HEADER SUGAR BINDING PROTEIN 20-OCT-10 3PBF TITLE SURFACTANT PROTEIN-A NECK AND CARBOHYDRATE RECOGNITION DOMAIN (NCRD) TITLE 2 COMPLEXED WITH GLYCEROL COMPND MOL_ID: 1; COMPND 2 MOLECULE: PULMONARY SURFACTANT-ASSOCIATED PROTEIN A; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 101-248; COMPND 5 SYNONYM: PSAP, PSP-A, SP-A; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: BROWN RAT,RAT,RATS; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: SFTP-1, SFTP1, SFTPA, SFTPA1; SOURCE 6 EXPRESSION_SYSTEM: TRICHOPLUSIA; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7110; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PVL 1392 KEYWDS COLLECTIN, CARBOHYDRATE BINDING, LECTIN, MANNOSE, SUGAR BINDING KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR F.SHANG,M.J.RYNKIEWICZ,F.X.MCCORMACK,H.WU,T.M.CAFARELLA,J.HEAD, AUTHOR 2 B.A.SEATON REVDAT 3 06-SEP-23 3PBF 1 REMARK SEQADV LINK REVDAT 2 01-AUG-12 3PBF 1 JRNL VERSN REVDAT 1 03-NOV-10 3PBF 0 JRNL AUTH F.SHANG,M.J.RYNKIEWICZ,F.X.MCCORMACK,H.WU,T.M.CAFARELLA, JRNL AUTH 2 J.F.HEAD,B.A.SEATON JRNL TITL CRYSTALLOGRAPHIC COMPLEXES OF SURFACTANT PROTEIN A AND JRNL TITL 2 CARBOHYDRATES REVEAL LIGAND-INDUCED CONFORMATIONAL CHANGE. JRNL REF J.BIOL.CHEM. V. 286 757 2011 JRNL REFN ISSN 0021-9258 JRNL PMID 21047777 JRNL DOI 10.1074/JBC.M110.175265 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 23.39 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 545437.940 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.1 REMARK 3 NUMBER OF REFLECTIONS : 22095 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 SET) : 0.207 REMARK 3 FREE R VALUE : 0.223 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 2187 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.91 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3045 REMARK 3 BIN R VALUE (WORKING SET) : 0.2520 REMARK 3 BIN FREE R VALUE : 0.2780 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 348 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.015 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1143 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 19 REMARK 3 SOLVENT ATOMS : 157 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.92000 REMARK 3 B22 (A**2) : 0.92000 REMARK 3 B33 (A**2) : -1.84000 REMARK 3 B12 (A**2) : 0.35000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.15 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.23 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.17 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.720 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.38 REMARK 3 BSOL : 57.37 REMARK 3 REMARK 3 NCS MODEL : NONE REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : CARBOHYDRATE.PARAM REMARK 3 PARAMETER FILE 3 : WATER.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : GLYCEROL.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : CARBOHYDRATE.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3PBF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-OCT-10. REMARK 100 THE DEPOSITION ID IS D_1000062187. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-AUG-02 REMARK 200 TEMPERATURE (KELVIN) : 90 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 : X8C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9795 REMARK 200 MONOCHROMATOR : SI(111) DOUBLE CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22680 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 5.000 REMARK 200 R MERGE (I) : 0.04400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.2 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.22900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB CODE 1R13 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 66.63 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.69 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1UL SP-A (10 MG/ML) WAS MIXED WITH 1UL REMARK 280 RESERVOIR (50 MM SODIUM CACODYLATE (PH = 6.5), 1.2-1.6 M LITHIUM REMARK 280 SULFATE, 10 MM CALCIUM CHLORIDE, AND 5 % V/V GLYCEROL. PRIOR TO REMARK 280 DATA COLLECTION, CRYSTALS WERE CRYOPROTECTED IN A SOLUTION WITH REMARK 280 HIGHER AMOUNTS OF GLYCEROL., VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 290K, PH 6.