2K31 - Header Asymmetric Unit

HEADER HYDROLASE 16-APR-08 2K31

TITLE SOLUTION STRUCTURE OF CGMP-BINDING GAF DOMAIN OF TITLE 2 PHOSPHODIESTERASE 5

COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHODIESTERASE 5A, CGMP-SPECIFIC; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CGMP-BINDING GAF DOMAIN (UNP RESIDUES 154-320); COMPND 5 EC: 3.1.4.35; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: MOUSE; SOURCE 4 GENE: PDE5A; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)STAR; SOURCE 7 EXPRESSION_SYSTEM_VECTOR: PRUNH

KEYWDS CYCLIC NUCLEOTIDE PHOSPHODIESTERASE, PDE5, GAF DOMAIN, CGMP, KEYWDS 2 NMR, HYDROLASE

EXPDTA SOLUTION NMR

NUMMDL 20

AUTHOR C.C.HEIKAUS,J.R.STOUT,M.R.SEKHARAN,C.M.EAKIN,P.RAJAGOPAL, AUTHOR 2 P.S.BRZOVIC,J.A.BEAVO,R.E.KLEVIT

REVDAT 3 24-FEB-09 2K31 1 VERSN REVDAT 2 26-AUG-08 2K31 1 JRNL REVDAT 1 03-JUN-08 2K31 0

JRNL AUTH C.C.HEIKAUS,J.R.STOUT,M.R.SEKHARAN,C.M.EAKIN, JRNL AUTH 2 P.RAJAGOPAL,P.S.BRZOVIC,J.A.BEAVO,R.E.KLEVIT JRNL TITL SOLUTION STRUCTURE OF THE CGMP BINDING GAF DOMAIN JRNL TITL 2 FROM PHOSPHODIESTERASE 5: INSIGHTS INTO NUCLEOTIDE JRNL TITL 3 SELECTIVITY, DIMERIZATION, AND CGMP-DEPENDENT JRNL TITL 4 CONFORMATIONAL CHANGE. JRNL REF J.BIOL.CHEM. V. 283 22749 2008 JRNL REFN ISSN 0021-9258 JRNL PMID 18534985 JRNL DOI 10.1074/JBC.M801577200

