PDB Short entry for 1SY9 HEADER CALCIUM-BINDING PROTEIN 01-APR-04 1SY9 TITLE STRUCTURE OF CALMODULIN COMPLEXED WITH A FRAGMENT OF THE OLFACTORY CNG TITLE 2 CHANNEL COMPND MOL_ID: 1; COMPND 2 MOLECULE: CALMODULIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: CYCLIC-NUCLEOTIDE-GATED OLFACTORY CHANNEL; COMPND 7 CHAIN: B; COMPND 8 FRAGMENT: RESIDUES 151-176; COMPND 9 SYNONYM: CYCLIC-NUCLEOTIDE-GATED CATION CHANNEL 2, CNG CHANNEL 2, COMPND 10 CNG-2, CNG2; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: XENOPUS LAEVIS; SOURCE 3 ORGANISM_COMMON: AFRICAN CLAWED FROG; SOURCE 4 ORGANISM_TAXID: 8355; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 MOL_ID: 2; SOURCE 8 SYNTHETIC: YES; SOURCE 9 OTHER_DETAILS: THE PROTEIN WAS CHEMICALLY SYNTHESIZED. THE SEQUENCE SOURCE 10 OF THE PROTEIN IS NATURALLY FOUND IN BOS TAURUS (BOVINE). KEYWDS 4 HELIX-TURN-HELIX, CALCIUM-BINDING PROTEIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR G.M.CONTESSA,M.ORSALE,S.MELINO,V.TORRE,M.PACI,A.DESIDERI,D.O.CICERO REVDAT 3 02-MAR-22 1SY9 1 REMARK LINK REVDAT 2 24-FEB-09 1SY9 1 VERSN REVDAT 1 12-APR-05 1SY9 0 JRNL AUTH G.M.CONTESSA,M.ORSALE,S.MELINO,V.TORRE,M.PACI,A.DESIDERI, JRNL AUTH 2 D.O.CICERO JRNL TITL STRUCTURE OF CALMODULIN COMPLEXED WITH AN OLFACTORY CNG JRNL TITL 2 CHANNEL FRAGMENT AND ROLE OF THE CENTRAL LINKER: RESIDUAL JRNL TITL 3 DIPOLAR COUPLINGS TO EVALUATE CALMODULIN BINDING MODES JRNL TITL 4 OUTSIDE THE KINASE FAMILY. JRNL REF J.BIOMOL.NMR V. 31 185 2005 JRNL REFN ISSN 0925-2738 JRNL PMID 15803393 JRNL DOI 10.1007/S10858-005-0165-1 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.ORSALE,S.MELINO,G.M.CONTESSA,V.TORRE,G.ANDREOTTI,A.MOTTA, REMARK 1 AUTH 2 M.PACI,A.DESIDERI,D.O.CICERO REMARK 1 TITL TWO DISTINCT CA2+-CALMODULIN INTERACTIONS WITH N-TERMINAL REMARK 1 TITL 2 REGIONS OF THE OLFACTORY AND ROD CYCLIC NUCLEOTIDE GATED REMARK 1 TITL 3 CHANNELS CHARACTERIZED BY NMR SPECTROSCOPY REMARK 1 REF FEBS LETT. V. 548 11 2003 REMARK 1 REFN ISSN 0014-5793 REMARK 1 DOI 10.1016/S0014-5793(03)00716-6 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : XWINNMR, X-PLOR 3.85 REMARK 3 AUTHORS : BRUNGER (X-PLOR) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE STRUCTURES ARE BASED ON A TOTAL OF REMARK 3 3935 RESTRAINTS: 3050 ARE NOE-DERIVED DISTANCE CONSTRAINTS, 591 REMARK 3 ARE DIHEDRAL ANGLE RESTRAINTS, 133 ARE DISTANCE RESTRAINTS FROM REMARK 3 HYDROGEN BONDS. 