HEADER CELL CYCLE 19-JUN-12 4AYA TITLE CRYSTAL STRUCTURE OF ID2 HLH HOMODIMER AT 2.1A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA-BINDING PROTEIN INHIBITOR ID-2; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: HELIX-LOOP-HELIX DOMAIN, RESIDUES 1-82; COMPND 5 SYNONYM: CLASS D BASIC HELIX-LOOP-HELIX PROTEIN 26, CLASS B BASIC COMPND 6 HELIX-LOOP-HELIX PROTEIN 26, BHLHB26, INHIBITOR OF DNA BINDING 2; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PDEST-565 KEYWDS CELL CYCLE EXPDTA X-RAY DIFFRACTION AUTHOR M.V.WONG,S.JIANG,P.PALASINGAM,P.R.KOLATKAR REVDAT 1 14-NOV-12 4AYA 0 JRNL AUTH M.V.WONG,S.JIANG,P.PALASINGAM,P.R.KOLATKAR JRNL TITL A DIVALENT ION IS CRUCIAL IN THE STRUCTURE AND DOMINANT- JRNL TITL 2 NEGATIVE FUNCTION OF ID PROTEINS, A CLASS OF HELIX-LOOP- JRNL TITL 3 HELIX TRANSCRIPTION REGULATORS. JRNL REF PLOS ONE V. 7 48591 2012 JRNL REFN ISSN 1932-6203 JRNL PMID 23119064 JRNL DOI 10.1371/JOURNAL.PONE.0048591 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VICENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.103 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 44.706 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.65 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.20 REMARK 3 NUMBER OF REFLECTIONS : 10026 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.2271 REMARK 3 R VALUE (WORKING SET) : 0.2246 REMARK 3 FREE R VALUE : 0.2497 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.8 REMARK 3 FREE R VALUE TEST SET COUNT : 987 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 44.7160 - 4.0222 0.99 1444 153 0.2091 0.1968 REMARK 3 2 4.0222 - 3.1928 1.00 1356 148 0.2096 0.2479 REMARK 3 3 3.1928 - 2.7893 0.98 1335 148 0.2613 0.3268 REMARK 3 4 2.7893 - 2.5343 0.97 1300 140 0.2585 0.2775 REMARK 3 5 2.5343 - 2.3526 0.94 1229 133 0.2357 0.3081 REMARK 3 6 2.3526 - 2.2139 0.91 1228 136 0.2351 0.3124 REMARK 3 7 2.2139 - 2.1031 0.88 1147 129 0.2513 0.3049 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : 0 REMARK 3 B_SOL : 0 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.23 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.31 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 41.98 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 54.4 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.007 888 REMARK 3 ANGLE : 1.071 1198 REMARK 3 CHIRALITY : 0.059 141 REMARK 3 PLANARITY : 0.004 149 REMARK 3 DIHEDRAL : 13.029 346 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: RESIDUES 1-29 ARE MISSING IN REMARK 3 CHAIN A. RESIDUES 1-34 ARE MISSING IN CHAIN B. REMARK 4 REMARK 4 4AYA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 19-JUN-12. REMARK 100 THE PDBE ID CODE IS EBI-47470. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-JUN-09 REMARK 200 TEMPERATURE (KELVIN) : 103 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X29A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.080900 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10569 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.10 REMARK 200 RESOLUTION RANGE LOW (A) : 50.00 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.0 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 11.9 REMARK 200 R MERGE (I) : 0.06 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 40.60 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.18 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 10.2 REMARK 200 R MERGE FOR SHELL (I) : 0.42 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.20 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: INTERNAL SELENOMETHIONINE-SUBSTITUTED ID2 REMARK 200 STRUCTURE AT 3.0A REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 37.8 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.98 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM REMARK 280 0.1 M MES PH6.5, 2.0 M POTASSIUM ACETATE 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 74.31600 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 37.15800 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 37.15800 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 74.31600 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2350 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 7350 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -30.1 KCAL/MOL 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. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 GLY A 0 REMARK 465 MET A 1 REMARK 465 LYS A 2 REMARK 465 ALA A 3 REMARK 465 PHE A 4 REMARK 465 SER A 5 REMARK 465 PRO A 6 REMARK 465 VAL A 7 REMARK 465 ARG A 8 REMARK 465 SER A 9 REMARK 465 VAL A 10 REMARK 465 ARG A 11 REMARK 465 LYS A 12 REMARK 465 ASN A 13 REMARK 465 SER A 14 REMARK 465 LEU A 15 REMARK 465 SER A 16 REMARK 465 ASP A 17 REMARK 465 HIS A 18 REMARK 465 SER A 19 REMARK 465 LEU A 20 REMARK 465 GLY A 21 REMARK 465 ILE A 22 REMARK 465 SER A 23 REMARK 465 ARG A 24 REMARK 465 SER A 25 REMARK 465 LYS A 26 REMARK 465 THR A 27 REMARK 465 PRO A 28 REMARK 465 VAL A 29 REMARK 465 VAL A 89 REMARK 465 GLN A 90 REMARK 465 SER A 91 REMARK 465 GLY A 92 REMARK 465 ASP A 93 REMARK 465 ILE A 94 REMARK 465 ALA A 95 REMARK 465 SER A 96 REMARK 465 GLY B 0 REMARK 465 MET B 1 REMARK 465 LYS B 2 REMARK 465 ALA B 3 REMARK 465 PHE B 4 REMARK 465 SER B 5 REMARK 465 PRO B 6 REMARK 465 VAL B 7 REMARK 465 ARG B 8 REMARK 465 SER B 9 REMARK 465 VAL B 10 REMARK 465 ARG B 11 REMARK 465 LYS B 12 REMARK 465 ASN B 13 REMARK 465 SER B 14 REMARK 465 LEU B 15 REMARK 465 SER B 16 REMARK 465 ASP B 17 REMARK 465 HIS B 18 REMARK 465 SER B 19 REMARK 465 LEU B 20 REMARK 465 GLY B 21 REMARK 465 ILE B 22 REMARK 465 SER B 23 REMARK 465 ARG B 24 REMARK 465 SER B 25 REMARK 465 LYS B 26 REMARK 465 THR B 27 REMARK 465 PRO B 28 REMARK 465 VAL B 29 REMARK 465 ASP B 30 REMARK 465 ASP B 31 REMARK 465 PRO B 32 REMARK 465 MET B 33 REMARK 465 SER B 34 REMARK 465 LEU B 83 REMARK 465 LYS B 84 REMARK 465 PRO B 85 REMARK 465 SER B 86 REMARK 465 PHE B 87 REMARK 465 LEU B 88 REMARK 465 VAL B 89 REMARK 465 GLN B 90 REMARK 465 SER B 91 REMARK 465 GLY B 92 REMARK 465 ASP B 93 REMARK 465 ILE B 94 REMARK 465 ALA B 95 REMARK 465 SER B 96 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 ASN A 56 39.03 -85.06 REMARK 500 SER A 81 -72.41 -116.19 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 K A1089 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LYS A 47 O REMARK 620 2 VAL A 50 O 85.1 REMARK 620 3 HOH A2001 O 105.7 82.4 REMARK 620 4 ILE A 53 O 98.2 88.7 153.6 REMARK 620 5 GLN A 55 OE1 85.7 161.2 84.3 108.9 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B1083 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN B 55 OE1 REMARK 620 2 ILE B 53 O 107.9 REMARK 620 3 HOH B2007 O 89.0 61.6 REMARK 620 4 LYS B 47 O 78.5 87.6 141.4 REMARK 620 5 VAL B 50 O 152.1 91.5 118.3 82.6 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A1089 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A1090 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B1083 REMARK 999 REMARK 999 SEQUENCE REMARK 999 FIRST RESIDUE IN SEQUENCE AFTER TEV CLEAVAGE IS A GLYCINE. REMARK 999 ID2 SEQUENCE NUMBERING STARTS FROM SECOND RESIDUE, REMARK 999 METHIONINE. RESIDUE 83 ONWARDS CONTAINS THE C-TERMINAL REMARK 999 STABILIZER POLYPEPTIDE. DBREF 4AYA A 1 82 UNP Q02363 ID2_HUMAN 