PDB Short entry for 1RUV HEADER ENDORIBONUCLEASE 27-JUL-95 1RUV TITLE RIBONUCLEASE A-URIDINE VANADATE COMPLEX: HIGH RESOLUTION TITLE 2 RESOLUTION X-RAY STRUCTURE (1.3 A) COMPND MOL_ID: 1; COMPND 2 MOLECULE: RIBONUCLEASE A; COMPND 3 CHAIN: A; COMPND 4 EC: 3.1.27.5 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 ORGAN: PANCREAS KEYWDS HYDROLASE, NUCLEASE, ENDORIBONUCLEASE, GLYCOPROTEIN, SIGNAL EXPDTA X-RAY DIFFRACTION AUTHOR J.E.LADNER,B.WLADKOWSKI,L.A.SVENSSON,L.SJOLIN,G.L.GILLILAND REVDAT 2 24-FEB-09 1RUV 1 VERSN REVDAT 1 01-APR-97 1RUV 0 JRNL AUTH J.E.LADNER,B.D.WLADKOWSKI,L.A.SVENSSON,L.SJOLIN, JRNL AUTH 2 G.L.GILLILAND JRNL TITL X-RAY STRUCTURE OF A RIBONUCLEASE A-URIDINE JRNL TITL 2 VANADATE COMPLEX AT 1.3 A RESOLUTION. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 53 290 1997 JRNL REFN ISSN 0907-4449 JRNL PMID 15299932 JRNL DOI 10.1107/S090744499601582X REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH G.L.GILLILAND,J.DILL,I.PECHIK,L.A.SVENSSON,L.SJOLIN REMARK 1 TITL THE ACTIVE SITE OF BOVIN PANCREATIC RIBONUCLEASE: REMARK 1 TITL 2 AN EXAMPLE OF SOLVENT MODULATION SPECIFICITY REMARK 1 REF PROTEIN PEPT.LETT. V. 1 60 1994 REMARK 1 REFN ISSN 0929-8665 REMARK 1 REFERENCE 2 REMARK 1 AUTH A.WLODAWER,L.A.SVENSSON,L.SJOLIN,G.L.GILLILAND REMARK 1 TITL STRUCTURE OF PHOSPHATE-FREE RIBONUCLEASE A REFINED REMARK 1 TITL 2 AT 1.26 A REMARK 1 REF BIOCHEMISTRY V. 27 2705 1988 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 3 REMARK 1 AUTH B.BORAH,C.W.CHEN,W.EGAN,M.MILLER,A.WLODAWER, REMARK 1 AUTH 2 J.S.COHEN REMARK 1 TITL NUCLEAR MAGNETIC RESONANCE AND NEUTRON DIFFRACTION REMARK 1 TITL 2 STUDIES OF THE COMPLEX OF RIBONUCLEASE A WITH REMARK 1 TITL 3 URIDINE VANADATE, A TRANSITION-STATE ANALOGUE REMARK 1 REF BIOCHEMISTRY V. 24 2058 1985 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 4 REMARK 1 AUTH A.WLODAWER,M.MILLER,L.SJOLIN REMARK 1 TITL ACTIVE SITE OF RNASE: NEUTRON DIFFRACTION STUDY OF REMARK 1 TITL 2 A COMPLEX WITH URIDINE VANADATE, A REMARK 1 TITL 3 TRANSITION-STATE ANALOG REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 80 3628 1983 REMARK 1 REFN ISSN 0027-8424 REMARK 2 REMARK 2 RESOLUTION. 1.25 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROFFT REMARK 3 AUTHORS : KONNERT,HENDRICKSON,FINZEL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 22113 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 + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.197 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1930 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 48 REMARK 3 SOLVENT ATOMS : 131 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.027 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.038 ; 0.030 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.055 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.010 ; 0.015 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.168 ; 0.170 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.113 ; 0.200 REMARK 3 MULTIPLE TORSION (A) : 0.162 ; 0.200 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : 0.145 ; 0.200 REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 3.300 ; 3.000 REMARK 3 STAGGERED (DEGREES) : 13.300; 10.000 REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.028 ; 1.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.530 ; 1.500 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.968 ; 1.500 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.106 ; 2.