1YFQ - Header Asymmetric Unit

HEADER SIGNALING PROTEIN 03-JAN-05 1YFQ

TITLE HIGH RESOLUTION S. CEREVISIAE BUB3 MITOTIC CHECKPOINT TITLE 2 PROTEIN

COMPND MOL_ID: 1; COMPND 2 MOLECULE: CELL CYCLE ARREST PROTEIN BUB3; COMPND 3 CHAIN: A; COMPND 4 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: BUB3; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562

KEYWDS WD REPEAT WD40 REPEAT BETA TRANSDUCIN REPEAT ALL BETA, KEYWDS 2 SIGNALING PROTEIN

EXPDTA X-RAY DIFFRACTION

AUTHOR D.K.WILSON,D.CERNA,E.CHEW

REVDAT 3 24-FEB-09 1YFQ 1 VERSN REVDAT 2 19-APR-05 1YFQ 1 JRNL REVDAT 1 11-JAN-05 1YFQ 0

JRNL AUTH D.K.WILSON,D.CERNA,E.CHEW JRNL TITL THE 1.1-A STRUCTURE OF THE SPINDLE CHECKPOINT JRNL TITL 2 PROTEIN BUB3P REVEALS FUNCTIONAL REGIONS. JRNL REF J.BIOL.CHEM. V. 280 13944 2005 JRNL REFN ISSN 0021-9258 JRNL PMID 15644329 JRNL DOI 10.1074/JBC.M412919200

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 1.10 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.152 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.152 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.186 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 7265 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 145071 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2709 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 8 REMARK 3 SOLVENT ATOMS : 561 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : NULL REMARK 3 NUMBER OF RESTRAINTS : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.022 REMARK 3 ANGLE DISTANCES (A) : NULL REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : NULL REMARK 3 ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : NULL REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

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

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-JAN-05. REMARK 100 THE RCSB ID CODE IS RCSB031461.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-NOV-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.95 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL, SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 137806 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.100 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 18.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.13 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.3 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.42200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.050 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR REMARK 200 SOFTWARE USED: MLPHARE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, CA ACETATE, CACODYLATE, REMARK 280 PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 25K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-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 26.13700 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 47.04500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 37.04450 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 47.04500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.13700 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 37.04450 REMARK 290 SMTRY3 4 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: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT 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 ASP A 229 N ASN A 231 2.04 REMARK 500 REMARK 500 REMARK: NULL 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 TYR A 13 CB - CG - CD2 ANGL. DEV. = 5.2 DEGREES REMARK 500 ARG A 54 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 ASP A 66 CA - CB - CG ANGL. DEV. = 14.6 DEGREES REMARK 500 ASP A 66 CB - CG - OD2 ANGL. DEV. = 10.6 DEGREES REMARK 500 ARG A 106 CG - CD - NE ANGL. DEV. = 20.2 DEGREES REMARK 500 ARG A 106 CD - NE - CZ ANGL. DEV. = 9.7 DEGREES REMARK 500 ARG A 106 NE - CZ - NH2 ANGL. DEV. = -4.9 DEGREES REMARK 500 ASP A 112 CB - CG - OD2 ANGL. DEV. = 5.5 DEGREES REMARK 500 ARG A 130 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 ASN A 143 CA - C - N ANGL. DEV. = 15.7 DEGREES REMARK 500 SER A 144 C - N - CA ANGL. DEV. = 16.9 DEGREES REMARK 500 VAL A 149 C - N - CA ANGL. DEV. = 18.0 DEGREES REMARK 500 PHE A 154 CB - CG - CD1 ANGL. DEV. = 5.6 DEGREES REMARK 500 ARG A 162 NE - CZ - NH1 ANGL. DEV. = 6.8 DEGREES REMARK 500 ARG A 162 NE - CZ - NH2 ANGL. DEV. = -5.7 DEGREES REMARK 500 LEU A 163 CB - CG - CD2 ANGL. DEV. = 13.8 DEGREES REMARK 500 ASP A 182 CB - CG - OD1 ANGL. DEV. = 5.8 DEGREES REMARK 500 ARG A 197 CG - CD - NE ANGL. DEV. = 15.5 DEGREES REMARK 500 ARG A 197 NE - CZ - NH1 ANGL. DEV. = 6.3 DEGREES REMARK 500 TYR A 230 CB - CG - CD1 ANGL. DEV. = 4.3 DEGREES REMARK 500 SER A 232 C - N - CA ANGL. DEV. = -18.6 DEGREES REMARK 500 ARG A 235 CD - NE - CZ ANGL. DEV. = 12.0 DEGREES REMARK 500 ARG A 235 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 ARG A 235 NE - CZ - NH2 ANGL. DEV. = -4.2 DEGREES REMARK 500 ARG A 239 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 ARG A 239 NE - CZ - NH2 ANGL. DEV. = -3.5 DEGREES REMARK 500 ARG A 242 NE - CZ - NH2 ANGL. DEV. = 3.8 DEGREES REMARK 500 GLU A 294 OE1 - CD - OE2 ANGL. DEV. = -9.5 DEGREES REMARK 500 ASP A 314 CB - CG - OD1 ANGL. DEV. = -5.7 DEGREES REMARK 500 TYR A 334 CG - CD1 - CE1 ANGL. DEV. = -5.1 DEGREES REMARK 500 TYR A 334 CG - CD2 - CE2 ANGL. DEV. = 5.5 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 8 67.81 -114.65 REMARK 500 ASN A 67 -105.48 -93.01 REMARK 500 ILE A 87 -53.31 -120.62 REMARK 500 ASN A 143 -126.82 -130.09 REMARK 500 ASN A 145 75.20 10.75 REMARK 500 LYS A 148 42.45 98.34 REMARK 500 VAL A 149 129.88 168.58 REMARK 500 LYS A 204 -131.18 56.65 REMARK 500 TYR A 230 67.99 -27.26 REMARK 500 ASN A 231 24.51 48.75 REMARK 500 SER A 232 -31.80 -157.99 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 SER A 144 ASN A 145 -145.57 REMARK 500 REMARK 500 REMARK: NULL

REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A2139 DISTANCE = 6.22 ANGSTROMS REMARK 525 HOH A2415 DISTANCE = 9.03 ANGSTROMS

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 800 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A2331 O REMARK 620 2 GLU A 258 OE1 78.7 REMARK 620 3 GLU A 258 OE2 74.7 50.4 REMARK 620 4 HOH A2090 O 150.0 74.1 78.3 REMARK 620 5 HOH A2108 O 93.3 121.6 71.5 90.3 REMARK 620 6 HOH A2155 O 85.7 82.6 131.4 102.9 155.2 REMARK 620 7 HOH A2191 O 143.6 132.3 137.2 66.3 84.9 81.4 REMARK 620 8 HOH A2330 O 73.4 146.3 134.7 136.3 79.1 76.8 70.6 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 801 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 313 OD1 REMARK 620 2 ASP A 313 OD2 45.3 REMARK 620 3 HOH A2128 O 73.9 79.6 REMARK 620 4 HOH A2436 O 92.8 135.2 72.3 REMARK 620 5 THR A 315 OG1 107.8 80.8 148.9 137.1 REMARK 620 6 HOH A2382 O 124.3 83.2 77.8 122.3 76.2 REMARK 620 7 HOH A2437 O 158.2 150.5 117.0 74.3 73.2 77.4 REMARK 620 8 GLN A 226 OE1 67.4 94.5 129.4 78.3 75.9 152.0 92.4 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 802 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A2215 O REMARK 620 2 HOH A2282 O 140.0 REMARK 620 3 HOH A2378 O 88.9 100.1 REMARK 620 4 HOH A2379 O 64.8 76.6 87.3 REMARK 620 5 HOH A2384 O 99.9 95.4 143.8 128.3 REMARK 620 6 HOH A2465 O 92.4 69.6 164.9 79.7 50.6 REMARK 620 7 ASP A 247 OD1 145.6 74.3 79.2 145.1 73.8 107.3 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 803 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 185 O REMARK 620 2 HOH A2334 O 76.6 REMARK 620 3 HOH A2354 O 96.8 135.0 REMARK 620 4 HOH A2355 O 66.4 133.8 78.0 REMARK 620 5 HOH A2372 O 144.2 120.4 91.0 81.3 REMARK 620 6 ASN A 184 OD1 78.5 57.1 166.0 88.1 85.6 REMARK 620 7 ASP A 323 OD2 140.3 64.2 106.0 149.4 68.4 85.3 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 CA A 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 801 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 802 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 803 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 900