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA 2.0 REMARK 3 AUTHORS : GUNTERT, MUMENTHALER AND WUTHRICH REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 2K31 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-MAY-08. REMARK 100 THE RCSB ID CODE IS RCSB100612.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 310 REMARK 210 PH : 7 REMARK 210 IONIC STRENGTH : 150 REMARK 210 PRESSURE : AMBIENT ATM REMARK 210 SAMPLE CONTENTS : 0.5 - 1.2 MM GUANOSINE-3',5'- REMARK 210 MONOPHOSPHATE, 0.5 - 1.2 MM REMARK 210 MPDE5_GAFA, 150 MM SODIUM REMARK 210 CHLORIDE, 1 MM PMSF, 1-5 MM REMARK 210 DTT, 0.1 MM EDTA, 25 MM SODIUM REMARK 210 PHOSPHATE, 90% H2O/10% D2O; REMARK 210 0.5 - 1.2 MM GUANOSINE-3',5'- REMARK 210 MONOPHOSPHATE, 0.5 - 1.2 MM [U REMARK 210 -100% 15N] MPDE5_GAFA, 150 MM REMARK 210 SODIUM CHLORIDE, 1 MM PMSF, 1- REMARK 210 5 MM DTT, 0.1 MM EDTA, 25 MM REMARK 210 SODIUM PHOSPHATE, 90% H2O/10% REMARK 210 D2O; 0.5 - 1.2 MM GUANOSINE-3' REMARK 210 ,5'-MONOPHOSPHATE, 0.5 - 1.2 REMARK 210 MM [U-100% 13C; U-100% 15N; REMARK 210 80% 2H] MPDE5_GAFA, 150 MM REMARK 210 SODIUM CHLORIDE, 1 MM PMSF, 1- REMARK 210 5 MM DTT, 0.1 MM EDTA, 25 MM REMARK 210 SODIUM PHOSPHATE, 90% H2O/10% REMARK 210 D2O; 0.5 - 1.2 MM GUANOSINE-3' REMARK 210 ,5'-MONOPHOSPHATE, 0.5 - 1.2 REMARK 210 MM [U-100% 13C; U-100% 15N] REMARK 210 MPDE5_GAFA, 150 MM SODIUM REMARK 210 CHLORIDE, 1 MM PMSF, 1-5 MM REMARK 210 DTT, 0.1 MM EDTA, 25 MM SODIUM REMARK 210 PHOSPHATE, 90% H2O/10% D2O; REMARK 210 0.5 - 1.2 MM GUANOSINE-3',5'- REMARK 210 MONOPHOSPHATE, 0.5 - 1.2 MM [U REMARK 210 -100% 15N] MPDE5_GAFA, 150 MM REMARK 210 SODIUM CHLORIDE, 1 MM PMSF, 1- REMARK 210 5 MM DTT, 0.1 MM EDTA, 25 MM REMARK 210 SODIUM PHOSPHATE, 100% D2O; REMARK 210 0.5 - 1.2 MM GUANOSINE-3',5'- REMARK 210 MONOPHOSPHATE, 0.5 - 1.2 MM [U REMARK 210 -100% 13C; U-100% 15N] MPDE5_ REMARK 210 GAFA, 150 MM SODIUM CHLORIDE, REMARK 210 1 MM PMSF, 1-5 MM DTT, 0.1 MM REMARK 210 EDTA, 25 MM SODIUM PHOSPHATE, REMARK 210 100% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC, 2D 1H-13C REMARK 210 HSQC, 2D 1H-1H NOESY, 3D HNCO, REMARK 210 3D HNCA, 3D HNCACB, 3D REMARK 210 CBCA(CO)NH, 3D HCCH-COSY, 3D REMARK 210 HN(COCA)CB, 3D HCCH-TOCSY, 3D REMARK 210 1H-15N NOESY, 3D 1H-13C NOESY, REMARK 210 3D HN(CO)CA REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ, 600 MHZ, 800 MHZ, REMARK 210 900 MHZ REMARK 210 SPECTROMETER MODEL : DMX, INOVA REMARK 210 SPECTROMETER MANUFACTURER : BRUKER, VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CNS 1.1, CYANA 2.0, NMRDRAW, REMARK 210 NMRVIEW, MODELFREE, TALOS REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 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 : 1 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 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 MET A 153 REMARK 465 VAL A 303 REMARK 465 LEU A 304 REMARK 465 HIS A 305 REMARK 465 ASN A 306 REMARK 465 ALA A 307 REMARK 465 GLN A 308 REMARK 465 LEU A 309 REMARK 465 TYR A 310 REMARK 465 GLU A 311 REMARK 465 THR A 312 REMARK 465 SER A 313 REMARK 465 LEU A 314 REMARK 465 LEU A 315 REMARK 465 GLU A 316 REMARK 465 ASN A 317 REMARK 465 LYS A 318 REMARK 465 ARG A 319 REMARK 465 ASN A 320 REMARK 465 LEU A 321 REMARK 465 GLU A 322 REMARK 465 HIS A 323 REMARK 465 HIS A 324 REMARK 465 HIS A 325 REMARK 465 HIS A 326 REMARK 465 HIS A 327 REMARK 465 HIS A 328