68 SCALAR J COUPLING CONSTANTS AND 93 RESIDUAL REMARK 3 DIPOLAR COUPLING CONSTANTS WERE INCLUDED AS EXPERIMENTAL REMARK 3 RESTRAINTS NECESSARY TO OBTAIN THE FINAL STRUCTURES. REMARK 4 REMARK 4 1SY9 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-APR-04. REMARK 100 THE DEPOSITION ID IS D_1000022090. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 308; 308 REMARK 210 PH : 6.7; 6.7 REMARK 210 IONIC STRENGTH : NULL; NULL REMARK 210 PRESSURE : NULL; NULL REMARK 210 SAMPLE CONTENTS : 1.2 MM COMPLEX U-15N,13C, 6 MM REMARK 210 CACL2, 140 MM KCL, D2O; 1.2 MM REMARK 210 COMPLEX U-15N,13C, 6 MM CACL2, REMARK 210 140 MM KCL, 90% H2O, 10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D_13C-SEPARATED_NOESY; 3D_15N REMARK 210 -SEPARATED_NOESY; HNHA; HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 700 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NMRPIPE REMARK 210 METHOD USED : SIMULATED ANNEALING, MOLECULAR REMARK 210 DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 60 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: NULL REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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, 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 465 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 MODELS 1-20 REMARK 465 RES C SSSEQI REMARK 465 GLN B 151 REMARK 465 GLN B 152 REMARK 465 ARG B 153 REMARK 465 ARG B 154 REMARK 465 ASN B 174 REMARK 465 PHE B 175 REMARK 465 ARG B 176 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O THR A 44 H LEU A 48 1.60 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 1 PRO A 43 -147.18 -68.75 REMARK 500 1 ILE A 100 -129.29 -89.07 REMARK 500 1 SER A 101 159.87 168.71 REMARK 500 2 PRO A 43 -143.08 -61.15 REMARK 500 2 THR A 79 -160.71 -111.34 REMARK 500 3 THR A 29 -34.32 -39.49 REMARK 500 3 PRO A 43 -152.24 -67.18 REMARK 500 3 ASP A 56 93.97 -68.99 REMARK 500 3 ASP A 129 78.27 -103.38 REMARK 500 4 THR A 29 -34.79 -39.56 REMARK 500 4 PRO A 43 -147.84 -66.30 REMARK 500 4 ASP A 56 99.01 -69.12 REMARK 500 5 PRO A 43 -148.97 -68.36 REMARK 500 5 THR A 79 -165.33 -107.29 REMARK 500 6 GLN A 3 -159.71 -56.52 REMARK 500 6 PRO A 43 -151.89 -62.23 REMARK 500 7 PRO A 43 -148.43 -63.83 REMARK 500 8 ASP A 2 30.35 -99.97 REMARK 500 8 PRO A 43 -151.39 -64.58 REMARK 500 8 THR A 79 -159.65 -117.97 REMARK 500 9 PRO A 43 -148.84 -68.38 REMARK 500 9 THR A 79 -164.32 -125.63 REMARK 500 10 PRO A 43 -149.52 -70.65 REMARK 500 11 PRO A 43 -149.54 -61.36 REMARK 500 12 GLN A 3 -174.06 -64.85 REMARK 500 12 PRO A 43 -143.67 -68.60 REMARK 500 12 ASP A 56 97.63 -69.44 REMARK 500 12 THR A 79 -166.82 -118.20 REMARK 500 13 PRO A 43 -150.37 -68.63 REMARK 500 14 PRO A 43 -146.05 -61.78 REMARK 500 14 THR A 79 -162.94 -121.93 REMARK 500 15 PRO A 43 -147.56 -69.48 REMARK 500 16 GLN A 3 -89.96 -122.05 REMARK 500 16 LEU A 4 -78.01 -103.69 REMARK 500 16 PRO A 43 -146.99 -66.08 REMARK 500 17 LEU A 4 -89.54 -114.28 REMARK 500 17 PRO A 43 -150.54 -67.30 REMARK 500 17 THR A 79 -160.05 -101.07 REMARK 500 18 THR A 29 -34.98 -39.07 REMARK 500 18 PRO A 43 -150.89 -70.69 REMARK 500 18 THR A 79 -164.45 -112.22 REMARK 500 19 PRO A 43 -148.47 -69.07 REMARK 500 20 PRO A 43 -148.59 -64.18 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 1 ARG A 37 0.28 SIDE CHAIN REMARK 500 1 ARG A 74 0.16 SIDE CHAIN REMARK 500 1 ARG A 86 0.31 SIDE CHAIN REMARK 500 1 ARG A 90 0.25 SIDE CHAIN REMARK 500 1 ARG A 106 0.30 SIDE CHAIN REMARK 500 1 ARG A 126 0.24 SIDE CHAIN REMARK 500 1 ARG B 158 0.30 SIDE CHAIN REMARK 500 1 ARG B 159 0.32 SIDE CHAIN REMARK 500 1 ARG B 162 0.24 SIDE CHAIN REMARK 500 1 ARG B 168 0.32 SIDE CHAIN REMARK 500 1 ARG B 173 0.32 SIDE CHAIN REMARK 500 2 ARG A 37 0.32 SIDE CHAIN REMARK 500 2 ARG A 74 0.29 SIDE CHAIN REMARK 500 2 ARG A 86 0.26 SIDE CHAIN REMARK 500 2 ARG A 90 0.22 SIDE CHAIN REMARK 500 2 ARG A 106 0.21 SIDE CHAIN REMARK 500 2 ARG A 126 0.31 SIDE CHAIN REMARK 500 2 ARG B 158 0.31 SIDE CHAIN REMARK 500 2 ARG B 159 0.32 SIDE CHAIN REMARK 500 2 ARG B 162 0.25 SIDE CHAIN REMARK 500 2 ARG B 168 0.23 SIDE CHAIN REMARK 500 2 ARG B 173 0.31 SIDE CHAIN REMARK 500 3 ARG A 37 0.30 SIDE CHAIN REMARK 500 3 ARG A 74 0.28 SIDE CHAIN REMARK 500 3 ARG A 86 0.26 SIDE CHAIN REMARK 500 3 ARG A 90 0.30 SIDE CHAIN REMARK 500 3 ARG A 106 0.27 SIDE CHAIN REMARK 500 3 ARG A 126 0.28 SIDE CHAIN REMARK 500 3 ARG B 158 0.20 SIDE CHAIN REMARK 500 3 ARG B 159 0.32 SIDE CHAIN REMARK 500 3 ARG B 162 0.27 SIDE CHAIN REMARK 500 3 ARG B 168 0.26 SIDE CHAIN REMARK 500 3 ARG B 173 0.30 SIDE CHAIN REMARK 500 4 ARG A 37 0.31 SIDE CHAIN REMARK 500 4 ARG A 74 0.27 SIDE CHAIN REMARK 500 4 ARG A 86 0.28 SIDE CHAIN REMARK 500 4 ARG A 90 0.25 SIDE CHAIN REMARK 500 4 ARG A 106 0.27 SIDE CHAIN REMARK 500 4 ARG A 126 0.29 SIDE CHAIN REMARK 500 4 ARG B 158 0.28 SIDE CHAIN REMARK 500 4 ARG B 159 0.18 SIDE CHAIN REMARK 500 4 ARG B 162 0.31 SIDE CHAIN REMARK 500 4 ARG B 168 0.30 SIDE CHAIN REMARK 500 4 ARG B 173 0.30 SIDE CHAIN REMARK 500 5 ARG A 37 0.25 SIDE CHAIN REMARK 500 5 ARG A 74 0.32 SIDE CHAIN REMARK 500 5 ARG A 86 0.20 SIDE CHAIN REMARK 500 5 ARG A 90 0.31 SIDE CHAIN REMARK 500 5 ARG A 106 0.31 SIDE CHAIN REMARK 500 5 ARG A 126 0.31 SIDE CHAIN REMARK 500 REMARK 500 THIS ENTRY HAS 220 PLANE DEVIATIONS. 