DBREF 1YFQ A 1 341 UNP P26449 BUB3_YEAST 1 341

SEQADV 1YFQ PRO A 342 UNP P26449 CLONING ARTIFACT

SEQRES 1 A 342 MET GLN ILE VAL GLN ILE GLU GLN ALA PRO LYS ASP TYR SEQRES 2 A 342 ILE SER ASP ILE LYS ILE ILE PRO SER LYS SER LEU LEU SEQRES 3 A 342 LEU ILE THR SER TRP ASP GLY SER LEU THR VAL TYR LYS SEQRES 4 A 342 PHE ASP ILE GLN ALA LYS ASN VAL ASP LEU LEU GLN SER SEQRES 5 A 342 LEU ARG TYR LYS HIS PRO LEU LEU CYS CYS ASN PHE ILE SEQRES 6 A 342 ASP ASN THR ASP LEU GLN ILE TYR VAL GLY THR VAL GLN SEQRES 7 A 342 GLY GLU ILE LEU LYS VAL ASP LEU ILE GLY SER PRO SER SEQRES 8 A 342 PHE GLN ALA LEU THR ASN ASN GLU ALA ASN LEU GLY ILE SEQRES 9 A 342 CYS ARG ILE CYS LYS TYR GLY ASP ASP LYS LEU ILE ALA SEQRES 10 A 342 ALA SER TRP ASP GLY LEU ILE GLU VAL ILE ASP PRO ARG SEQRES 11 A 342 ASN TYR GLY ASP GLY VAL ILE ALA VAL LYS ASN LEU ASN SEQRES 12 A 342 SER ASN ASN THR LYS VAL LYS ASN LYS ILE PHE THR MET SEQRES 13 A 342 ASP THR ASN SER SER ARG LEU ILE VAL GLY MET ASN ASN SEQRES 14 A 342 SER GLN VAL GLN TRP PHE ARG LEU PRO LEU CYS GLU ASP SEQRES 15 A 342 ASP ASN GLY THR ILE GLU GLU SER GLY LEU LYS TYR GLN SEQRES 16 A 342 ILE ARG ASP VAL ALA LEU LEU PRO LYS GLU GLN GLU GLY SEQRES 17 A 342 TYR ALA CYS SER SER ILE ASP GLY ARG VAL ALA VAL GLU SEQRES 18 A 342 PHE PHE ASP ASP GLN GLY ASP ASP TYR ASN SER SER LYS SEQRES 19 A 342 ARG PHE ALA PHE ARG CYS HIS ARG LEU ASN LEU LYS ASP SEQRES 20 A 342 THR ASN LEU ALA TYR PRO VAL ASN SER ILE GLU PHE SER SEQRES 21 A 342 PRO ARG HIS LYS PHE LEU TYR THR ALA GLY SER ASP GLY SEQRES 22 A 342 ILE ILE SER CYS TRP ASN LEU GLN THR ARG LYS LYS ILE SEQRES 23 A 342 LYS ASN PHE ALA LYS PHE ASN GLU ASP SER VAL VAL LYS SEQRES 24 A 342 ILE ALA CYS SER ASP ASN ILE LEU CYS LEU ALA THR SER SEQRES 25 A 342 ASP ASP THR PHE LYS THR ASN ALA ALA ILE ASP GLN THR SEQRES 26 A 342 ILE GLU LEU ASN ALA SER SER ILE TYR ILE ILE PHE ASP SEQRES 27 A 342 TYR GLU ASN PRO

HET CA A 800 1 HET CA A 801 1 HET CA A 802 1 HET CA A 803 1 HET ACT A 900 4

HETNAM CA CALCIUM ION HETNAM ACT ACETATE ION

FORMUL 2 CA 4(CA 2+) FORMUL 6 ACT C2 H3 O2 1- FORMUL 7 HOH *561(H2 O)

HELIX 1 1 PRO A 21 LYS A 23 5 3 HELIX 2 2 ASP A 128 GLY A 133 1 6 HELIX 3 3 PRO A 203 GLN A 206 5 4 HELIX 4 4 ASP A 314 ASN A 319 1 6

SHEET 1 A 4 GLN A 2 GLN A 5 0 SHEET 2 A 4 SER A 332 PHE A 337 -1 O ILE A 335 N VAL A 4 SHEET 3 A 4 ILE A 306 SER A 312 -1 N LEU A 307 O ILE A 336 SHEET 4 A 4 SER A 296 CYS A 302 -1 N ALA A 301 O CYS A 308 SHEET 1 B 4 ILE A 14 ILE A 20 0 SHEET 2 B 4 LEU A 25 SER A 30 -1 O LEU A 27 N LYS A 18 SHEET 3 B 4 SER A 34 ASP A 41 -1 O THR A 36 N ILE A 28 SHEET 4 B 4 ASN A 46 ARG A 54 -1 O GLN A 51 N VAL A 37 SHEET 1 C 4 LEU A 59 ASP A 66 0 SHEET 2 C 4 LEU A 70 THR A 76 -1 O GLY A 75 N LEU A 60 SHEET 3 C 4 ILE A 81 VAL A 84 -1 O LEU A 82 N VAL A 74 SHEET 4 C 4 PHE A 92 ALA A 94 -1 O GLN A 93 N LYS A 83 SHEET 1 D 4 ILE A 104 TYR A 110 0 SHEET 2 D 4 LYS A 114 SER A 119 -1 O ILE A 116 N CYS A 108 SHEET 3 D 4 LEU A 123 ILE A 127 -1 O GLU A 125 N ALA A 117 SHEET 4 D 4 ILE A 137 ASN A 141 -1 O ILE A 137 N VAL A 126 SHEET 1 E 4 ILE A 153 THR A 158 0 SHEET 2 E 4 ARG A 162 MET A 167 -1 O GLY A 166 N PHE A 154 SHEET 3 E 4 GLN A 171 ARG A 176 -1 O GLN A 171 N MET A 167 SHEET 4 E 4 THR A 186 GLU A 189 -1 O GLU A 188 N VAL A 172 SHEET 1 F 4 ILE A 196 LEU A 201 0 SHEET 2 F 4 GLY A 208 SER A 213 -1 O SER A 212 N ARG A 197 SHEET 3 F 4 ARG A 217 PHE A 222 -1 O GLU A 221 N TYR A 209 SHEET 4 F 4 PHE A 236 ARG A 239 -1 O PHE A 236 N VAL A 220 SHEET 1 G 4 VAL A 254 PHE A 259 0 SHEET 2 G 4 LEU A 266 GLY A 270 -1 O TYR A 267 N GLU A 258 SHEET 3 G 4 ILE A 275 ASN A 279 -1 O TRP A 278 N LEU A 266 SHEET 4 G 4 LYS A 284 ASN A 288 -1 O LYS A 284 N ASN A 279