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 SER A 171 98.89 51.42 REMARK 500 1 LYS A 186 65.70 61.78 REMARK 500 1 ASP A 196 98.94 55.25 REMARK 500 1 ASN A 209 110.29 60.14 REMARK 500 1 LYS A 217 -57.26 -121.41 REMARK 500 1 ASP A 234 102.89 -175.16 REMARK 500 1 ARG A 240 70.56 -119.70 REMARK 500 1 ARG A 265 7.08 134.72 REMARK 500 1 VAL A 269 -38.29 -131.76 REMARK 500 2 SER A 171 100.53 56.96 REMARK 500 2 ASP A 173 -60.40 -103.64 REMARK 500 2 LYS A 186 62.64 62.11 REMARK 500 2 ASP A 196 91.80 55.47 REMARK 500 2 ASN A 209 -64.82 67.98 REMARK 500 2 CYS A 210 154.38 61.82 REMARK 500 2 LYS A 217 -57.15 -122.91 REMARK 500 2 ASP A 234 105.12 -167.04 REMARK 500 2 ARG A 265 -9.22 135.31 REMARK 500 2 VAL A 268 146.11 66.97 REMARK 500 2 VAL A 269 -36.10 -134.63 REMARK 500 3 THR A 156 47.07 -97.19 REMARK 500 3 SER A 171 103.53 56.70 REMARK 500 3 LYS A 186 66.03 61.54 REMARK 500 3 ASP A 196 90.51 46.32 REMARK 500 3 ASN A 209 114.76 61.82 REMARK 500 3 LYS A 217 -52.38 -125.47 REMARK 500 3 ARG A 240 72.48 -115.96 REMARK 500 3 ARG A 265 7.50 132.36 REMARK 500 3 VAL A 269 -37.78 -130.48 REMARK 500 4 VAL A 155 -44.52 -139.44 REMARK 500 4 SER A 171 101.74 56.12 REMARK 500 4 LYS A 186 66.24 60.89 REMARK 500 4 ASP A 196 98.46 62.86 REMARK 500 4 ASN A 209 119.91 62.96 REMARK 500 4 LYS A 217 -54.67 -123.33 REMARK 500 4 ASP A 234 106.85 -168.28 REMARK 500 4 ARG A 265 7.36 133.74 REMARK 500 4 VAL A 269 -35.44 -138.69 REMARK 500 4 THR A 284 -173.86 61.28 REMARK 500 5 SER A 171 102.77 57.63 REMARK 500 5 ASP A 196 71.81 55.43 REMARK 500 5 ASN A 209 -69.86 66.72 REMARK 500 5 CYS A 210 150.62 61.98 REMARK 500 5 ARG A 240 74.06 -107.43 REMARK 500 5 ARG A 265 6.58 133.74 REMARK 500 5 LYS A 278 -74.79 -96.65 REMARK 500 5 SER A 279 -46.30 -143.39 REMARK 500 5 THR A 284 -60.14 -93.95 REMARK 500 6 SER A 171 96.84 56.36 REMARK 500 6 LYS A 186 65.62 61.85 REMARK 500 6 ASP A 196 94.58 44.77 REMARK 500 6 ASN A 209 132.70 64.39 REMARK 500 6 ARG A 240 72.90 -109.13 REMARK 500 6 ARG A 265 -8.85 134.14 REMARK 500 6 VAL A 268 145.71 67.12 REMARK 500 6 VAL A 269 -44.44 -134.93 REMARK 500 7 SER A 171 99.64 55.38 REMARK 500 7 ASP A 196 81.42 56.02 REMARK 500 7 ASN A 209 113.52 61.94 REMARK 500 7 LYS A 217 -53.00 -124.75 REMARK 500 7 ASP A 234 110.35 -167.95 REMARK 500 7 ARG A 240 72.34 -114.54 REMARK 500 7 ARG A 265 3.76 137.35 REMARK 