1K3Q - Header Asymmetric Unit

HEADER TRANSFERASE/CELL CYCLE 03-OCT-01 1K3Q

TITLE NMR STRUCTURE OF THE FHA1 DOMAIN OF RAD53 IN COMPLEX WITH A TITLE 2 RAD9-DERIVED PHOSPHOTHREONINE (AT T192) PEPTIDE

COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN KINASE SPK1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: N-TERMINAL FHA DOMAIN (FHA1); COMPND 5 EC: 2.7.1.-; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: DNA REPAIR PROTEIN RAD9; COMPND 9 CHAIN: B; COMPND 10 FRAGMENT: RESIDUES 188-200; COMPND 11 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 3 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 4 ORGANISM_TAXID: 4932; SOURCE 5 GENE: SPK1 OR RAD53; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PGEX-4T; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES; SOURCE 13 OTHER_DETAILS: THIS PHOSPHOTHREONINE PEPTIDE WAS SOURCE 14 CHEMICALLY SYNTHESIZED.

KEYWDS FHA DOMAIN, RAD53, RAD9, PHOSPHOTHREONINE, PHOSPHOPROTEIN, KEYWDS 2 NMR, TRANSFERASE/CELL CYCLE COMPLEX

EXPDTA SOLUTION NMR

NUMMDL 20

AUTHOR C.YUAN,S.YONGKIETTRAKUL,I.-J.L.BYEON,S.ZHOU,M.-D.TSAI

REVDAT 3 24-FEB-09 1K3Q 1 VERSN REVDAT 2 01-APR-03 1K3Q 1 JRNL REVDAT 1 05-DEC-01 1K3Q 0

JRNL AUTH C.YUAN,S.YONGKIETTRAKUL,I.J.BYEON,S.ZHOU,M.D.TSAI JRNL TITL SOLUTION STRUCTURES OF TWO FHA1-PHOSPHOTHREONINE JRNL TITL 2 PEPTIDE COMPLEXES PROVIDE INSIGHT INTO THE JRNL TITL 3 STRUCTURAL BASIS OF THE LIGAND SPECIFICITY OF FHA1 JRNL TITL 4 FROM YEAST RAD53. JRNL REF J.MOL.BIOL. V. 314 563 2001 JRNL REFN ISSN 0022-2836 JRNL PMID 11846567 JRNL DOI 10.1006/JMBI.2001.5140

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH H.LIAO,C.YUAN,M.I.SU,S.YONGKIETTRAKUL,D.QIN,H.LI, REMARK 1 AUTH 2 I.J.BYEON,D.PEI,M.D.TSAI REMARK 1 TITL STRUCTURE OF THE FHA1 DOMAIN OF YEAST RAD53 AND REMARK 1 TITL 2 IDENTIFICATION OF BINDING SITES FOR BOTH FHA1 AND REMARK 1 TITL 3 ITS TARGET PROTEIN RAD9. REMARK 1 REF J.MOL.BIOL. V. 304 941 2000 REMARK 1 REFN ISSN 0022-2836 REMARK 1 DOI 10.1006/JMBI.2000.4291