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 CA A 149 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 20 OD1 REMARK 620 2 ASP A 22 OD2 107.3 REMARK 620 3 ASP A 24 OD1 60.8 101.5 REMARK 620 4 THR A 26 O 69.2 174.7 73.4 REMARK 620 5 GLU A 31 OE1 84.8 83.9 145.4 99.5 REMARK 620 6 GLU A 31 OE2 138.5 59.9 154.2 125.3 55.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 150 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 56 OD1 REMARK 620 2 ASP A 58 OD1 105.0 REMARK 620 3 ASN A 60 OD1 82.7 66.5 REMARK 620 4 THR A 62 O 77.8 149.5 84.1 REMARK 620 5 GLU A 67 OE1 103.7 82.7 149.0 126.8 REMARK 620 6 GLU A 67 OE2 74.5 132.5 153.4 77.9 53.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 151 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 93 OD1 REMARK 620 2 ASP A 95 OD1 74.8 REMARK 620 3 ASP A 95 OD2 119.7 55.0 REMARK 620 4 ASN A 97 OD1 65.1 85.5 78.9 REMARK 620 5 TYR A 99 O 70.9 136.1 124.3 55.5 REMARK 620 6 GLU A 104 OE1 109.8 125.1 125.0 147.8 92.3 REMARK 620 7 GLU A 104 OE2 166.6 107.0 69.7 128.1 112.8 57.9 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 152 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 129 OD1 REMARK 620 2 ASP A 131 OD2 105.5 REMARK 620 3 ASP A 131 OD1 63.9 50.6 REMARK 620 4 ASP A 133 OD1 66.6 73.6 83.0 REMARK 620 5 ASP A 133 OD2 108.6 61.6 101.8 42.0 REMARK 620 6 GLN A 135 O 107.6 116.5 155.1 72.3 57.1 REMARK 620 7 GLU A 140 OE1 142.0 91.5 106.7 151.3 109.4 93.9 REMARK 620 8 GLU A 140 OE2 99.7 89.8 70.8 153.7 143.9 134.0 45.7 REMARK 620 N 1 2 3 4 5 6 7 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 149 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 150 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 151 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 152 DBREF 1SY9 A 1 148 UNP P62155 CALM_XENLA 1 148 DBREF 1SY9 B 151 176 UNP Q03041 CNGA2_BOVIN 60 85 SEQRES 1 A 148 ALA ASP GLN LEU THR GLU GLU GLN ILE ALA GLU PHE LYS SEQRES 2 A 148 GLU ALA PHE SER LEU PHE ASP LYS ASP GLY ASP GLY THR SEQRES 3 A 148 ILE THR THR LYS GLU LEU GLY THR VAL MET ARG SER LEU SEQRES 4 A 148 GLY GLN ASN PRO THR GLU ALA GLU LEU GLN ASP MET ILE SEQRES 5 A 148 ASN GLU VAL ASP ALA ASP GLY ASN GLY THR ILE ASP PHE SEQRES 6 A 148 PRO GLU PHE LEU THR MET MET ALA ARG LYS MET LYS ASP