500 7 VAL A 269 -37.91 -133.58 REMARK 500 7 PHE A 285 148.49 61.70 REMARK 500 8 VAL A 155 -36.31 -136.23 REMARK 500 8 SER A 171 101.72 56.90 REMARK 500 8 LYS A 186 65.72 61.88 REMARK 500 8 ASP A 196 86.92 55.44 REMARK 500 8 ASN A 209 114.82 62.08 REMARK 500 8 ASP A 234 109.42 -161.76 REMARK 500 8 ARG A 240 73.38 -108.46 REMARK 500 8 ARG A 265 0.24 140.73 REMARK 500 8 LYS A 278 -64.80 -120.61 REMARK 500 8 SER A 279 -44.66 -151.04 REMARK 500 8 ASN A 281 104.80 55.86 REMARK 500 9 VAL A 155 -50.04 -150.22 REMARK 500 9 SER A 171 101.65 56.46 REMARK 500 9 ASP A 196 88.21 55.12 REMARK 500 9 ASN A 209 113.54 61.63 REMARK 500 9 ARG A 240 73.47 -116.19 REMARK 500 9 ARG A 265 5.54 135.40 REMARK 500 10 THR A 156 59.76 -114.92 REMARK 500 10 SER A 171 103.49 58.48 REMARK 500 10 LYS A 186 65.87 61.99 REMARK 500 10 ASP A 196 95.05 54.16 REMARK 500 10 ASN A 209 120.51 63.14 REMARK 500 10 ASP A 234 106.73 177.61 REMARK 500 10 ARG A 265 -18.66 151.67 REMARK 500 10 VAL A 268 144.60 68.32 REMARK 500 10 VAL A 269 -38.89 -133.30 REMARK 500 11 SER A 171 99.07 56.80 REMARK 500 11 LYS A 186 65.15 62.82 REMARK 500 11 ASP A 196 103.32 56.00 REMARK 500 11 ASN A 209 123.46 62.30 REMARK 500 11 LYS A 217 -54.44 -124.56 REMARK 500 11 ASP A 234 106.31 -165.04 REMARK 500 11 ARG A 240 72.79 -115.01 REMARK 500 11 ARG A 265 4.13 136.83 REMARK 500 11 THR A 284 -61.19 -102.48 REMARK 500 12 SER A 171 99.10 56.42 REMARK 500 12 LYS A 186 65.71 61.81 REMARK 500 12 ASP A 196 78.60 56.79 REMARK 500 12 ASN A 209 125.74 63.52 REMARK 500 12 LYS A 217 -54.88 -120.71 REMARK 500 12 ARG A 240 73.81 -109.33 REMARK 500 12 ARG A 265 -6.94 133.24 REMARK 500 12 VAL A 268 144.59 67.04 REMARK 500 12 VAL A 269 -43.68 -135.07 REMARK 500 12 THR A 284 -65.17 -98.63 REMARK 500 13 THR A 156 -28.37 71.52 REMARK 500 13 SER A 171 97.80 51.23 REMARK 500 13 ASP A 173 -62.21 -98.40 REMARK 500 13 ASP A 187 114.55 -160.03 REMARK 500 13 ASP A 196 88.79 54.86 REMARK 500 13 ASN A 209 125.90 63.56 REMARK 500 13 LYS A 217 -54.25 -129.26 REMARK 500 13 ASP A 234 98.06 -176.71 REMARK 500 13 ARG A 265 -19.08 152.11 REMARK 500 13 VAL A 268 140.90 67.77 REMARK 500 13 PHE A 285 153.69 63.22 REMARK 500 14 VAL A 155 -84.12 60.30 REMARK 500 14 SER A 171 97.20 56.32 REMARK 500 14 LYS A 186 65.29 61.35 REMARK 500 14 ASP A 196 85.00 44.40 REMARK 500 14 ASN A 209 124.40 63.29 REMARK 500 14 