 15 HET CL D 402 1 HET K B 403 1 HET K D 404 1

HETNAM NDG 2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE HETNAM CL CHLORIDE ION HETNAM K POTASSIUM ION

FORMUL 5 NDG C8 H15 N O6 FORMUL 6 CL CL 1- FORMUL 7 K 2(K 1+) FORMUL 9 HOH *311(H2 O)

HELIX 1 1 PHE A 7 SER A 11 5 5 HELIX 2 2 THR A 14B GLY A 14M 1 12 HELIX 3 3 ALA B 55 CYS B 58 5 4 HELIX 4 4 PRO B 60B ASP B 60E 5 4 HELIX 5 5 THR B 60I ASN B 62 5 3 HELIX 6 6 ASP B 125 LEU B 130 1 9 HELIX 7 7 GLU B 164 SER B 171 1 8 HELIX 8 8 CYS B 191 SER B 195 5 5 HELIX 9 9 LEU B 234 PHE B 245 1 12 HELIX 10 10 PHE C 7 SER C 11 5 5 HELIX 11 11 THR C 14B TYR C 14J 1 9 HELIX 12 12 ALA D 55 LEU D 59 1 5 HELIX 13 13 PRO D 60B ASP D 60E 5 4 HELIX 14 14 THR D 60I ASN D 62 5 3 HELIX 15 15 ASP D 125 LEU D 130 1 9 HELIX 16 16 GLU D 164 ASP D 170 1 7 HELIX 17 17 LEU D 234 PHE D 245 1 12

SHEET 1 A 7 SER B 20 ASP B 21 0 SHEET 2 A 7 GLN B 156 PRO B 161 -1 O VAL B 157 N SER B 20 SHEET 3 A 7 LYS B 135 GLY B 140 -1 N GLY B 140 O GLN B 156 SHEET 4 A 7 PRO B 198 LYS B 202 -1 O VAL B 200 N ARG B 137 SHEET 5 A 7 TRP B 207 TRP B 215 -1 O TYR B 208 N MET B 201 SHEET 6 A 7 GLY B 226 HIS B 230 -1 O PHE B 227 N TRP B 215 SHEET 7 A 7 MET B 180 ALA B 183 -1 N PHE B 181 O TYR B 228 SHEET 1 B 7 GLN B 30 ARG B 35 0 SHEET 2 B 7 GLU B 39 LEU B 46 -1 O GLU B 39 N ARG B 35 SHEET 3 B 7 TRP B 51 THR B 54 -1 O LEU B 53 N SER B 45 SHEET 4 B 7 ALA B 104 LEU B 108 -1 O ALA B 104 N THR B 54 SHEET 5 B 7 LYS B 81 ILE B 90 -1 N GLU B 86 O LYS B 107 SHEET 6 B 7 LEU B 64 ILE B 68 -1 N ILE B 68 O LYS B 81 SHEET 7 B 7 GLN B 30 ARG B 35 -1 N PHE B 34 O LEU B 65 SHEET 1 C 2 LEU B 60 TYR B 60A 0 SHEET 2 C 2 LYS B 60F ASN B 60G-1 O LYS B 60F N TYR B 60A SHEET 1 D 7 SER D 20 ASP D 21 0 SHEET 2 D 7 GLN D 156 PRO D 161 -1 O VAL D 157 N SER D 20 SHEET 3 D 7 LYS D 135 GLY D 140 -1 N VAL D 138 O VAL D 158 SHEET 4 D 7 PRO D 198 LYS D 202 -1 O VAL D 200 N ARG D 137 SHEET 5 D 7 TRP D 207 TRP D 215 -1 O TYR D 208 N MET D 201 SHEET 6 D 7 GLY D 226 HIS D 230 -1 O PHE D 227 N TRP D 215 SHEET 7 D 7 MET D 180 ALA D 183 -1 N PHE D 181 O TYR D 228 SHEET 1 E 7 LYS D 81 SER D 83 0 SHEET 2 E 7 LEU D 64 ILE D 68 -1 N ILE D 68 O LYS D 81 SHEET 3 E 7 GLN D 30 ARG D 35 -1 N PHE D 34 O LEU D 65 SHEET 4 E 7 GLU D 39 LEU D 46 -1 O GLU D 39 N ARG D 35 SHEET 5 E 7 TRP D 51 THR D 54 -1 O LEU D 53 N SER D 45 SHEET 6 E 7 ALA D 104 LEU D 108 -1 O MET D 106 N VAL D 52 SHEET 7 E 7 LEU D 85 ILE D 90 -1 N GLU D 86 O LYS D 107 SHEET 1 F 2 LEU D 60 TYR D 60A 0 SHEET 2 F 2 LYS D 60F ASN D 60G-1 O LYS D 60F N TYR D 60A

SSBOND 1 CYS A 1 CYS B 122 1555 1555 2.06 SSBOND 2 CYS B 42 CYS B 58 1555 1555 2.03 SSBOND 3 CYS B 168 CYS B 182 1555 1555 2.04 SSBOND 4 CYS B 191 CYS B 220 1555 1555 2.03 SSBOND 5 CYS C 1 CYS D 122 1555 1555 2.05 SSBOND 6 CYS D 42 CYS D 58 1555 1555 2.03 SSBOND 7 CYS D 168 CYS D 182 1555 1555 2.03 SSBOND 8 CYS D 191 CYS D 220 1555 1555 2.03

LINK K K B 403 O HOH B 418 1555 1555 3.35 LINK K K B 403 O HOH B 510 1555 1555 2.78 LINK K K B 403 O LYS B 224 1555 1555 2.53 LINK K K B 403 O HOH B 434 1555 1555 2.55 LINK K K B 403 O TYR B 184A 1555 1555 3.37 LINK K K B 403 O ARG B 221A 1555 1555 2.74 LINK K K B 403 O HOH B 409 1555 1555 3.03 LINK K K D 404 O HOH B 420 1555 1555 2.65 LINK K K D 404 O HOH B 476 1555 1555 3.05 LINK K K D 404 O ILE D 16 1555 1555 2.87 LINK K K D 404 O HOH D 447 1555 1555 2.55 LINK K K D 404 O GLY D 142 1555 1555 2.86 LINK K K D 404 O HOH D 472 1555 1555 2.68 LINK K K D 404 O ASP B 221 1555 1555 2.95

CISPEP 1 SER B 36A PRO B 37 0 -0.02 CISPEP 2 SER D 36A PRO D 37 0 -0.64

SITE 1 AC1 2 ASN B 60G HOH B 528 SITE 1 AC2 4 HOH B 414 ARG D 73 GLY D 142 ASN D 143 SITE 1 AC3 6 TYR B 184A ARG B 221A LYS B 224 HOH B 409 SITE 2 AC3 6 HOH B 434 HOH B 510 SITE 1 AC4 7 ASP B 221 HOH B 420 HOH B 476 ILE D 16 SITE 2 AC4 7 GLY D 142 HOH D 447 HOH D 472

CRYST1 58.510 69.740 158.160 90.00 90.00 90.00 P 21 21 21 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 0.017091 0.000000 0.000000 0.00000

SCALE2 0.000000 0.014339 0.000000 0.00000

SCALE3 0.000000 0.000000 0.006323 0.00000