PDB Short entry for 1GNR HEADER GTP BINDING PROTEIN 11-MAY-95 1GNR TITLE X-RAY CRYSTAL STRUCTURE ANALYSIS OF THE CATALYTIC DOMAIN OF THE TITLE 2 ONCOGENE PRODUCT P21H-RAS COMPLEXED WITH CAGED GTP AND MANT DGPPNHP COMPND MOL_ID: 1; COMPND 2 MOLECULE: C-H-RAS P21 PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606 KEYWDS GTP BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.SCHEIDIG,S.M.FRANKEN,J.E.T.CORRIE,G.P.REID,A.WITTINGHOFER,E.F.PAI, AUTHOR 2 R.S.GOODY REVDAT 3 07-FEB-24 1GNR 1 REMARK LINK REVDAT 2 24-FEB-09 1GNR 1 VERSN REVDAT 1 31-JUL-95 1GNR 0 JRNL AUTH A.J.SCHEIDIG,S.M.FRANKEN,J.E.CORRIE,G.P.REID,A.WITTINGHOFER, JRNL AUTH 2 E.F.PAI,R.S.GOODY JRNL TITL X-RAY CRYSTAL STRUCTURE ANALYSIS OF THE CATALYTIC DOMAIN OF JRNL TITL 2 THE ONCOGENE PRODUCT P21H-RAS COMPLEXED WITH CAGED GTP AND JRNL TITL 3 MANT DGPPNHP. JRNL REF J.MOL.BIOL. V. 253 132 1995 JRNL REFN ISSN 0022-2836 JRNL PMID 7473708 JRNL DOI 10.1006/JMBI.1995.0541 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.J.SCHEIDIG,A.SANCHEZ-LLORENTE,A.LAUTWEIN,E.F.PAI, REMARK 1 AUTH 2 J.E.T.CORRIE,G.P.REID,A.WITTINGHOFER,R.S.GOODY REMARK 1 TITL CRYSTALLOGRAPHIC STUDIES ON P21H-RAS USING SYNCHROTRON LAUE REMARK 1 TITL 2 METHOD: IMPROVEMENT OF CRYSTAL QUALITY AND MONITORING OF THE REMARK 1 TITL 3 GTPASE REACTION AT DIFFERENT TIME POINTS REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 50 512 1994 REMARK 1 REFN ISSN 0907-4449 REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.0 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85 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) (%) : 83.2 REMARK 3 NUMBER OF REFLECTIONS : 11161 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) : 0.206 REMARK 3 FREE R VALUE : 0.257 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL 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 : 1323 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 100 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) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.040 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: REMARK 3 THE LOOP FROM RESIDUE GLU 31 TO ILE 36 HAS TWO ALTERNATE REMARK 3 CONFORMATIONS. REMARK 4 REMARK 4 1GNR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000173639. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 1992 REMARK 200 TEMPERATURE (KELVIN) : 277 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) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : XENTRONICS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13998 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 80.0 REMARK 200 DATA REDUNDANCY : 2.300 REMARK 200 R MERGE (I) : 0.07800 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: X-PLOR 3.0 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 37.93 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.98 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 105.86667 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 52.93333 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 52.93333 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 105.86667 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: DIMERIC 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 BIOMT1 2 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 400 REMARK 400 COMPOUND REMARK 400 SECONDARY STRUCTURE ELEMENTS HAVE BEEN ASSIGNED ACCORDING REMARK 400 TO THE PROGRAM DSSP (KABSCH, W. & SANDER, C. (1983) REMARK 400 BIOPOLYMERS 22, PP 2577-2637). REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 ILE A 36 C GLU A 37 N 0.278 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 ASP A 30 38.07 -94.71 REMARK 500 GLU A 31 -147.41 -138.43 REMARK 500 TYR A 32 -135.68 79.15 REMARK 500 ASP A 33 -146.22 160.33 REMARK 500 PRO A 