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1RUV COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : ELECTRONICS COMPUTING REMARK 200 TECHNOLOGIES REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XENGEN REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25327 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 83.6 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL 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 (%): 42.03 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 19.10000 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 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 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 GLU A 2 CG - CD - OE1 ANGL. DEV. = 13.2 DEGREES REMARK 500 ARG A 10 NE - CZ - NH1 ANGL. DEV. = 6.3 DEGREES REMARK 500 ALA A 20 O - C - N ANGL. DEV. = 10.0 DEGREES REMARK 500 ARG A 33 NE - CZ - NH1 ANGL. DEV. = 6.1 DEGREES REMARK 500 ARG A 33 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES REMARK 500 SER A 50 O - C - N ANGL. DEV. = 10.5 DEGREES REMARK 500 ASP A 53 CB - CG - OD2 ANGL. DEV. = -5.7 DEGREES REMARK 500 SER A 80 O - C - N ANGL. DEV. = 10.2 DEGREES REMARK 500 GLU A 86 OE1 - CD - OE2 ANGL. DEV. = 17.7 DEGREES REMARK 500 SER A 90 O - C - N ANGL. DEV. = 11.4 DEGREES REMARK 500 TYR A 97 CB - CG - CD2 ANGL. DEV. = -3.7 DEGREES REMARK 500 HIS A 119 O - C - N ANGL. DEV. = 11.8 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 GLN A 60 -136.53 -97.99 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 39 0.09 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: THE SITE IS DEFINED AS RESIDUES WITHIN 4 REMARK 800 ANGSTROMS OF THE URIDINE VANADATE OR WHICH APPEAR TO INTERACT REMARK 800 THROUGH HYDROGEN BONDING TO OTHER ACTIVE SITE COMPONENTS (ASP REMARK 800 121 AND SER 123). REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE UVC A 125 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TBU A 126 DBREF 1RUV A 1 124 UNP P61823 RNAS1_BOVIN 27 150 SEQRES 1 A 124 LYS GLU THR ALA ALA ALA LYS PHE GLU ARG GLN HIS MET SEQRES 2 A 124 ASP SER SER THR SER ALA ALA SER SER SER ASN TYR CYS SEQRES 3 A 124 ASN GLN MET MET LYS SER ARG ASN LEU THR LYS ASP ARG SEQRES 4 A 124 CYS LYS PRO VAL ASN THR PHE VAL HIS GLU SER LEU ALA SEQRES 5 A 124 ASP VAL GLN ALA VAL CYS SER GLN LYS ASN VAL ALA CYS SEQRES 6 A 124 LYS ASN GLY GLN THR ASN CYS TYR GLN SER TYR SER THR SEQRES 7 A 124 MET SER ILE THR ASP CYS ARG GLU THR GLY SER SER LYS SEQRES 8 A 124 TYR PRO ASN CYS ALA TYR LYS THR THR GLN ALA ASN LYS SEQRES 9 A 124 HIS ILE ILE VAL ALA CYS GLU GLY ASN PRO TYR VAL PRO SEQRES 10 A 124 VAL HIS PHE ASP ALA SER VAL HET UVC A 125 21 HET TBU A 126 15 HETNAM UVC URIDINE-2',3'-VANADATE HETNAM TBU TERTIARY-BUTYL ALCOHOL HETSYN TBU 2-METHYL-2-PROPANOL FORMUL 2 UVC C9 H12 N2 O9 V FORMUL 3 TBU C4 H10 O FORMUL 4 HOH *131(H2 O) HELIX 1 H1 THR A 3 MET A 13 1 11 HELIX 2 H2 ASN A 24 ASN A 34 1RESIDUE 34 IN 3/10 CONFIG 11 HELIX 3 H3 SER A 50 GLN A 60 1RESIDUES 56-60 IN 3/10 CONFIG 11 SHEET 1 S1A 3 LYS A 41 HIS A 48 0 SHEET 2 S1A 3 MET A 79 THR A 87 -1 N GLU A 86 O PRO A 42 SHEET 3 S1A 3 ASN A 94 LYS A 104 -1 O LYS A 104 N MET A 79 SHEET 1 S1B 3 LYS A 41 HIS A 48 0 SHEET 2 S1B 3 SER A 90 LYS A 91 -1 SHEET 3 S1B 3 ASN A 94 LYS A 104 -1 O ASN A 94 N LYS A 91 SHEET 1 S2A 4 LYS A 61 ALA A 64 0 SHEET 2 S2A 4 ASN A 71 SER A 75 -1 O CYS A 72 N VAL A 63 SHEET 3 S2A 4 HIS A 105 ASN A 113 -1 O VAL A 108 N TYR A 73 SHEET 4 S2A 4 PRO A 114 HIS A 119 -1 O VAL A 116 N GLU A 111 SHEET 1 S2B 4 LYS A 61 ALA A 64 0 SHEET 2 S2B 4 ASN A 71 SER A 75 -1 O CYS A 72 N VAL A 63 SHEET 3 S2B 4 HIS A 105 ASN A 113 -1 O VAL A 108 N TYR A 73 SHEET 4 S2B 4 ASP A 121 VAL A 124 -1 N VAL A 124 O HIS A 105 SSBOND 1 CYS A 26 CYS A 84 1555 1555 2.04 SSBOND 2 CYS A 40 CYS A 95 1555 1555 2.05 SSBOND 3 CYS A 58 CYS A 110 1555 1555 2.02 SSBOND 4 CYS A 65 CYS A 72 1555 1555 1.98 CISPEP 1 TYR A 92 PRO A 93 0 3.63 CISPEP 2 ASN A 113 PRO A 114 0 1.83 SITE 1 ACT 9 HIS A 12 LYS A 41 VAL A 43 ASN A 44 SITE 2 ACT 9 THR A 45 HIS A 119 PHE A 120 ASP A 121 SITE 3 ACT 9 SER A 123 SITE 1 AC1 15 GLN A 11 HIS A 12 LYS A 41 VAL A 43 SITE 2 AC1 15 ASN A 44 THR A 45 HIS A 119 PHE A 120 SITE 3 AC1 15 HOH A 229 HOH A 310 HOH A 358 HOH A 373 SITE 4 AC1 15 HOH A 401 HOH A 411 HOH A 425 SITE 1 AC2 3 ALA A 20 SER A 22 THR A 99 CRYST1 29.800 38.200 53.200 90.00 106.10 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 0.033557 0.000000 0.009686 0.00000 SCALE2 0.000000 0.026178 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019564 0.00000