SEQRES 7 A 148 THR ASP SER GLU GLU GLU ILE ARG GLU ALA PHE ARG VAL SEQRES 8 A 148 PHE ASP LYS ASP GLY ASN GLY TYR ILE SER ALA ALA GLU SEQRES 9 A 148 LEU ARG HIS VAL MET THR ASN LEU GLY GLU LYS LEU THR SEQRES 10 A 148 ASP GLU GLU VAL ASP GLU MET ILE ARG GLU ALA ASP ILE SEQRES 11 A 148 ASP GLY ASP GLY GLN VAL ASN TYR GLU GLU PHE VAL GLN SEQRES 12 A 148 MET MET THR ALA LYS SEQRES 1 B 26 GLN GLN ARG ARG GLY GLY PHE ARG ARG ILE ALA ARG LEU SEQRES 2 B 26 VAL GLY VAL LEU ARG GLU TRP ALA TYR ARG ASN PHE ARG HET CA A 149 1 HET CA A 150 1 HET CA A 151 1 HET CA A 152 1 HETNAM CA CALCIUM ION FORMUL 3 CA 4(CA 2+) HELIX 1 1 THR A 5 ASP A 20 1 16 HELIX 2 2 THR A 28 GLY A 40 1 13 HELIX 3 3 THR A 44 ASP A 56 1 13 HELIX 4 4 ASP A 64 THR A 79 1 16 HELIX 5 5 ASP A 80 ASP A 93 1 14 HELIX 6 6 SER A 101 GLY A 113 1 13 HELIX 7 7 THR A 117 ASP A 129 1 13 HELIX 8 8 ASN A 137 THR A 146 1 10 HELIX 9 9 GLY B 156 ARG B 173 1 18 LINK OD1 ASP A 20 CA CA A 149 1555 1555 2.43 LINK OD2 ASP A 22 CA CA A 149 1555 1555 2.58 LINK OD1 ASP A 24 CA CA A 149 1555 1555 2.72 LINK O THR A 26 CA CA A 149 1555 1555 2.52 LINK OE1 GLU A 31 CA CA A 149 1555 1555 2.29 LINK OE2 GLU A 31 CA CA A 149 1555 1555 2.31 LINK OD1 ASP A 56 CA CA A 150 1555 1555 2.32 LINK OD1 ASP A 58 CA CA A 150 1555 1555 2.59 LINK OD1 ASN A 60 CA CA A 150 1555 1555 2.51 LINK O THR A 62 CA CA A 150 1555 1555 2.09 LINK OE1 GLU A 67 CA CA A 150 1555 1555 2.41 LINK OE2 GLU A 67 CA CA A 150 1555 1555 2.42 LINK OD1 ASP A 93 CA CA A 151 1555 1555 2.22 LINK OD1 ASP A 95 CA CA A 151 1555 1555 1.88 LINK OD2 ASP A 95 CA CA A 151 1555 1555 2.58 LINK OD1 ASN A 97 CA CA A 151 1555 1555 2.48 LINK O TYR A 99 CA CA A 151 1555 1555 2.80 LINK OE1 GLU A 104 CA CA A 151 1555 1555 2.35 LINK OE2 GLU A 104 CA CA A 151 1555 1555 2.07 LINK OD1 ASP A 129 CA CA A 152 1555 1555 2.73 LINK OD2 ASP A 131 CA CA A 152 1555 1555 2.79 LINK OD1 ASP A 131 CA CA A 152 1555 1555 1.82 LINK OD1 ASP A 133 CA CA A 152 1555 1555 1.94 LINK OD2 ASP A 133 CA CA A 152 1555 1555 3.16 LINK O GLN A 135 CA CA A 152 1555 1555 2.53 LINK OE1 GLU A 140 CA CA A 152 1555 1555 2.05 LINK OE2 GLU A 140 CA CA A 152 1555 1555 3.01 SITE 1 AC1 5 ASP A 20 ASP A 22 ASP A 24 THR A 26 SITE 2 AC1 5 GLU A 31 SITE 1 AC2 5 ASP A 56 ASP A 58 ASN A 60 THR A 62 SITE 2 AC2 5 GLU A 67 SITE 1 AC3 5 ASP A 93 ASP A 95 ASN A 97 TYR A 99 SITE 2 AC3 5 GLU A 104 SITE 1 AC4 5 ASP A 129 ASP A 131 ASP A 133 GLN A 135 SITE 2 AC4 5 GLU A 140 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000