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER ET AL. REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1K3Q COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-OCT-01. REMARK 100 THE RCSB ID CODE IS RCSB014522.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 293 REMARK 210 PH : 6.5 REMARK 210 IONIC STRENGTH : 10 MM SODIUM PHOSPHATE, 1 MM REMARK 210 DTT, AND 1 MM EDTA REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 0.5 MM FHA1 U-15N,13C; 10 MM REMARK 210 SODIUM PHOSPHATE BUFFER (PH REMARK 210 6.5), 1 MM DTT, AND 1 MM EDTA; REMARK 210 90% H2O, 10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D_13C-SEPARATED_NOESY, 3D_ REMARK 210 15N-SEPARATED_NOESY, 2D_13C/15N-FILTERED_NOESY, 3D_13C-EDITED_ REMARK 210 13C/15N-FILTERED_NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 800 MHZ REMARK 210 SPECTROMETER MODEL : DRX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XWINNMR 2.6, CNS 1.0 REMARK 210 METHOD USED : THE COMPLEX STRUCTURE ARE REMARK 210 GENERATED USING A TOTAL OF REMARK 210 2474 RESTRAINTS. AMONG THEM, 3 REMARK 210 ARTIFICIAL CONSTRAINTS, 192 REMARK 210 TALOS-DERIVED DIHEDRAL ANGLE REMARK 210 RESTRAINTS, 78 H-BOND REMARK 210 RESTRAINTS, 22 INTERMOLECULAR REMARK 210 DISTANCE CONSTRAINS, AND 2179 REMARK 210 INTRA-FHA1 AND INTRA-PEPTIDE REMARK 210 DISTANCE CONSTRAINTS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LEAST REMARK 210 RESTRAINT VIOLATIONS, REMARK 210 STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING TRIPLE-RESONANCE NMR REMARK 210 SPECTROSCOPY

