1TTO - Header Asymmetric Unit

HEADER HYDROLASE 23-JUN-04 1TTO

TITLE CRYSTAL STRUCTURE OF THE RNASE T1 VARIANT R2

COMPND MOL_ID: 1; COMPND 2 MOLECULE: RNASE T1; COMPND 3 CHAIN: A, B, C; COMPND 4 EC: 3.1.27.3; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ASPERGILLUS ORYZAE; SOURCE 3 ORGANISM_TAXID: 5062; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PA2T1

KEYWDS RIBONUCLEASE, HYDROLASE, ADENINE SPECIFICITY

EXPDTA X-RAY DIFFRACTION

AUTHOR U.HAHN,R.CZAJA,M.PERBANDT,C.BETZEL

REVDAT 3 24-FEB-09 1TTO 1 VERSN REVDAT 2 04-OCT-05 1TTO 1 JRNL REVDAT 1 06-SEP-05 1TTO 0

JRNL AUTH R.CZAJA,M.PERBANDT,C.BETZEL,U.HAHN JRNL TITL PURINE ACTIVITY OF RNASE T1RV IS FURTHER IMPROVED JRNL TITL 2 BY SUBSTITUTION OF TRP59 BY TYROSINE JRNL REF BIOCHEM.BIOPHYS.RES.COMMUN. V. 336 882 2005 JRNL REFN ISSN 0006-291X JRNL PMID 16157302 JRNL DOI 10.1016/J.BBRC.2005.08.188

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.10 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) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.95 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1817657.650 REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 16730 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 SET) : 0.187 REMARK 3 FREE R VALUE : 0.238 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 842 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.23 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2620 REMARK 3 BIN R VALUE (WORKING SET) : 0.2330 REMARK 3 BIN FREE R VALUE : 0.2580 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.40 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 149 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.021 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2346 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 24 REMARK 3 SOLVENT ATOMS : 340 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.66000 REMARK 3 B22 (A**2) : 2.66000 REMARK 3 B33 (A**2) : -5.31000 REMARK 3 B12 (A**2) : 1.94000 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) : 0.22 REMARK 3 ESD FROM SIGMAA (A) : 0.22 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.30 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.25 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.40 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.86 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.120 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.800 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.370 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.140 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.34 REMARK 3 BSOL : 57.10 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 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : TMN_XPLOR_PAR.TXT REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : TMN_XPLOR_TOP.TXT REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1TTO COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 25-JUN-04. REMARK 100 THE RCSB ID CODE IS RCSB022893.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-APR-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X13 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> 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: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1Q9E REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG4000, TRIS-CL, CALCIUM CHLORIDE, REMARK 280 PH 8, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 278.0K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 53.07000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 106.14000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 79.60500 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 132.67500 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 26.53500 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 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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: 3 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C 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: 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 CYS C 10 CA - CB - SG ANGL. DEV. = 7.7 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 SER B 69 24.39 -140.77 REMARK 500 SER C 37 76.20 51.24 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 A1111 DISTANCE = 7.14 ANGSTROMS

REMARK 615 REMARK 615 ZERO OCCUPANCY ATOM REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 615 M RES C SSEQI REMARK 615 HOH A 1052 REMARK 615 HOH A 1067 REMARK 615 HOH A 1068 REMARK 615 HOH A 1096 REMARK 615 HOH B 1051 REMARK 615 HOH B 1074 REMARK 615 HOH B 1076 REMARK 615 HOH C 1038

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TRS A 1001 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TRS B 1002 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TRS C 1003

DBREF 1TTO A 1 104 UNP P00651 RNT1_ASPOR 1 104 DBREF 1TTO B 1 104 UNP P00651 RNT1_ASPOR 1 104 DBREF 1TTO C 1 104 UNP P00651 RNT1_ASPOR 1 104