34 137.50 -36.23 REMARK 500 PRO A 34 167.44 -37.16 REMARK 500 THR A 35 57.42 -147.13 REMARK 500 THR A 35 105.05 -165.63 REMARK 500 ILE A 36 -124.76 -123.94 REMARK 500 ILE A 36 -127.22 -97.73 REMARK 500 GLN A 61 153.77 -44.86 REMARK 500 GLU A 62 38.37 -90.27 REMARK 500 TYR A 64 39.12 -73.82 REMARK 500 SER A 65 -84.44 -46.27 REMARK 500 LYS A 117 38.60 71.52 REMARK 500 ALA A 122 68.94 -100.47 REMARK 500 ARG A 149 -0.14 80.26 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 ASP A 33 PRO A 34 146.31 REMARK 500 ASP A 33 PRO A 34 149.48 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 ASP A 30 -15.21 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 MG A 168 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 17 OG REMARK 620 2 THR A 35 OG1 105.8 REMARK 620 3 THR A 35 OG1 86.1 19.8 REMARK 620 4 CAG A 167 O1G 161.6 92.5 112.1 REMARK 620 5 CAG A 167 O2B 92.6 153.5 162.1 71.1 REMARK 620 6 HOH A 172 O 85.8 76.7 76.1 101.1 85.9 REMARK 620 7 HOH A 173 O 86.5 119.8 118.1 82.3 79.6 163.2 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 MG A 168 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAG A 167 DBREF 1GNR A 1 166 UNP P01112 RASH_HUMAN 1 166 SEQRES 1 A 166 MET THR GLU TYR LYS LEU VAL VAL VAL GLY ALA GLY GLY SEQRES 2 A 166 VAL GLY LYS SER ALA LEU THR ILE GLN LEU ILE GLN ASN SEQRES 3 A 166 HIS PHE VAL ASP GLU TYR ASP PRO THR ILE GLU ASP SER SEQRES 4 A 166 TYR ARG LYS GLN VAL VAL ILE ASP GLY GLU THR CYS LEU SEQRES 5 A 166 LEU ASP ILE LEU ASP THR ALA GLY GLN GLU GLU TYR SER SEQRES 6 A 166 ALA MET ARG ASP GLN TYR MET ARG THR GLY GLU GLY PHE SEQRES 7 A 166 LEU CYS VAL PHE ALA ILE ASN ASN THR LYS SER PHE GLU SEQRES 8 A 166 ASP ILE HIS GLN TYR ARG GLU GLN ILE LYS ARG VAL LYS SEQRES 9 A 166 ASP SER ASP ASP VAL PRO MET VAL LEU VAL GLY ASN LYS SEQRES 10 A 166 CYS ASP LEU ALA ALA ARG THR VAL GLU SER ARG GLN ALA SEQRES 11 A 166 GLN ASP LEU ALA ARG SER TYR GLY ILE PRO TYR ILE GLU SEQRES 12 A 166 THR SER ALA LYS THR ARG GLN GLY VAL GLU ASP ALA PHE SEQRES 13 A 166 TYR THR LEU VAL ARG GLU ILE ARG GLN HIS HET MG A 168 1 HET CAG A 167 43 HETNAM MG MAGNESIUM ION HETNAM CAG GUANOSINE 5'-TRIPHOSPHATE P3-[1-(2-NITROPHENYL)ETHYL HETNAM 2 CAG ESTER] FORMUL 2 MG MG 2+ FORMUL 3 CAG C18 H23 N6 O16 P3 FORMUL 4 HOH *100(H2 O) HELIX 1 A1 LYS A 16 GLN A 25 1 10 HELIX 2 A2A GLU A 62 MET A 67 5 6 HELIX 3 A2B ARG A 68 THR A 74 1 7 HELIX 4 A3 THR A 87 VAL A 103 1 17 HELIX 5 A4 SER A 127 TYR A 137 1 11 HELIX 6 A5 VAL A 152 GLN A 165 1 14 SHEET 1 S 6 GLU A 37 ILE A 46 0 SHEET 2 S 6 GLU A 49 THR A 58 -1 O LEU A 53 N LYS A 42 SHEET 3 S 6 THR A 2 GLY A 10 1 N LEU A 6 O ASP A 54 SHEET 4 S 6 GLY A 77 ALA A 83 1 N LEU A 79 O VAL A 7 SHEET 5 S 6 MET A 111 ASN A 116 1 N VAL A 114 O CYS A 80 SHEET 6 S 6 TYR A 141 GLU A 143 1 N ILE A 142 O LEU A 113 LINK OG SER A 17 MG MG A 168 1555 1555 2.21 LINK OG1ATHR A 35 MG MG A 168 1555 1555 2.38 LINK OG1BTHR A 35 MG MG A 168 1555 1555 2.30 LINK O1G CAG A 167 MG MG A 168 1555 1555 2.34 LINK O2B CAG A 167 MG MG A 168 1555 1555 2.26 LINK MG MG A 168 O HOH A 172 1555 1555 2.36 LINK MG MG A 168 O HOH A 173 1555 1555 2.29 SITE 1 AC1 5 SER A 17 THR A 35 CAG A 167 HOH A 172 SITE 2 AC1 5 HOH A 173 SITE 1 AC2 27 GLY A 12 GLY A 13 VAL A 14 GLY A 15 SITE 2 AC2 27 LYS A 16 SER A 17 ALA A 18 PHE A 28 SITE 3 AC2 27 VAL A 29 ASP A 30 TYR A 32 ASP A 33 SITE 4 AC2 27 PRO A 34 THR A 35 GLY A 60 ASN A 116 SITE 5 AC2 27 LYS A 117 ASP A 119 SER A 145 ALA A 146 SITE 6 AC2 27 LYS A 147 MG A 168 HOH A 172 HOH A 173 SITE 7 AC2 27 HOH A 281 HOH A 282 HOH A 523 CRYST1 40.400 40.400 158.800 90.00 90.00 120.00 P 32 2 1 6 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 0.024752 0.014291 0.000000 0.00000 SCALE2 0.000000 0.028582 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006297 0.00000