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/2 REMARK 290 6555 X-Y,X,Z+1/2 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 0.00000 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 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 22.45250 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 22.45250 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 22.45250 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 7330 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20870 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -75.0 KCAL/MOL 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 97.37600 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 48.68800 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 84.33009 REMARK 350 BIOMT3 3 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 ALA A 81 REMARK 465 TYR A 82 REMARK 465 LEU A 83 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 OD2 ASP A 116 O HOH A 413 2.16 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 SER A 187 -77.89 -104.51 REMARK 500 ASN A 190 53.74 -149.76 REMARK 500 ARG A 197 36.87 -148.11 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 CA A 300 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 195 OE1 REMARK 620 2 GLU A 202 OE1 146.3 REMARK 620 3 ASN A 214 OD1 69.3 143.8 REMARK 620 4 ASP A 215 OD1 68.0 92.8 100.6 REMARK 620 5 ASP A 215 O 128.1 69.6 80.6 77.7 REMARK 620 6 GOL A 412 O2 134.9 72.1 82.0 154.2 77.4 REMARK 620 7 GOL A 412 O1 77.1 111.0 76.8 143.2 136.1 62.6 REMARK 620 8 HOH A 518 O 92.2 63.3 143.8 100.6 132.7 91.3 68.6 REMARK 620 N 1 2 3 4 5 6 7 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 GOL A 410 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 411 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 412 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1R13 RELATED DB: PDB REMARK 900 SURFACTANT PROTEIN-A NCRD REMARK 900 RELATED ID: 1R14 RELATED DB: PDB REMARK 900 SURFACTANT PROTEIN-A NCRD COMPLEXED WITH SAMARIUM REMARK 900 RELATED ID: 3PAK RELATED DB: PDB REMARK 900 SURFACTANT PROTEIN-A NCRD COMPLEXED WITH MANNOSE REMARK 900 RELATED ID: 3PAQ RELATED DB: PDB REMARK 900 SURFACTANT PROTEIN-A NCRD COMPLEXED WITH ALPHA-METHYLMANNOSE REMARK 900 RELATED ID: 3PAR RELATED DB: PDB REMARK 900 UNLIGANDED SURFACTANT PROTEIN-A NCRD DBREF 3PBF A 81 228 UNP P08427 SFTPA_RAT 101 248 SEQADV 3PBF SER A 187 UNP P08427 ASN 207 ENGINEERED MUTATION SEQRES 1 A 148 ALA TYR LEU ASP GLU GLU LEU GLN THR GLU LEU TYR GLU SEQRES 2 A 148 ILE LYS HIS GLN ILE LEU GLN THR MET GLY VAL LEU SER SEQRES 3 A 148 LEU GLN GLY SER MET LEU SER VAL GLY ASP LYS VAL PHE SEQRES 4 A 148 SER THR ASN GLY GLN SER VAL ASN PHE ASP THR ILE LYS SEQRES 5 A 148 GLU MET CYS THR ARG ALA GLY GLY ASN ILE ALA VAL PRO SEQRES 6 A 148 ARG THR PRO GLU GLU ASN GLU ALA ILE ALA SER ILE ALA SEQRES 7 A 148 LYS LYS TYR ASN ASN TYR VAL TYR LEU GLY MET ILE GLU SEQRES 8 A 148 ASP GLN THR PRO GLY ASP PHE HIS TYR LEU ASP GLY ALA SEQRES 9 A 148 SER VAL SER TYR THR ASN TRP TYR PRO GLY GLU PRO ARG SEQRES 10 A 148 GLY GLN GLY LYS GLU LYS CYS VAL GLU MET TYR THR ASP SEQRES 11 A 148 GLY THR TRP ASN ASP ARG GLY CYS LEU GLN TYR ARG LEU SEQRES 12 A 148 ALA VAL CYS GLU PHE HET CA A 300 1 HET GOL A 410 6 HET GOL A 411 6 HET GOL A 412 6 HETNAM CA CALCIUM ION HETNAM GOL GLYCEROL HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 CA CA 2+ FORMUL 3 GOL 3(C3 H8 O3) FORMUL 6 HOH *157(H2 O) HELIX 1 1 ASP A 84 GLN A 108 1 25 HELIX 2 2 ASN A 127 ALA A 138 1 12 HELIX 3 3 THR A 147 ASN A 162 1 16 SHEET 1 A 4 LEU A 112 VAL A 114 0 SHEET 2 A 4 LYS A 117 VAL A 126 -1 O LYS A 117 N VAL A 114 SHEET 3 A 4 ARG A 222 PHE A 228 -1 O CYS A 226 N SER A 120 SHEET 4 A 4 ASN A 141 ILE A 142 -1 N ASN A 141 O GLU A 227 SHEET 1 B 4 PHE A 178 TYR A 180 0 SHEET 2 B 4 VAL A 165 GLU A 171 -1 N ILE A 170 O HIS A 179 SHEET 3 B 4 CYS A 204 MET A 207 -1 O VAL A 205 N LEU A 167 SHEET 4 B 4 TRP A 213 ARG A 216 -1 O ASN A 214 N GLU A 206 SSBOND 1 CYS A 135 CYS A 226 1555 1555 2.03 SSBOND 2 CYS A 204 CYS A 218 1555 1555 2.03 LINK OE1 GLU A 195 CA CA A 300 1555 1555 2.64 LINK OE1 GLU A 202 CA CA A 300 1555 1555 2.88 LINK OD1 ASN A 214 CA CA A 300 1555 1555 2.55 LINK OD1 ASP A 215 CA CA A 300 1555 1555 2.54 LINK O ASP A 215 CA CA A 300 1555 1555 2.55 LINK CA CA A 300 O2 GOL A 412 1555 1555 2.75 LINK CA CA A 300 O1 GOL A 412 1555 1555 2.82 LINK CA CA A 300 O HOH A 518 1555 1555 2.83 CISPEP 1 GLU A 195 PRO A 196 0 -0.28 SITE 1 AC1 6 GLU A 195 GLU A 202 ASN A 214 ASP A 215 SITE 2 AC1 6 GOL A 412 HOH A 518 SITE 1 AC2 10 GLY A 109 SER A 110 MET A 111 LEU A 112 SITE 2 AC2 10 SER A 120 THR A 121 LYS A 160 HOH A 454 SITE 3 AC2 10 HOH A 478 HOH A 479 SITE 1 AC3 5 PRO A 196 ARG A 197 GLY A 198 GLN A 199 SITE 2 AC3 5 HOH A 437 SITE 1 AC4 7 GLU A 195 ARG A 197 GLU A 202 ASN A 214 SITE 2 AC4 7 ASP A 215 ARG A 216 CA A 300 CRYST1 97.376 97.376 44.905 90.00 90.00 120.00 P 63 6 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 0.010269 0.005929 0.000000 0.00000 SCALE2 0.000000 0.011858 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022269 0.00000