SEQADV 1TTO GLU A 41 UNP P00651 LYS 41 ENGINEERED SEQADV 1TTO PHE A 42 UNP P00651 TYR 42 ENGINEERED SEQADV 1TTO ARG A 43 UNP P00651 ASN 43 ENGINEERED SEQADV 1TTO TRP A 45 UNP P00651 TYR 45 ENGINEERED SEQADV 1TTO ASN A 46 UNP P00651 GLU 46 ENGINEERED SEQADV 1TTO TYR A 59 UNP P00651 TRP 59 ENGINEERED SEQADV 1TTO GLU B 41 UNP P00651 LYS 41 ENGINEERED SEQADV 1TTO PHE B 42 UNP P00651 TYR 42 ENGINEERED SEQADV 1TTO ARG B 43 UNP P00651 ASN 43 ENGINEERED SEQADV 1TTO TRP B 45 UNP P00651 TYR 45 ENGINEERED SEQADV 1TTO ASN B 46 UNP P00651 GLU 46 ENGINEERED SEQADV 1TTO TYR B 59 UNP P00651 TRP 59 ENGINEERED SEQADV 1TTO GLU C 41 UNP P00651 LYS 41 ENGINEERED SEQADV 1TTO PHE C 42 UNP P00651 TYR 42 ENGINEERED SEQADV 1TTO ARG C 43 UNP P00651 ASN 43 ENGINEERED SEQADV 1TTO TRP C 45 UNP P00651 TYR 45 ENGINEERED SEQADV 1TTO ASN C 46 UNP P00651 GLU 46 ENGINEERED SEQADV 1TTO TYR C 59 UNP P00651 TRP 59 ENGINEERED

SEQRES 1 A 104 ALA CYS ASP TYR THR CYS GLY SER ASN CYS TYR SER SER SEQRES 2 A 104 SER ASP VAL SER THR ALA GLN ALA ALA GLY TYR LYS LEU SEQRES 3 A 104 HIS GLU ASP GLY GLU THR VAL GLY SER ASN SER TYR PRO SEQRES 4 A 104 HIS GLU PHE ARG ASN TRP ASN GLY PHE ASP PHE SER VAL SEQRES 5 A 104 SER SER PRO TYR TYR GLU TYR PRO ILE LEU SER SER GLY SEQRES 6 A 104 ASP VAL TYR SER GLY GLY SER PRO GLY ALA ASP ARG VAL SEQRES 7 A 104 VAL PHE ASN GLU ASN ASN GLN LEU ALA GLY VAL ILE THR SEQRES 8 A 104 HIS THR GLY ALA SER GLY ASN ASN PHE VAL GLU CYS THR SEQRES 1 B 104 ALA CYS ASP TYR THR CYS GLY SER ASN CYS TYR SER SER SEQRES 2 B 104 SER ASP VAL SER THR ALA GLN ALA ALA GLY TYR LYS LEU SEQRES 3 B 104 HIS GLU ASP GLY GLU THR VAL GLY SER ASN SER TYR PRO SEQRES 4 B 104 HIS GLU PHE ARG ASN TRP ASN GLY PHE ASP PHE SER VAL SEQRES 5 B 104 SER SER PRO TYR TYR GLU TYR PRO ILE LEU SER SER GLY SEQRES 6 B 104 ASP VAL TYR SER GLY GLY SER PRO GLY ALA ASP ARG VAL SEQRES 7 B 104 VAL PHE ASN GLU ASN ASN GLN LEU ALA GLY VAL ILE THR SEQRES 8 B 104 HIS THR GLY ALA SER GLY ASN ASN PHE VAL GLU CYS THR SEQRES 1 C 104 ALA CYS ASP TYR THR CYS GLY SER ASN CYS TYR SER SER SEQRES 2 C 104 SER ASP VAL SER THR ALA GLN ALA ALA GLY TYR LYS LEU SEQRES 3 C 104 HIS GLU ASP GLY GLU THR VAL GLY SER ASN SER TYR PRO SEQRES 4 C 104 HIS GLU PHE ARG ASN TRP ASN GLY PHE ASP PHE SER VAL SEQRES 5 C 104 SER SER PRO TYR TYR GLU TYR PRO ILE LEU SER SER GLY SEQRES 6 C 104 ASP VAL TYR SER GLY GLY SER PRO GLY ALA ASP ARG VAL SEQRES 7 C 104 VAL PHE ASN GLU ASN ASN GLN LEU ALA GLY VAL ILE THR SEQRES 8 C 104 HIS THR GLY ALA SER GLY ASN ASN PHE VAL GLU CYS THR