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 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 THR A 15 75.25 -104.57 REMARK 500 1 GLN A 25 -75.07 64.92 REMARK 500 1 ASN A 31 35.23 -171.19 REMARK 500 1 GLN A 42 -43.10 -148.53 REMARK 500 1 LYS A 59 30.12 -148.25 REMARK 500 1 ILE A 62 134.47 -179.28 REMARK 500 1 LYS A 63 -65.93 -100.96 REMARK 500 1 ASN A 80 78.75 69.51 REMARK 500 1 GLU A 95 -178.72 61.28 REMARK 500 1 ILE A 104 39.68 -147.07 REMARK 500 1 ASN A 119 34.35 34.99 REMARK 500 1 ASN A 158 -90.90 42.78 REMARK 500 1 ARG A 162 -56.63 -163.68 REMARK 500 1 GLU B 167 -60.56 -171.30 REMARK 500 1 ALA B 173 126.20 -174.57 REMARK 500 1 PHE B 175 48.96 -105.69 REMARK 500 2 THR A 15 -68.61 -129.42 REMARK 500 2 GLN A 25 -77.14 65.82 REMARK 500 2 ASN A 31 38.67 177.80 REMARK 500 2 GLN A 42 -46.00 -147.81 REMARK 500 2 LYS A 59 53.24 -97.18 REMARK 500 2 LYS A 63 -62.42 -108.84 REMARK 500 2 ASN A 80 50.65 178.01 REMARK 500 2 ASN A 119 35.45 34.37 REMARK 500 2 ASP A 128 175.07 -56.12 REMARK 500 2 ASN A 158 91.50 42.37 REMARK 500 2 LEU B 166 158.57 60.82 REMARK 500 2 GLU B 167 30.95 -151.58 REMARK 500 2 PHE B 175 -151.71 -129.26 REMARK 500 3 THR A 15 -66.93 -105.84 REMARK 500 3 ASN A 31 39.25 175.96 REMARK 500 3 GLN A 42 -41.50 -147.32 REMARK 500 3 LYS A 63 -63.42 -138.43 REMARK 500 3 ASN A 80 75.57 -178.49 REMARK 500 3 GLU A 95 152.58 61.36 REMARK 500 3 ASN A 119 35.65 36.42 REMARK 500 3 ASP A 128 173.96 -56.99 REMARK 500 3 ASN A 158 -171.23 44.25 REMARK 500 3 ASP A 161 32.75 -143.40 REMARK 500 3 GLU B 167 -52.07 -147.92 REMARK 500 3 ASP B 172 -175.92 65.63 REMARK 500 4 THR A 15 74.11 -114.64 REMARK 500 4 ASN A 31 35.66 -170.44 REMARK 500 4 GLN A 42 -39.70 -145.84 REMARK 500 4 GLU A 95 92.35 60.54 REMARK 500 4 ASP A 96 -80.85 62.52 REMARK 500 4 ILE A 104 26.61 -145.85 REMARK 500 4 ASN A 119 34.87 34.19 REMARK 500 4 ASN A 158 87.33 42.44 REMARK 500 4 GLU B 167 -47.34 -147.62 REMARK 500 4 ALA B 173 78.58 59.84 REMARK 500 4 THR B 174 -47.46 -146.25 REMARK 500 4 VAL B 176 107.89 59.08 REMARK 500 5 THR A 15 -74.94 -144.85 REMARK 500 5 ASN A 31 39.70 178.02 REMARK 500 5 GLN A 42 -44.02 -145.96 REMARK 500 5 ARG A 60 -177.89 -57.78 REMARK 500 5 ASN A 80 89.85 -171.46 REMARK 500 5 ASP A 96 -177.73 52.16 REMARK 500 5 ILE A 104 38.04 -146.28 REMARK 500 5 ASN A 119 34.62 35.12 REMARK 500 5 ASP A 128 177.38 -57.39 REMARK 500 5 ASN A 158 82.98 42.55 REMARK 500 5 THR B 174 69.25 -119.74 REMARK 500 5 PHE B 175 78.05 -110.33 REMARK 500 6 THR A 15 -61.84 -150.12 REMARK 500 6 ASN A 31 38.80 177.00 REMARK 500 6 VAL A 33 -61.32 -91.60 REMARK 500 6 GLN A 42 -43.37 -146.47 REMARK 500 6 SER A 61 178.01 60.79 REMARK 500 6 LYS A 63 -74.55 -94.62 REMARK 500 6 ASN A 80 84.00 41.91 REMARK 500 6 GLU A 95 101.35 -56.34 