LINK CA CA A 800 O HOH A2331 1555 1555 2.49 LINK CA CA A 800 OE1 GLU A 258 1555 1555 2.48 LINK CA CA A 800 OE2 GLU A 258 1555 1555 2.61 LINK CA CA A 800 O HOH A2090 1555 1555 2.41 LINK CA CA A 800 O HOH A2108 1555 1555 2.38 LINK CA CA A 800 O HOH A2155 1555 1555 2.49 LINK CA CA A 800 O HOH A2191 1555 1555 2.51 LINK CA CA A 800 O HOH A2330 1555 1555 2.53 LINK CA CA A 801 OD1 ASP A 313 1555 1555 3.10 LINK CA CA A 801 OD2 ASP A 313 1555 1555 2.29 LINK CA CA A 801 O HOH A2128 1555 1555 2.34 LINK CA CA A 801 O HOH A2436 1555 1555 2.34 LINK CA CA A 801 OG1 THR A 315 1555 1555 2.28 LINK CA CA A 801 O HOH A2382 1555 1555 2.43 LINK CA CA A 801 O HOH A2437 1555 1555 2.37 LINK CA CA A 802 O HOH A2215 1555 1555 2.41 LINK CA CA A 802 O HOH A2282 1555 1555 2.28 LINK CA CA A 802 O HOH A2378 1555 1555 2.18 LINK CA CA A 802 O HOH A2379 1555 1555 2.40 LINK CA CA A 802 O HOH A2384 1555 1555 2.40 LINK CA CA A 802 O HOH A2465 1555 1555 3.38 LINK CA CA A 802 OD1 ASP A 247 1555 1555 2.35 LINK CA CA A 803 O GLY A 185 1555 1555 2.47 LINK CA CA A 803 O HOH A2334 1555 1555 2.57 LINK CA CA A 803 O HOH A2354 1555 1555 2.18 LINK CA CA A 803 O HOH A2355 1555 1555 2.22 LINK CA CA A 803 O HOH A2372 1555 1555 2.40 LINK CA CA A 803 OD1 ASN A 184 1555 1555 2.19 LINK CA CA A 801 OE1 GLN A 226 1555 1655 2.32 LINK CA CA A 803 OD2 ASP A 323 1555 1455 2.49

CISPEP 1 SER A 89 PRO A 90 0 16.36 CISPEP 2 ASN A 143 SER A 144 0 -6.92 CISPEP 3 LEU A 177 PRO A 178 0 2.03

SITE 1 AC1 7 GLU A 258 HOH A2090 HOH A2108 HOH A2155 SITE 2 AC1 7 HOH A2191 HOH A2330 HOH A2331 SITE 1 AC2 7 GLN A 226 ASP A 313 THR A 315 HOH A2128 SITE 2 AC2 7 HOH A2382 HOH A2436 HOH A2437 SITE 1 AC3 6 ASP A 247 HOH A2215 HOH A2282 HOH A2378 SITE 2 AC3 6 HOH A2379 HOH A2384 SITE 1 AC4 7 ASN A 184 GLY A 185 ASP A 323 HOH A2334 SITE 2 AC4 7 HOH A2354 HOH A2355 HOH A2372 SITE 1 AC5 5 ARG A 239 CYS A 240 ARG A 242 LYS A 285 SITE 2 AC5 5 HOH A2327

CRYST1 52.274 74.089 94.090 90.00 90.00 90.00 P 21 21 21 4

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 0.019130 0.000000 0.000000 0.00000

SCALE2 0.000000 0.013497 0.000000 0.00000

SCALE3 0.000000 0.000000 0.010628 0.00000