HEADER HYDROLASE/RNA 27-NOV-98 1B2M TITLE THREE-DIMENSIONAL STRUCTURE OF RIBONULCEASE T1 COMPLEXED WITH AN TITLE 2 ISOSTERIC PHOSPHONATE ANALOGUE OF GPU: ALTERNATE SUBSTRATE BINDING TITLE 3 MODES AND CATALYSIS. COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-R(*GP*(U34))-3'; COMPND 3 CHAIN: C, D, E; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: RIBONUCLEASE T1; COMPND 7 CHAIN: A, B; COMPND 8 EC: 3.1.27.3; COMPND 9 MUTATION: YES; COMPND 10 OTHER_DETAILS: RNASE T1 COMPLEXED WITH 5'-R(*GP*(CH2)U)-3 SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 MOL_ID: 2; SOURCE 4 ORGANISM_SCIENTIFIC: ASPERGILLUS ORYZAE; SOURCE 5 ORGANISM_TAXID: 5062 KEYWDS HYDROLASE, ENDORIBONUCLEASE, HYDROLASE/RNA, HYDROLASE-RNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR R.K.ARNI,L.WATANABE,R.J.WARD,R.J.KREITMAN,K.KUMAR,F.G.WALZ JR. REVDAT 8 30-OCT-24 1B2M 1 REMARK REVDAT 7 09-AUG-23 1B2M 1 LINK REVDAT 6 01-FEB-17 1B2M 1 AUTHOR VERSN REVDAT 5 24-FEB-09 1B2M 1 VERSN REVDAT 4 01-APR-03 1B2M 1 JRNL REVDAT 3 17-APR-00 1B2M 1 HEADER REVDAT 2 20-MAR-00 1B2M 1 CISPEP REMARK DBREF CRYST1 REVDAT 1 25-MAR-99 1B2M 0 JRNL AUTH R.K.ARNI,L.WATANABE,R.J.WARD,R.J.KREITMAN,K.KUMAR, JRNL AUTH 2 F.G.WALZ JR. JRNL TITL THREE-DIMENSIONAL STRUCTURE OF RIBONUCLEASE T1 COMPLEXED JRNL TITL 2 WITH AN ISOSTERIC PHOSPHONATE SUBSTRATE ANALOGUE OF GPU: JRNL TITL 3 ALTERNATE SUBSTRATE BINDING MODES AND CATALYSIS. JRNL REF BIOCHEMISTRY V. 38 2452 1999 JRNL REFN ISSN 0006-2960 JRNL PMID 10029539 JRNL DOI 10.1021/BI982612Q REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.K.ARNI,G.P.PAL,K.G.RAVICHANDRAN,A.TULINSKY, REMARK 1 AUTH 2 P.F.G.W.METCALF JR. REMARK 1 TITL THREE-DIMENSIONAL STRUCTURE OF GLN 25-RIBONUCLEASE T1 AT REMARK 1 TITL 2 1.84 ANGSTROMS RESOLUTION: STRUCTURAL VARIATIONS AT THE BASE REMARK 1 TITL 3 RECOGNITION AND CATALYTIC SITES REMARK 1 REF BIOCHEMISTRY V. 31 3126 1992 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 2 REMARK 1 AUTH D.KOSTREWA,H.-W.CHOE,U.HEINEMANN,W.SAENGER REMARK 1 TITL CRYSTAL STRUCTURE OF GUANOSINE-FREE RIBONUCLEASE T1, REMARK 1 TITL 2 COMPLEXED WITH VANADATE(V), SUGGESTS CONFORMATIONAL CHANGE REMARK 1 TITL 3 UPON SUBSTRATE BINDING REMARK 1 REF BIOCHEMISTRY V. 28 7592 1989 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 3 REMARK 1 AUTH R.ARNI,U.HEINEMANN,R.TOKUOKA,W.SAENGER REMARK 1 TITL THREE DIMENSIONAL STRUCTURES OF THE RIBONUCLEASE T1 2'-GMP REMARK 1 TITL 2 COMPLEX AT 1.9 ANGSTROMS RESOLUTION REMARK 1 REF J.BIOL.CHEM. V. 263 15358 1988 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 4 REMARK 1 AUTH R.ARNI,V.HEINEMANN,M.MASLOWSKA,R.TOKUOKA,W.SAENGER REMARK 1 TITL RESTRAINED LEAST-SQUARES REFINEMENT OF THE CRYSTAL STRUCTURE REMARK 1 TITL 2 OF THE RIBONUCLEASE T1 2'-GUANYLIC ACID COMPLEX AT 1.9 REMARK 1 TITL 3 ANGSTROMS RESOLUTION REMARK 1 REF ACTA CRYSTALLOGR.,SECT.B V. 43 548 1987 REMARK 1 REFN ISSN 0108-7681 REMARK 1 REFERENCE 5 REMARK 1 AUTH R.ARNI,U.HEINEMANN,W.SAENGER REMARK 1 TITL STRUCTURE AND