ASP A 234 98.48 -173.78 REMARK 500 14 ARG A 265 -16.70 149.61 REMARK 500 14 VAL A 268 143.56 67.48 REMARK 500 14 VAL A 269 -43.02 -134.50 REMARK 500 14 ASN A 281 -42.35 -134.53 REMARK 500 15 THR A 156 -25.34 71.71 REMARK 500 15 SER A 171 99.27 52.43 REMARK 500 15 LYS A 186 65.53 61.68 REMARK 500 15 ASP A 196 95.67 57.06 REMARK 500 15 ASN A 209 123.25 62.90 REMARK 500 15 LYS A 217 -58.15 -128.32 REMARK 500 15 ARG A 240 74.63 -107.33 REMARK 500 15 ARG A 265 5.03 136.22 REMARK 500 16 SER A 171 101.81 56.59 REMARK 500 16 LYS A 186 66.22 60.88 REMARK 500 16 ASP A 196 83.49 53.90 REMARK 500 16 ASN A 209 -66.13 66.86 REMARK 500 16 CYS A 210 152.01 62.25 REMARK 500 16 ASP A 234 102.04 -172.60 REMARK 500 16 ARG A 265 4.92 134.29 REMARK 500 16 VAL A 269 -34.34 -131.43 REMARK 500 16 SER A 279 157.70 61.25 REMARK 500 16 PHE A 285 156.48 59.98 REMARK 500 17 VAL A 155 -47.40 -145.09 REMARK 500 17 SER A 171 99.14 55.94 REMARK 500 17 LYS A 186 66.32 60.86 REMARK 500 17 ASP A 196 92.35 44.58 REMARK 500 17 ASN A 209 126.89 63.20 REMARK 500 17 LYS A 217 -53.81 -121.73 REMARK 500 17 ARG A 240 73.38 -110.95 REMARK 500 17 ARG A 265 15.01 84.53 REMARK 500 17 VAL A 268 155.65 53.68 REMARK 500 17 VAL A 269 -52.37 -137.68 REMARK 500 17 THR A 284 -58.54 -122.20 REMARK 500 18 VAL A 155 -48.34 -138.82 REMARK 500 18 SER A 171 102.49 60.62 REMARK 500 18 LYS A 186 65.93 61.50 REMARK 500 18 ASP A 196 90.41 46.22 REMARK 500 18 ASN A 209 116.47 61.93 REMARK 500 18 LYS A 217 -54.74 -123.38 REMARK 500 18 ARG A 240 74.98 -102.24 REMARK 500 18 ARG A 265 5.24 134.97 REMARK 500 18 VAL A 269 -41.91 -137.48 REMARK 500 18 ASN A 281 122.51 62.83 REMARK 500 19 SER A 171 99.41 56.11 REMARK 500 19 LYS A 186 66.23 60.42 REMARK 500 19 ASP A 196 90.86 55.18 REMARK 500 19 ASN A 209 112.53 62.11 REMARK 500 19 LYS A 217 -59.11 -130.45 REMARK 500 19 ASP A 234 104.34 -165.00 REMARK 500 19 ARG A 265 2.36 137.28 REMARK 500 20 SER A 171 99.31 59.86 REMARK 500 20 LYS A 186 65.75 61.79 REMARK 500 20 ASP A 196 94.31 59.88 REMARK 500 20 ASN A 209 113.12 62.01 REMARK 500 20 LYS A 217 -56.84 -121.64 REMARK 500 20 ASP A 234 106.43 -167.22 REMARK 500 20 ARG A 240 69.86 -109.51 REMARK 500 20 ARG A 265 -15.98 129.46 REMARK 500 20 VAL A 268 146.67 64.77 REMARK 500 20 VAL A 269 -42.62 -134.22 REMARK 500 20 THR A 284 -73.89 -101.90 REMARK 500 REMARK 500 REMARK: NULL