1 82 DBREF 4AYA B 1 82 UNP Q02363 ID2_HUMAN 1 82 SEQADV 4AYA GLY A 0 UNP Q02363 CLONING ARTIFACT SEQADV 4AYA LEU A 83 UNP Q02363 SEE REMARK 999 SEQADV 4AYA LYS A 84 UNP Q02363 SEE REMARK 999 SEQADV 4AYA PRO A 85 UNP Q02363 SEE REMARK 999 SEQADV 4AYA SER A 86 UNP Q02363 SEE REMARK 999 SEQADV 4AYA PHE A 87 UNP Q02363 SEE REMARK 999 SEQADV 4AYA LEU A 88 UNP Q02363 SEE REMARK 999 SEQADV 4AYA VAL A 89 UNP Q02363 SEE REMARK 999 SEQADV 4AYA GLN A 90 UNP Q02363 SEE REMARK 999 SEQADV 4AYA SER A 91 UNP Q02363 SEE REMARK 999 SEQADV 4AYA GLY A 92 UNP Q02363 SEE REMARK 999 SEQADV 4AYA ASP A 93 UNP Q02363 SEE REMARK 999 SEQADV 4AYA ILE A 94 UNP Q02363 SEE REMARK 999 SEQADV 4AYA ALA A 95 UNP Q02363 SEE REMARK 999 SEQADV 4AYA SER A 96 UNP Q02363 SEE REMARK 999 SEQADV 4AYA GLY B 0 UNP Q02363 CLONING ARTIFACT SEQADV 4AYA LEU B 83 UNP Q02363 SEE REMARK 999 SEQADV 4AYA LYS B 84 UNP Q02363 SEE REMARK 999 SEQADV 4AYA PRO B 85 UNP Q02363 SEE REMARK 999 SEQADV 4AYA SER B 86 UNP Q02363 SEE REMARK 999 SEQADV 4AYA PHE B 87 UNP Q02363 SEE REMARK 999 SEQADV 4AYA LEU B 88 UNP Q02363 SEE REMARK 999 SEQADV 4AYA VAL B 89 UNP Q02363 SEE REMARK 999 SEQADV 4AYA GLN B 90 UNP Q02363 SEE REMARK 999 SEQADV 4AYA SER B 91 UNP Q02363 SEE REMARK 999 SEQADV 4AYA GLY B 92 UNP Q02363 SEE REMARK 999 SEQADV 4AYA ASP B 93 UNP Q02363 SEE REMARK 999 SEQADV 4AYA ILE B 94 UNP Q02363 SEE REMARK 999 SEQADV 4AYA ALA B 95 UNP Q02363 SEE REMARK 999 SEQADV 4AYA SER B 96 UNP Q02363 SEE REMARK 999 SEQRES 1 A 97 GLY MET LYS ALA PHE SER PRO VAL ARG SER VAL ARG LYS SEQRES 2 A 97 ASN SER LEU SER ASP HIS SER LEU GLY ILE SER ARG SER SEQRES 3 A 97 LYS THR PRO VAL ASP ASP PRO MET SER LEU LEU TYR ASN SEQRES 4 A 97 MET ASN ASP CYS TYR SER LYS LEU LYS GLU LEU VAL PRO SEQRES 5 A 97 SER ILE PRO GLN ASN LYS LYS VAL SER LYS MET GLU ILE SEQRES 6 A 97 LEU GLN HIS VAL ILE ASP TYR ILE LEU ASP LEU GLN ILE SEQRES 7 A 97 ALA LEU ASP SER HIS LEU LYS PRO SER PHE LEU VAL GLN SEQRES 8 A 97 SER GLY ASP ILE ALA SER SEQRES 1 B 97 GLY MET LYS ALA PHE SER PRO VAL ARG SER VAL ARG LYS SEQRES 2 B 97 ASN SER LEU SER ASP HIS SER LEU GLY ILE SER ARG SER SEQRES 3 B 97 LYS THR PRO VAL ASP ASP PRO MET SER LEU LEU TYR ASN SEQRES 4 B 97 MET ASN ASP CYS TYR SER LYS LEU LYS GLU LEU VAL PRO SEQRES 5 B 97 SER ILE PRO GLN ASN LYS LYS VAL SER LYS MET GLU ILE SEQRES 6 B 97 LEU GLN HIS VAL ILE ASP TYR ILE LEU ASP LEU GLN ILE SEQRES 7 B 97 ALA LEU ASP SER HIS LEU LYS PRO SER PHE LEU VAL GLN SEQRES 8 B 97 SER GLY ASP ILE ALA SER HET K A1089 1 HET ACT A1090 4 HET K B1083 1 HETNAM K POTASSIUM ION HETNAM ACT ACETATE ION FORMUL 3 K 2(K 1+) FORMUL 4 ACT C2 H3 O2 1- FORMUL 5 HOH *24(H2 O) HELIX 1 1 ASP A 31 VAL A 50 1 20 HELIX 2 2 SER A 60 SER A 81 1 22 HELIX 3 3 ASN B 38 VAL B 50 1 13 HELIX 4 4 SER B 60 SER B 81 1 22 LINK K K A1089 O LYS A 47 1555 1555 2.70 LINK K K A1089 O VAL A 50 1555 1555 2.68 LINK K K A1089 O HOH A2001 1555 1555 3.06 LINK K K A1089 O ILE A 53 1555 1555 2.63 LINK K K A1089 OE1 GLN A 55 1555 1555 3.03 LINK K K B1083 O ILE B 53 1555 1555 2.70 LINK K K B1083 O HOH B2007 1555 1555 2.84 LINK K K B1083 O LYS B 47 1555 1555 2.60 LINK K K B1083 O VAL B 50 1555 1555 2.60 LINK K K B1083 OE1 GLN B 55 1555 1555 2.88 SITE 1 AC1 6 LYS A 47 VAL A 50 PRO A 51 ILE A 53 SITE 2 AC1 6 GLN A 55 HOH A2001 SITE 1 AC2 4 MET A 39 LYS A 61 TYR B 43 LYS B 61 SITE 1 AC3 6 LYS B 47 VAL B 50 PRO B 51 ILE B 53 SITE 2 AC3 6 GLN B 55 HOH B2007 CRYST1 51.622 51.622 111.474 90.00 90.00 120.00 P 32 2 1 12 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 0.019372 0.011184 0.000000 0.00000 SCALE2 0.000000 0.022368 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008971 0.00000