HET TRS A1001 8 HET TRS B1002 8 HET TRS C1003 8

HETNAM TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL

HETSYN TRS TRIS BUFFER

FORMUL 4 TRS 3(C4 H12 N O3 1+) FORMUL 7 HOH *340(H2 O)

HELIX 1 1 SER A 12 GLY A 30 1 19 HELIX 2 2 SER B 12 ASP B 29 1 18 HELIX 3 3 SER C 12 ASP C 29 1 18

SHEET 1 A 2 TYR A 4 CYS A 6 0 SHEET 2 A 2 ASN A 9 TYR A 11 -1 O TYR A 11 N TYR A 4 SHEET 1 B 5 HIS A 40 PHE A 42 0 SHEET 2 B 5 TYR A 56 PRO A 60 -1 O GLU A 58 N HIS A 40 SHEET 3 B 5 ASP A 76 ASN A 81 -1 O VAL A 78 N TYR A 59 SHEET 4 B 5 LEU A 86 THR A 91 -1 O ALA A 87 N VAL A 79 SHEET 5 B 5 VAL A 101 GLU A 102 -1 O VAL A 101 N THR A 91 SHEET 1 C 2 TYR B 4 CYS B 6 0 SHEET 2 C 2 ASN B 9 TYR B 11 -1 O TYR B 11 N TYR B 4 SHEET 1 D 5 HIS B 40 PHE B 42 0 SHEET 2 D 5 TYR B 56 PRO B 60 -1 O TYR B 56 N PHE B 42 SHEET 3 D 5 ASP B 76 ASN B 81 -1 O VAL B 78 N TYR B 59 SHEET 4 D 5 LEU B 86 THR B 91 -1 O ALA B 87 N VAL B 79 SHEET 5 D 5 VAL B 101 GLU B 102 -1 O VAL B 101 N THR B 91 SHEET 1 E 2 TYR C 4 CYS C 6 0 SHEET 2 E 2 ASN C 9 TYR C 11 -1 O TYR C 11 N TYR C 4 SHEET 1 F 5 HIS C 40 PHE C 42 0 SHEET 2 F 5 TYR C 56 PRO C 60 -1 O TYR C 56 N PHE C 42 SHEET 3 F 5 ASP C 76 ASN C 81 -1 O VAL C 78 N TYR C 59 SHEET 4 F 5 LEU C 86 THR C 91 -1 O ALA C 87 N VAL C 79 SHEET 5 F 5 VAL C 101 GLU C 102 -1 O VAL C 101 N THR C 91

SSBOND 1 CYS A 2 CYS A 10 1555 1555 2.02 SSBOND 2 CYS A 6 CYS A 103 1555 1555 2.05 SSBOND 3 CYS B 2 CYS B 10 1555 1555 2.03 SSBOND 4 CYS B 6 CYS B 103 1555 1555 2.02 SSBOND 5 CYS C 2 CYS C 10 1555 1555 2.03 SSBOND 6 CYS C 6 CYS C 103 1555 1555 2.02

CISPEP 1 TYR A 38 PRO A 39 0 -0.46 CISPEP 2 SER A 54 PRO A 55 0 -0.21 CISPEP 3 TYR B 38 PRO B 39 0 -0.37 CISPEP 4 SER B 54 PRO B 55 0 0.27 CISPEP 5 TYR C 38 PRO C 39 0 0.05 CISPEP 6 SER C 54 PRO C 55 0 -0.13

SITE 1 AC1 7 TYR A 38 HIS A 40 GLU A 58 ARG A 77 SITE 2 AC1 7 HIS A 92 HOH A1026 HOH A1063 SITE 1 AC2 7 TYR B 38 HIS B 40 GLU B 58 ARG B 77 SITE 2 AC2 7 HIS B 92 HOH B1028 HOH B1054 SITE 1 AC3 8 ASN A 83 TYR C 38 HIS C 40 GLU C 58 SITE 2 AC3 8 ARG C 77 HIS C 92 HOH C1068 HOH C1080

CRYST1 56.524 56.524 159.210 90.00 90.00 120.00 P 61 18

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 0.017692 0.010214 0.000000 0.00000

SCALE2 0.000000 0.020429 0.000000 0.00000

SCALE3 0.000000 0.000000 0.006281 0.00000