REMARK 650 REMARK 650 HELIX REMARK 650 DETERMINATION METHOD: AUTHOR

REMARK 700 REMARK 700 SHEET REMARK 700 DETERMINATION METHOD: AUTHOR

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 35G A 1

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 15734 RELATED DB: BMRB

DBREF 2K31 A 154 320 UNP Q0VBW0 Q0VBW0_MOUSE 154 320

SEQADV 2K31 MET A 153 UNP Q0VBW0 INITIATING METHIONINE SEQADV 2K31 GLU A 295 UNP Q0VBW0 ALA 295 ENGINEERED SEQADV 2K31 GLU A 302 UNP Q0VBW0 ILE 302 ENGINEERED SEQADV 2K31 LEU A 321 UNP Q0VBW0 EXPRESSION TAG SEQADV 2K31 GLU A 322 UNP Q0VBW0 EXPRESSION TAG SEQADV 2K31 HIS A 323 UNP Q0VBW0 EXPRESSION TAG SEQADV 2K31 HIS A 324 UNP Q0VBW0 EXPRESSION TAG SEQADV 2K31 HIS A 325 UNP Q0VBW0 EXPRESSION TAG SEQADV 2K31 HIS A 326 UNP Q0VBW0 EXPRESSION TAG SEQADV 2K31 HIS A 327 UNP Q0VBW0 EXPRESSION TAG SEQADV 2K31 HIS A 328 UNP Q0VBW0 EXPRESSION TAG

SEQRES 1 A 176 MET ASP VAL THR ALA LEU CYS HIS LYS ILE PHE LEU HIS SEQRES 2 A 176 ILE HIS GLY LEU ILE SER ALA ASP ARG TYR SER LEU PHE SEQRES 3 A 176 LEU VAL CYS GLU ASP SER SER LYS ASP LYS PHE LEU ILE SEQRES 4 A 176 SER ARG LEU PHE ASP VAL ALA GLU GLY SER THR LEU GLU SEQRES 5 A 176 GLU ALA SER ASN ASN CYS ILE ARG LEU GLU TRP ASN LYS SEQRES 6 A 176 GLY ILE VAL GLY HIS VAL ALA ALA PHE GLY GLU PRO LEU SEQRES 7 A 176 ASN ILE LYS ASP ALA TYR GLU ASP PRO ARG PHE ASN ALA SEQRES 8 A 176 GLU VAL ASP GLN ILE THR GLY TYR LYS THR GLN SER ILE SEQRES 9 A 176 LEU CYS MET PRO ILE LYS ASN HIS ARG GLU GLU VAL VAL SEQRES 10 A 176 GLY VAL ALA GLN ALA ILE ASN LYS LYS SER GLY ASN GLY SEQRES 11 A 176 GLY THR PHE THR GLU LYS ASP GLU LYS ASP PHE ALA GLU SEQRES 12 A 176 TYR LEU ALA PHE CYS GLY GLU VAL LEU HIS ASN ALA GLN SEQRES 13 A 176 LEU TYR GLU THR SER LEU LEU GLU ASN LYS ARG ASN LEU SEQRES 14 A 176 GLU HIS HIS HIS HIS HIS HIS

HET 35G A 1 34

HETNAM 35G GUANOSINE-3',5'-MONOPHOSPHATE

FORMUL 2 35G C10 H12 N5 O7 P

HELIX 1 1 ALA A 157 HIS A 167 1 11 HELIX 2 2 GLU A 204 SER A 207 1 4 HELIX 3 3 GLY A 218 GLY A 227 1 10 HELIX 4 4 GLU A 244 GLY A 250 1 7 HELIX 5 5 THR A 286 GLY A 301 1 16

SHEET 1 A 6 ARG A 212 GLU A 214 0 SHEET 2 A 6 ASP A 187 LEU A 194 -1 N LEU A 190 O LEU A 213 SHEET 3 A 6 ARG A 174 ASP A 183 -1 N CYS A 181 O PHE A 189 SHEET 4 A 6 GLU A 267 ILE A 275 -1 O VAL A 271 N PHE A 178 SHEET 5 A 6 ILE A 256 ASN A 263 -1 N ASN A 263 O GLU A 267 SHEET 6 A 6 LEU A 230 ILE A 232 -1 N LEU A 230 O CYS A 258

SITE 1 AC1 9 ARG A 174 TYR A 175 SER A 176 PHE A 178 SITE 2 AC1 9 PHE A 195 LEU A 213 ILE A 219 ALA A 235 SITE 3 AC1 9 TYR A 236

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