FUNCTION OF THE ENZYME RIBONUCLEASE T1 REMARK 1 REF FRESENIUS Z.ANAL.CHEM. V. 327 67 1987 REMARK 1 REFN ISSN 0016-1152 REMARK 1 REFERENCE 6 REMARK 1 AUTH P.O.MARTIN,A.TULINSKY,F.G.WALZ REMARK 1 TITL CRYSTALLIZATION OF RIBONUCLEASE T1 REMARK 1 REF J.MOL.BIOL. V. 136 95 1980 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.00 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 75.0 REMARK 3 NUMBER OF REFLECTIONS : 9879 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) : 0.187 REMARK 3 FREE R VALUE : 0.254 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 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) : 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 : 1562 REMARK 3 NUCLEIC ACID ATOMS : 120 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 92 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) : 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) : 1.740 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : 1.420 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1B2M COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-NOV-98. REMARK 100 THE DEPOSITION ID IS D_1000000147. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 287.00 REMARK 200 PH : 4.10 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11298 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 75.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.64000 REMARK 200 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 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: 1RNT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.82 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.23 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 4.10 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 34.95500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 16.99000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 45.14500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 16.99000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 34.95500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 45.14500 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 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, 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: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: D, E, 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 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 U34 C 106 OXT REMARK 470 U34 D 106 OXT REMARK 470 U34 E 106 OXT 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 G C 105 C5 - N7 - C8 ANGL. DEV. = -4.7 DEGREES REMARK 500 G C 105 N7 - C8 - N9 ANGL. DEV. = 7.0 DEGREES REMARK 500 G C 105 C8 - N9 - C4 ANGL. DEV. = -3.6 DEGREES REMARK 500 G D 105 C5 - N7 - C8 ANGL. DEV. = -3.5 DEGREES REMARK 500 G D 105 N7 - C8 - N9 ANGL. DEV. = 6.8 DEGREES REMARK 500 G D 105 C8 - N9 - C4 ANGL. DEV. = -3.5 DEGREES REMARK 500 G E 105 C5 - N7 - C8 ANGL. DEV. = -4.1 DEGREES REMARK 500 G E 105 N7 - C8 - N9 ANGL. DEV. = 6.8 DEGREES REMARK 500 G E 105 C8 - N9 - C4 ANGL. DEV. = -3.5 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 A 37 77.79 50.39 REMARK 500 ASN A 44 51.45 73.54 REMARK 500 SER B 37 76.12 50.17 REMARK 500 ASN B 44 41.60 73.23 REMARK 500 THR B 93 107.55 -47.75 REMARK 500 REMARK 500 REMARK: NULL DBREF 1B2M A 1 104 UNP P00651 RNT1_ASPOR 27 130 DBREF 1B2M B 1 104 UNP P00651 RNT1_ASPOR 27 130 DBREF 1B2M C 105 106 PDB 1B2M 1B2M 105 106 DBREF 1B2M D 105 106 PDB 1B2M 1B2M 105 106 DBREF 1B2M E 105 106 PDB 1B2M 1B2M 105 106 SEQRES 1 C 2 G U34 SEQRES 1 D 2 G U34 SEQRES 1 E 2 G U34 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 GLN LEU SEQRES 3 A 104 HIS GLU ASP GLY GLU THR VAL GLY SER ASN SER TYR PRO SEQRES 4 A 104 HIS LYS TYR ASN ASN TYR GLU GLY PHE ASP PHE SER VAL SEQRES 5 A 104 SER SER PRO TYR TYR GLU TRP 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 GLN LEU SEQRES 3 B 104 HIS GLU ASP GLY GLU THR VAL GLY SER ASN SER TYR PRO SEQRES 4 B 104 HIS LYS TYR ASN ASN TYR GLU GLY PHE ASP PHE SER VAL SEQRES 5 B 104 SER SER PRO TYR TYR GLU TRP 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 MODRES 1B2M U34 C 106 U URIDINE 5'-MONOMETHYLPHOSPHATE MODRES 1B2M U34 D 106 U URIDINE 5'-MONOMETHYLPHOSPHATE MODRES 1B2M U34 E 106 U URIDINE 5'-MONOMETHYLPHOSPHATE HET U34 C 106 20 HET U34 D 106 20 HET U34 E 106 20 HETNAM U34 URIDINE 5'-MONOMETHYLPHOSPHATE FORMUL 1 U34 3(C10 H15 N2 O9 P) FORMUL 6 HOH *92(H2 O) HELIX 1 1 SER A 13 GLU A 28 1 16 HELIX 2 2 SER B 13 ASP B 29 1 17 SHEET 1 A 2 TYR A 4 CYS A 6 0 SHEET 2 A 2 ASN A 9 TYR A 11 -1 N TYR A 11 O TYR A 4 SHEET 1 B 4 HIS A 40 TYR A 42 0 SHEET 2 B 4 TYR A 56 PRO A 60 -1 N GLU A 58 O HIS A 40 SHEET 3 B 4 ASP A 76 ASN A 81 -1 N PHE A 80 O TYR A 57 SHEET 4 B 4 LEU A 86 THR A 91 -1 N ILE A 90 O ARG A 77 SHEET 1 C 2 TYR B 4 CYS B 6 0 SHEET 2 C 2 ASN B 9 TYR B 11 -1 N TYR B 11 O TYR B 4 SHEET 1 D 4 HIS B 40 TYR B 42 0 SHEET 2 D 4 TYR B 56 PRO B 60 -1 N GLU B 58 O HIS B 40 SHEET 3 D 4 ASP B 76 ASN B 81 -1 N PHE B 80 O TYR B 57 SHEET 4 D 4 LEU B 86 THR B 91 -1 N ILE B 90 O ARG B 77 SSBOND 1 CYS A 2 CYS A 10 1555 1555 2.02 SSBOND 2 CYS A 6 CYS A 103 1555 1555 2.04 SSBOND 3 CYS B 2 CYS B 10 1555 1555 2.02 SSBOND 4 CYS B 6 CYS B 103 1555 1555 2.02 LINK O3' G C 105 P U34 C 106 1555 1555 1.60 LINK O3' G D 105 P U34 D 106 1555 1555 1.58 LINK O3' G E 105 P U34 E 106 1555 1555 1.60 CISPEP 1 TYR A 38 PRO A 39 0 -0.07 CISPEP 2 SER A 54 PRO A 55 0 1.24 CISPEP 3 TYR B 38 PRO B 39 0 1.06 CISPEP 4 SER B 54 PRO B 55 0 -0.08 CRYST1 69.910 90.290 33.980 90.00 90.00 90.00 P 21 21 21 12 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 0.014304 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011075 0.000000 0.00000 SCALE3 0.000000 0.000000 0.029429 0.00000 MTRIX1 1 -0.070100 0.967600 -0.242700 51.29900 1 MTRIX2 1 -0.524700 0.171100 0.833900 4.64900 1 MTRIX3 1 0.848400 0.185800 0.495700 -14.75900 1 MTRIX1 2 0.541300 0.640400 0.546900 -16.61400 1 MTRIX2 2 0.040900 0.627200 -0.777800 43.66600 1 MTRIX3 2 -0.839800 0.443300 0.313300 67.11300 1