REMARK 500 6 ASP A 96 174.80 60.34 REMARK 500 6 ASN A 98 -179.48 63.48 REMARK 500 6 ILE A 104 38.63 -146.81 REMARK 500 6 ASN A 119 34.07 35.64 REMARK 500 6 ASN A 158 -91.29 43.05 REMARK 500 6 ASP A 161 -66.22 -162.46 REMARK 500 6 ALA B 173 102.95 -162.61 REMARK 500 6 PHE B 175 48.03 -159.99 REMARK 500 6 VAL B 176 30.87 -146.58 REMARK 500 7 ASN A 31 38.90 178.52 REMARK 500 7 VAL A 33 -60.47 -90.55 REMARK 500 7 GLN A 42 -42.59 -148.78 REMARK 500 7 SER A 61 167.80 59.23 REMARK 500 7 LYS A 63 -70.96 -100.24 REMARK 500 7 GLU A 95 -79.20 63.34 REMARK 500 7 ILE A 104 40.52 -147.78 REMARK 500 7 ASN A 119 33.26 35.79 REMARK 500 7 ASP A 128 173.49 -57.85 REMARK 500 7 ASN A 158 -90.89 43.85 REMARK 500 7 ALA B 171 -169.33 -120.43 REMARK 500 8 THR A 15 -63.08 -150.30 REMARK 500 8 ASN A 31 38.31 178.51 REMARK 500 8 VAL A 33 -60.61 -93.00 REMARK 500 8 GLN A 42 -41.99 -146.14 REMARK 500 8 SER A 61 -171.66 58.10 REMARK 500 8 LYS A 63 -75.46 -82.43 REMARK 500 8 CYS A 74 138.43 -38.38 REMARK 500 8 ASN A 80 83.28 -162.35 REMARK 500 8 ASN A 98 172.70 62.80 REMARK 500 8 ILE A 104 38.11 -144.20 REMARK 500 8 ASN A 119 34.52 35.73 REMARK 500 8 ASP A 128 174.07 -54.45 REMARK 500 8 ASN A 158 -171.40 44.56 REMARK 500 8 ARG A 162 109.04 -176.39 REMARK 500 8 LEU B 166 161.20 60.10 REMARK 500 8 ALA B 171 179.68 61.15 REMARK 500 8 VAL B 176 65.27 -156.17 REMARK 500 9 THR A 15 -50.14 -155.35 REMARK 500 9 GLN A 25 112.93 63.12 REMARK 500 9 ASN A 31 40.08 177.34 REMARK 500 9 GLN A 42 -42.14 -143.37 REMARK 500 9 SER A 61 168.74 59.71 REMARK 500 9 LEU A 78 -81.50 -67.20 REMARK 500 9 ASN A 80 52.76 -177.04 REMARK 500 9 GLU A 95 -170.56 -63.10 REMARK 500 9 ASN A 98 166.52 61.09 REMARK 500 9 ILE A 104 37.49 -148.08 REMARK 500 9 ASN A 119 35.34 34.10 REMARK 500 9 ASN A 158 -91.34 42.85 REMARK 500 9 ALA B 173 73.33 58.77 REMARK 500 10 THR A 15 -52.30 -152.13 REMARK 500 10 GLN A 25 -69.58 68.14 REMARK 500 10 ASN A 31 39.37 175.73 REMARK 500 10 VAL A 33 -60.20 -91.91 REMARK 500 10 GLN A 42 -45.35 -145.95 REMARK 500 10 LYS A 63 -74.43 -112.67 REMARK 500 10 ARG A 70 35.50 -90.24 REMARK 500 10 ASN A 80 76.07 69.49 REMARK 500 10 GLU A 95 -69.76 68.59 REMARK 500 10 ASP A 96 -47.77 -157.08 REMARK 500 10 ILE A 104 38.32 -140.25 REMARK 500 10 ASN A 119 34.89 36.01 REMARK 500 10 ASP A 128 173.01 -54.85 REMARK 500 10 ASN A 158 -91.11 43.53 REMARK 500 10 ALA B 171 -43.81 -163.62 REMARK 500 10 ASP B 172 163.33 62.02 REMARK 500 10 PHE B 175 76.72 -107.42 REMARK 500 11 THR A 15 -62.72 -100.19 REMARK 500 11 GLN A 25 137.05 -173.53 REMARK 500 11 ASN A 31 33.95 -171.32 REMARK 500 11 VAL A 33 -60.30 -90.67 REMARK 500 11 GLN A 42 -42.27 -147.27 REMARK 500 11 SER A 61 -44.47 -168.55 REMARK 500 11 LYS A 63 -66.69 -98.33 REMARK 500 11 LEU A 78 -68.74 -102.79 REMARK 500 11 ASN A 80 53.40 -178.89 REMARK 500 11 ASN A 86 -55.27 -22.05 REMARK 500 11 GLU A 95 -76.47 66.31 REMARK 500 11 ASP A 96 -46.64 -146.10 REMARK 500 11 ASN A 98 -179.80 61.38 REMARK 500 11 ILE A 104 40.68 -146.49 REMARK 500 11 ASN A 119 36.11 34.50 REMARK 500 11 ASN A 158 -172.34 44.57 REMARK 500 11 PHE B 175 102.91 60.67 REMARK 500 12 THR A 15 -65.26 -133.21 REMARK 500 12 ASN A 31 40.29 174.44 REMARK 500 12 GLN A 42 -33.58 -134.30 REMARK 500 12 LYS A 59 41.68 -102.65 REMARK 500 12 ASN A 98 166.62 62.72 REMARK 500 12 ILE A 104 39.84 -144.61 REMARK 500 12 ASN A 119 36.76 34.51 REMARK 500 12 ASP A 128 173.45 -57.27 REMARK 500 12 ASN A 158 -90.97 43.33 REMARK 500 12 LEU B 166 142.09 63.27 REMARK 500 12 GLU B 167 -54.02 -137.35 REMARK 500 12 ALA B 171 -59.22 -145.99 REMARK 500 12 ASP B 172 176.50 60.44 REMARK 500 12 PHE B 175 47.18 -150.15 REMARK 500 13 GLN A 25 112.51 61.34 REMARK 500 13 ASN A 31 40.20 177.26 REMARK 500 13 GLN A 42 -44.66 -142.41 REMARK 500 13 SER A 61 39.37 -176.75 REMARK 500 13 ILE A 62 159.68 52.71 REMARK 500 13 LYS A 63 -80.01 -85.51 REMARK 500 13 LEU A 78 -75.15 -81.67 REMARK 500 13 ASN A 80 58.54 -140.08 REMARK 500 13 GLU A 95 -80.07 62.92 REMARK 500 13 ASP A 96 65.40 -177.57 REMARK 500 13 ILE A 104 38.61 -150.48 REMARK 500 13 ASN A 119 34.17 35.03 REMARK 500 13 ASP A 128 172.06 -52.39 REMARK 500 13 ASN A 158 -90.90 42.71 REMARK 500 13 ARG A 162 87.42 63.43 REMARK 500 13 ALA B 173 87.60 -169.96 REMARK 500 13 PHE B 175 106.17 60.47 REMARK 500 14 ASN A 31 40.10 177.77 REMARK 500 14 GLN A 42 -46.10 -147.18 REMARK 500 14 SER A 61 -40.93 -175.32 REMARK 500 14 CYS A 74 139.78 -39.91 REMARK 500 14 LEU A 78 -72.06 -71.65 REMARK 500 14 ASN A 80 69.38 -152.57 REMARK 500 14 GLU A 95 -71.06 67.87 REMARK 500 14 ASP A 96 -63.64 -151.50 REMARK 500 14 ILE A 104 37.82 -148.05 REMARK 500 14 ASN A 119 36.65 33.41 REMARK 500 14 ASP A 128 170.23 -49.93 REMARK 500 14 ASN A 158 -90.93 42.89 REMARK 500 14 LEU B 166 118.34 62.34 REMARK 500 14 GLU B 167 38.20 -171.87 REMARK 500 14 PHE B 175 47.11 -156.08 REMARK 500 14 VAL B 176 110.59 62.51 REMARK 500 15 GLN A 25 91.63 60.71 REMARK 500 15 ASN A 31 40.16 177.25 REMARK 500 15 GLN A 42 -39.59 -143.23 REMARK 500 15 LYS A 59 30.21 -98.03 REMARK 500 15 LYS A 63 -70.24 -121.41 REMARK 500 15 ASN A 80 73.21 -179.13 REMARK 500 15 GLU A 95 -171.33 57.21 REMARK 500 15 ASP A 96 46.04 -93.61 REMARK 500 15 ILE A 104 38.44 -146.93 REMARK 500 15 ASN A 119 36.91 34.02 REMARK 500 15 ASP A 128 174.29 -59.11 REMARK 500 15 ASP A 161 106.74 60.50 REMARK 500 15 ASP B 172 177.22 60.46 REMARK 500 15 ALA B 173 80.87 -172.69 REMARK 500 16 THR A 15 -52.74 -159.73 REMARK 500 16 ASN A 31 40.10 175.38 REMARK 500 16 VAL A 33 -61.09 -93.22 REMARK 500 16 GLN