PDB Short entry for 1K9K HEADER SIGNALING PROTEIN 29-OCT-01 1K9K TITLE CRYSTAL STRUCTURE OF CALCIUM BOUND HUMAN S100A6 COMPND MOL_ID: 1; COMPND 2 MOLECULE: S100A6; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CALCYCLIN, CACY; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: S100A6; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3) PLYS; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PAED4 KEYWDS S100A6, CALCYCLIN, CALCIUM REGULATORY PROTEIN, CALCIUM BOUND, CACY, KEYWDS 2 SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR L.R.OTTERBEIN,R.DOMINGUEZ REVDAT 4 16-AUG-23 1K9K 1 REMARK LINK REVDAT 3 24-FEB-09 1K9K 1 VERSN REVDAT 2 01-APR-03 1K9K 1 JRNL REVDAT 1 10-APR-02 1K9K 0 JRNL AUTH L.R.OTTERBEIN,J.KORDOWSKA,C.WITTE-HOFFMANN,C.L.WANG, JRNL AUTH 2 R.DOMINGUEZ JRNL TITL CRYSTAL STRUCTURES OF S100A6 IN THE CA(2+)-FREE AND JRNL TITL 2 CA(2+)-BOUND STATES: THE CALCIUM SENSOR MECHANISM OF S100 JRNL TITL 3 PROTEINS REVEALED AT ATOMIC RESOLUTION. JRNL REF STRUCTURE V. 10 557 2002 JRNL REFN ISSN 0969-2126 JRNL PMID 11937060 JRNL DOI 10.1016/S0969-2126(02)00740-2 REMARK 2 REMARK 2 RESOLUTION. 1.76 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.76 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.20 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 3 NUMBER OF REFLECTIONS : 16825 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.185 REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.199 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 851 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1414 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 151 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.27 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1K9K COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-NOV-01. REMARK 100 THE DEPOSITION ID IS D_1000014730. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-DEC-00 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 14-BM-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : SI(III) DOUBLE CRYSTAL REMARK 200 MONOCHROMATOR, L1=1 REMARK 200 OPTICS : BENT CYLINDRICAL SI- MIRROR (RH REMARK 200 COATING) 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 : 16853 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 19.200 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.4 REMARK 200 DATA REDUNDANCY : 4.400 REMARK 200 R MERGE (I) : 0.06200 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 9.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.89 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.6 REMARK 200 DATA REDUNDANCY IN SHELL : 3.50 REMARK 200 R MERGE FOR SHELL (I) : 0.19200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PSORIASIN S100A7 (PBD # 1PSR) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 5000 MME, 30 MM TRIS-HCL, 8% REMARK 280 GLYCEROL, PH 7.8, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 28.30500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.21950 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 28.30500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 29.21950 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: 