A 42 -45.23 -144.14 REMARK 500 16 SER A 61 -82.95 61.99 REMARK 500 16 LEU A 78 -78.09 -81.59 REMARK 500 16 ASN A 80 53.59 -177.34 REMARK 500 16 GLU A 95 -70.93 68.04 REMARK 500 16 ASP A 96 43.14 -178.66 REMARK 500 16 ILE A 104 39.26 -141.45 REMARK 500 16 ASN A 119 34.05 35.11 REMARK 500 16 ASP A 128 171.84 -52.08 REMARK 500 16 ASN A 158 -90.59 43.20 REMARK 500 16 ARG A 162 76.59 60.24 REMARK 500 16 ASP B 172 172.09 60.60 REMARK 500 16 ALA B 173 65.00 60.09 REMARK 500 17 ASN A 31 39.84 176.33 REMARK 500 17 GLN A 42 -42.47 -146.39 REMARK 500 17 ARG A 60 -176.14 -62.43 REMARK 500 17 ILE A 62 159.82 51.69 REMARK 500 17 LYS A 63 -72.86 -108.51 REMARK 500 17 GLU A 95 -68.67 67.78 REMARK 500 17 ASP A 96 -46.45 -156.51 REMARK 500 17 ILE A 104 40.73 -140.34 REMARK 500 17 ASN A 119 36.72 34.50 REMARK 500 17 ASP A 128 174.06 -56.77 REMARK 500 17 ASN A 158 -90.98 43.29 REMARK 500 17 LEU B 166 69.90 -111.09 REMARK 500 17 VAL B 176 148.56 62.96 REMARK 500 18 GLN A 25 145.26 63.68 REMARK 500 18 ASN A 31 38.65 178.50 REMARK 500 18 GLN A 42 -40.27 -142.05 REMARK 500 18 LYS A 59 30.77 -98.20 REMARK 500 18 ARG A 60 -165.58 -176.63 REMARK 500 18 SER A 61 156.55 62.58 REMARK 500 18 LYS A 63 -77.91 -46.67 REMARK 500 18 ASN A 80 64.68 -165.20 REMARK 500 18 ASP A 96 112.22 61.54 REMARK 500 18 ASN A 98 -170.60 60.01 REMARK 500 18 ILE A 104 37.31 -142.44 REMARK 500 18 ASN A 119 33.76 34.98 REMARK 500 18 ASP A 128 170.93 -56.99 REMARK 500 18 ASN A 158 -171.07 44.30 REMARK 500 18 ASP A 161 -54.96 -124.93 REMARK 500 18 ARG A 162 -50.27 -136.61 REMARK 500 19 THR A 15 -52.04 -138.18 REMARK 500 19 ASN A 31 37.03 -178.37 REMARK 500 19 GLN A 42 -45.11 -146.44 REMARK 500 19 LYS A 63 -70.13 -95.72 REMARK 500 19 LEU A 78 -70.95 -82.37 REMARK 500 19 ASN A 80 50.26 -177.68 REMARK 500 19 GLU A 95 -39.46 -177.95 REMARK 500 19 ASP A 96 -40.74 -175.42 REMARK 500 19 ILE A 104 39.95 -150.09 REMARK 500 19 ASN A 119 36.22 35.51 REMARK 500 19 ASP A 128 170.30 -52.95 REMARK 500 19 ASP A 161 110.27 -177.20 REMARK 500 19 ARG A 162 65.27 -111.38 REMARK 500 19 ALA B 173 85.57 -161.19 REMARK 500 19 PHE B 175 97.39 -174.93 REMARK 500 19 VAL B 176 137.45 -172.40 REMARK 500 20 THR A 15 -63.42 71.08 REMARK 500 20 ASN A 31 35.93 178.00 REMARK 500 20 GLN A 42 -41.11 -146.65 REMARK 500 20 ARG A 60 177.33 -59.72 REMARK 500 20 ILE A 62 152.77 66.28 REMARK 500 20 LYS A 63 -54.08 -143.37 REMARK 500 20 ASN A 80 72.01 -167.59 REMARK 500 20 GLU A 95 89.74 62.17 REMARK 500 20 ASP A 96 -166.58 57.92 REMARK 500 20 ILE A 104 38.18 -148.09 REMARK 500 20 ASN A 119 33.74 35.22 REMARK 500 20 ASP A 128 171.74 -55.48 REMARK 500 20 GLU B 167 85.91 -159.08 REMARK 500 20 ALA B 173 112.01 -164.34 REMARK 500 20 PHE B 175 77.46 -109.24 REMARK 500 REMARK 500 REMARK: NULL

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1G3G RELATED DB: PDB REMARK 900 1G3G IS THE NMR STRUCTURE OF THE FHA1 DOMAIN OF YEAST RAD53 REMARK 900 RELATED ID: 1K3J RELATED DB: PDB REMARK 900 1K3J IS THE REFINED NMR STRUCTURE OF THE FHA1 DOMAIN OF REMARK 900 YEAST RAD53 REMARK 900 RELATED ID: 1K3N RELATED DB: PDB REMARK 900 1K3N IS THE NMR STRUCTURE OF THE FHA1 DOMAIN OF RAD53 IN REMARK 900 COMPLEX WITH A RAD9-DERIVED PHOSPHOTHREONINE (AT T155) REMARK 900 PEPTIDE

DBREF 1K3Q A 14 164 UNP P22216 RAD53_YEAST 14 164 DBREF 1K3Q B 165 177 UNP P14737 RAD9_YEAST 188 200

SEQADV 1K3Q TPO B 169 UNP P14737 THR 192 MODIFIED RESIDUE

SEQRES 1 A 151 ALA THR GLN ARG PHE LEU ILE GLU LYS PHE SER GLN GLU SEQRES 2 A 151 GLN ILE GLY GLU ASN ILE VAL CYS ARG VAL ILE CYS THR SEQRES 3 A 151 THR GLY GLN ILE PRO ILE ARG ASP LEU SER ALA ASP ILE SEQRES 4 A 151 SER GLN VAL LEU LYS GLU LYS ARG SER ILE LYS LYS VAL SEQRES 5 A 151 TRP THR PHE GLY ARG ASN PRO ALA CYS ASP TYR HIS LEU SEQRES 6 A 151 GLY ASN ILE SER ARG LEU SER ASN LYS HIS PHE GLN ILE SEQRES 7 A 151 LEU LEU GLY GLU ASP GLY ASN LEU LEU LEU ASN ASP ILE SEQRES 8 A 151 SER THR ASN GLY THR TRP LEU ASN GLY GLN LYS VAL GLU SEQRES 9 A 151 LYS ASN SER ASN GLN LEU LEU SER GLN GLY ASP GLU ILE SEQRES 10 A 151 THR VAL GLY VAL GLY VAL GLU SER ASP ILE LEU SER LEU SEQRES 11 A 151 VAL ILE PHE ILE ASN ASP LYS PHE LYS GLN CYS LEU GLU SEQRES 12 A 151 GLN ASN LYS VAL ASP ARG ILE ARG SEQRES 1 B 13 SER LEU GLU VAL TPO GLU ALA ASP ALA THR PHE VAL GLN

MODRES 1K3Q TPO B 169 THR PHOSPHOTHREONINE

HET TPO B 169 17

HETNAM TPO PHOSPHOTHREONINE

HETSYN TPO PHOSPHONOTHREONINE

FORMUL 2 TPO C4 H10 N O6 P

HELIX 1 1 THR A 15 GLN A 25 1 11 HELIX 2 2 ASP A 51 GLU A 58 1 8 HELIX 3 3 ASN A 148 ASN A 158 1 11

SHEET 1 A 6 ARG A 46 SER A 49 0 SHEET 2 A 6 ILE A 32 ILE A 37 -1 N CYS A 34 O LEU A 48 SHEET 3 A 6 LEU A 141 ILE A 147 -1 O PHE A 146 N ARG A 35 SHEET 4 A 6 GLU A 129 VAL A 132 -1 N VAL A 132 O LEU A 141 SHEET 5 A 6 THR A 109 LEU A 111 -1 N TRP A 110 O THR A 131 SHEET 6 A 6 GLN A 114 VAL A 116 -1 O GLN A 114 N LEU A 111 SHEET 1 B 5 TYR A 76 HIS A 77 0 SHEET 2 B 5 LYS A 64 GLY A 69 1 N GLY A 69 O TYR A 76 SHEET 3 B 5 PHE A 89 GLY A 94 -1 O PHE A 89 N PHE A 68 SHEET 4 B 5 ASN A 98 ASP A 103 -1 O ASN A 102 N GLN A 90 SHEET 5 B 5 ASN A 121 LEU A 123 -1 O GLN A 122 N LEU A 101

LINK C VAL B 168 N TPO B 169 1555 1555 1.33 LINK C TPO B 169 N GLU B 170 1555 1555 1.33

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