3800 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9380 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -87.0 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 9600 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16750 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -187.0 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 56.61000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 58.43900 REMARK 350 BIOMT3 2 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 MET A 1 REMARK 465 MET B 1 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 300 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 20 O REMARK 620 2 GLU A 23 O 105.2 REMARK 620 3 ASP A 25 O 83.7 91.1 REMARK 620 4 THR A 28 O 91.4 161.5 82.4 REMARK 620 5 GLU A 33 OE2 69.5 75.6 145.2 118.9 REMARK 620 6 GLU A 33 OE1 100.8 105.6 160.6 78.7 51.6 REMARK 620 7 HOH A 409 O 170.1 82.6 90.0 80.1 119.1 82.6 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 400 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 61 OD1 REMARK 620 2 ASN A 63 OD1 82.7 REMARK 620 3 ASP A 65 OD2 78.6 80.2 REMARK 620 4 GLU A 67 O 87.4 158.2 78.8 REMARK 620 5 GLU A 72 OE1 110.5 124.2 154.1 77.5 REMARK 620 6 GLU A 72 OE2 92.2 76.9 156.2 123.0 49.7 REMARK 620 7 HOH A 401 O 155.5 86.6 78.0 94.8 93.7 106.7 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 300 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER B 20 O REMARK 620 2 GLU B 23 O 109.2 REMARK 620 3 ASP B 25 O 80.0 83.9 REMARK 620 4 THR B 28 O 87.3 159.6 87.5 REMARK 620 5 GLU B 33 OE1 98.6 110.7 164.7 77.2 REMARK 620 6 GLU B 33 OE2 74.6 75.7 139.6 121.5 52.5 REMARK 620 7 HOH B 402 O 166.5 81.8 93.9 80.4 84.1 116.6 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 400 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 61 OD1 REMARK 620 2 ASN B 63 OD1 80.6 REMARK 620 3 ASP B 65 OD2 82.8 79.5 REMARK 620 4 GLU B 67 O 88.0 157.7 80.1 REMARK 620 5 GLU B 72 OE1 118.6 125.1 147.8 77.1 REMARK 620 6 GLU B 72 OE2 95.3 79.0 158.4 121.4 50.3 REMARK 620 7 HOH B 416 O 162.9 90.8 81.1 94.8 78.4 97.6 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 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 100 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME B 200 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1K8U RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CALCIUM FREE HUMAN S100A6 MUTANT CYS3MET (SE REMARK 900 DERIVATIVE) REMARK 900 RELATED ID: 1K96 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CALCIUM BOUND HUMAN S100A6 REMARK 900 RELATED ID: 1K9P RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CALCIUM FREE HUMAN S100A6 WILD TYPE DBREF 1K9K A 1 90 UNP P06703 S10A6_HUMAN 1 90 DBREF 1K9K B 1 90 UNP P06703 S10A6_HUMAN 1 90 SEQRES 1 A 90 MET ALA CYS PRO LEU ASP GLN ALA ILE GLY LEU LEU VAL SEQRES 2 A 90 ALA ILE PHE HIS LYS TYR SER GLY ARG GLU GLY ASP LYS SEQRES 3 A 90 HIS THR LEU SER LYS LYS GLU LEU LYS GLU LEU ILE GLN SEQRES 4 A 90 LYS GLU LEU THR ILE GLY SER LYS LEU GLN ASP ALA GLU SEQRES 5 A 90 ILE ALA ARG LEU MET GLU ASP LEU ASP ARG ASN LYS ASP SEQRES 6 A 90 GLN GLU VAL ASN PHE GLN GLU TYR VAL THR PHE LEU GLY SEQRES 7 A 90 ALA LEU ALA LEU ILE TYR ASN GLU ALA LEU LYS GLY SEQRES 1 B 90 MET ALA CYS PRO LEU ASP GLN ALA ILE GLY LEU LEU VAL SEQRES 2 B 90 ALA ILE PHE HIS LYS TYR SER GLY ARG GLU GLY ASP LYS SEQRES 3 B 90 HIS THR LEU SER LYS LYS GLU LEU LYS GLU LEU ILE GLN SEQRES 4 B 90 LYS GLU LEU THR ILE GLY SER LYS LEU GLN ASP ALA GLU SEQRES 5 B 90 ILE ALA ARG LEU MET GLU ASP LEU ASP ARG ASN LYS ASP SEQRES 6 B 90 GLN GLU VAL ASN PHE GLN GLU TYR VAL THR PHE LEU GLY SEQRES 7 B 90 ALA LEU ALA LEU ILE TYR ASN GLU ALA LEU LYS GLY HET CA A 300 1 HET CA A 400 1 HET BME A 100 4 HET CA B 300 1 HET CA B 400 1 HET BME B 200 4 HETNAM CA CALCIUM ION HETNAM BME BETA-MERCAPTOETHANOL FORMUL 3 CA 4(CA 2+) FORMUL 5 BME 2(C2 H6 O S) FORMUL 9 HOH *151(H2 O) HELIX 1 1 CYS A 3 GLY A 21 1 19 HELIX 2 2 SER A 30 LEU A 42 1 13 HELIX 3 3 ILE A 44 LEU A 48 5 5 HELIX 4 4 GLN A 49 ASP A 61 1 13 HELIX 5 5 PHE A 70 LEU A 88 1 19 HELIX 6 6 CYS B 3 GLY B 21 1 19 HELIX 7 7 SER B 30 LEU B 42 1 13 HELIX 8 8 ILE B 44 LEU B 48 5 5 HELIX 9 9 GLN B 49 ASP B 61 1 13 HELIX 10 10 ASN B 69 LYS B 89 1 21 SHEET 1 A 2 THR A 28 LEU A 29 0 SHEET 2 A 2 VAL A 68 ASN A 69 -1 O VAL A 68 N LEU A 29 LINK SG CYS A 3 S2 BME A 100 1555 1555 2.02 LINK SG CYS B 3 S2 BME B 200 1555 1555 2.03 LINK O SER A 20 CA CA A 300 1555 1555 2.30 LINK O GLU A 23 CA CA A 300 1555 1555 2.45 LINK O ASP A 25 CA CA A 300 1555 1555 2.39 LINK O THR A 28 CA CA A 300 1555 1555 2.40 LINK OE2 GLU A 33 CA CA A 300 1555 1555 2.66 LINK OE1 GLU A 33 CA CA A 300 1555 1555 2.36 LINK OD1 ASP A 61 CA CA A 400 1555 1555 2.35 LINK OD1 ASN A 63 CA CA A 400 1555 1555 2.39 LINK OD2 ASP A 65 CA CA A 400 1555 1555 2.37 LINK O GLU A 67 CA CA A 400 1555 1555 2.27 LINK OE1 GLU A 72 CA CA A 400 1555 1555 2.50 LINK OE2 GLU A 72 CA CA A 400 1555 1555 2.70 LINK CA CA A 300 O HOH A 409 1555 1555 2.48 LINK CA CA A 400 O HOH A 401 1555 1555 2.33 LINK O SER B 20 CA CA B 300 1555 1555 2.29 LINK O GLU B 23 CA CA B 300 1555 1555 2.39 LINK O ASP B 25 CA CA B 300 1555 1555 2.39 LINK O THR B 28 CA CA B 300 1555 1555 2.52 LINK OE1 GLU B 33 CA CA B 300 1555 1555 2.39 LINK OE2 GLU B 33 CA CA B 300 1555 1555 2.56 LINK OD1 ASP B 61 CA CA B 400 1555 1555 2.35 LINK OD1 ASN B 63 CA CA B 400 1555 1555 2.31 LINK OD2 ASP B 65 CA CA B 400 1555 1555 2.45 LINK O GLU B 67 CA CA B 400 1555 1555 2.22 LINK OE1 GLU B 72 CA CA B 400 1555 1555 2.49 LINK OE2 GLU B 72 CA CA B 400 1555 1555 2.66 LINK CA CA B 300 O HOH B 402 1555 1555 2.49 LINK CA CA B 400 O HOH B 416 1555 1555 2.41 SITE 1 AC1 6 SER A 20 GLU A 23 ASP A 25 THR A 28 SITE 2 AC1 6 GLU A 33 HOH A 409 SITE 1 AC2 6 ASP A 61 ASN A 63 ASP A 65 GLU A 67 SITE 2 AC2 6 GLU A 72 HOH A 401 SITE 1 AC3 6 SER B 20 GLU B 23 ASP B 25 THR B 28 SITE 2 AC3 6 GLU B 33 HOH B 402 SITE 1 AC4 6 ASP B 61 ASN B 63 ASP B 65 GLU B 67 SITE 2 AC4 6 GLU B 72 HOH B 416 SITE 1 AC5 3 CYS A 3 HOH A 452 LYS B 40 SITE 1 AC6 2 LYS A 40 CYS B 3 CRYST1 56.610 58.439 51.030 90.00 90.00 90.00 P 21 21 2 8 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 0.017665 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017112 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019596 0.00000