HEADER SUGAR BINDING PROTEIN 18-DEC-15 5FFS TITLE CRYSTAL STRUCTURE OF SURFACTANT PROTEIN-A Y164A MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: PULMONARY SURFACTANT-ASSOCIATED PROTEIN A; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: NECK AND CARBOHYDRATE RECOGNITION DOMAIN; COMPND 5 SYNONYM: SP-A; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: SFTPA1, SFTP-1, SFTP1, SFTPA; SOURCE 6 EXPRESSION_SYSTEM: TRICHOPLUSIA NI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7111; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PVL 1392 KEYWDS COLLECTIN, CARBOHYDRATE BINDING, LECTIN, LIPID BINDING, SUGAR BINDING KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR B.C.GOH,H.WU,M.J.RYNKIEWICZ,K.SCHULTEN,B.A.SEATON,F.X.MCCORMACK REVDAT 4 11-DEC-19 5FFS 1 REMARK REVDAT 3 20-SEP-17 5FFS 1 JRNL REMARK REVDAT 2 13-JUL-16 5FFS 1 JRNL REVDAT 1 06-JUL-16 5FFS 0 JRNL AUTH B.C.GOH,H.WU,M.J.RYNKIEWICZ,K.SCHULTEN,B.A.SEATON, JRNL AUTH 2 F.X.MCCORMACK JRNL TITL ELUCIDATION OF LIPID BINDING SITES ON LUNG SURFACTANT JRNL TITL 2 PROTEIN A USING X-RAY CRYSTALLOGRAPHY, MUTAGENESIS, AND JRNL TITL 3 MOLECULAR DYNAMICS SIMULATIONS. JRNL REF BIOCHEMISTRY V. 55 3692 2016 JRNL REFN ISSN 0006-2960 JRNL PMID 27324153 JRNL DOI 10.1021/ACS.BIOCHEM.6B00048 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 14.65 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 3 NUMBER OF REFLECTIONS : 22321 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.164 REMARK 3 R VALUE (WORKING SET) : 0.162 REMARK 3 FREE R VALUE : 0.180 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.650 REMARK 3 FREE R VALUE TEST SET COUNT : 1707 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 14.6458 - 4.0935 0.97 1734 143 0.1539 0.1359 REMARK 3 2 4.0935 - 3.2609 0.99 1739 150 0.1566 0.1950 REMARK 3 3 3.2609 - 2.8522 1.00 1738 141 0.1717 0.1735 REMARK 3 4 2.8522 - 2.5930 1.00 1738 145 0.1696 0.2011 REMARK 3 5 2.5930 - 2.4080 1.00 1737 146 0.1638 0.2279 REMARK 3 6 2.4080 - 2.2666 1.00 1734 142 0.1646 0.1737 REMARK 3 7 2.2666 - 2.1534 1.00 1718 141 0.1543 0.1805 REMARK 3 8 2.1534 - 2.0599 0.99 1719 145 0.1442 0.1786 REMARK 3 9 2.0599 - 1.9808 0.99 1703 141 0.1691 0.1872 REMARK 3 10 1.9808 - 1.9126 0.99 1706 141 0.1723 0.2155 REMARK 3 11 1.9126 - 1.8530 0.98 1713 142 0.1712 0.2302 REMARK 3 12 1.8530 - 1.8001 0.95 1635 130 0.2099 0.2398 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 : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.150 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.150 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 27.12 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 30.70 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 : 0.008 1187 REMARK 3 ANGLE : 1.226 1614 REMARK 3 CHIRALITY : 0.077 173 REMARK 3 PLANARITY : 0.004 213 REMARK 3 DIHEDRAL : 14.192 439 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ( CHAIN A AND RESID 87:109 ) REMARK 3 ORIGIN FOR THE GROUP (A): 45.595 33.425 25.693 REMARK 3 T TENSOR REMARK 3 T11: 0.2146 T22: 0.1357 REMARK 3 T33: 0.1398 T12: 0.0364 REMARK 3 T13: 0.0096 T23: 0.0104 REMARK 3 L TENSOR REMARK 3 L11: 0.3451 L22: 0.0672 REMARK 3 L33: 0.2246 L12: 0.0829 REMARK 3 L13: -0.1643 L23: 0.0306 REMARK 3 S TENSOR REMARK 3 S11: 0.0012 S12: 0.0471 S13: 0.1325 REMARK 3 S21: -0.3214 S22: -0.0698 S23: -0.0999 REMARK 3 S31: -0.3126 S32: 0.1885 S33: 0.0043 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: ( CHAIN A AND RESID 110:228 ) REMARK 3 ORIGIN FOR THE GROUP (A): 71.612 32.980 40.148 REMARK 3 T TENSOR REMARK 3 T11: 0.1091 T22: 0.2028 REMARK 3 T33: 0.1569 T12: 0.0052 REMARK 3 T13: -0.0194 T23: -0.0103 REMARK 3 L TENSOR REMARK 3 L11: 1.4477 L22: 0.8315 REMARK 3 L33: 1.0770 L12: 1.0473 REMARK 3 L13: 0.4069 L23: 0.3676 REMARK 3 S TENSOR REMARK 3 S11: 0.1347 S12: -0.0144 S13: -0.2345 REMARK 3 S21: 0.1170 S22: 0.0142 S23: -0.1277 REMARK 3 S31: 0.1215 S32: 0.1957 S33: 0.1785 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 5FFS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-DEC-15. REMARK 100 THE DEPOSITION ID IS D_1000216519. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-JUL-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26014 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 90.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 200 DATA REDUNDANCY : 4.600 REMARK 200 R MERGE (I) : 0.02700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 45.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.76 REMARK 200 COMPLETENESS FOR SHELL (%) : 74.1 REMARK 200 DATA REDUNDANCY IN SHELL : 1.80 REMARK 200 R MERGE FOR SHELL (I) : 0.22800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 66.61 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.68 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALS WERE GROWN IN HANGING DROPS REMARK 280 OVER RESERVOIRS CONTAINING 10 MM SODIUM CACODYLATE (PH 6.0), 10 REMARK 280 MM CALCIUM ACETATE, AND 10% (W/V) PEG 20,000, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 290K 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 22.48000 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 22.48000 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 22.48000 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: 4910 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20900 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -73.0 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 97.16200 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 48.58100 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 84.14476 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 526 LIES ON A SPECIAL POSITION. 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 465 ASP A 84 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 HOH A 493 O HOH A 513 2.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 418 O HOH A 491 4764 2.19 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 ASP A 172 -178.78 -64.28 REMARK 500 SER A 187 -78.92 -106.03 REMARK 500 ASN A 190 53.06 -145.44 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 141.7 REMARK 620 3 ASN A 214 OD1 68.4 149.5 REMARK 620 4 ASP A 215 O 127.9 72.5 82.9 REMARK 620 5 ASP A 215 OD1 71.3 85.9 106.1 76.7 REMARK 620 6 HOH A 417 O 137.3 73.1 84.1 77.0 150.3 REMARK 620 7 HOH A 438 O 77.2 96.8 96.1 150.9 130.5 74.0 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 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5FFR RELATED DB: PDB REMARK 900 RELATED ID: 5FFT RELATED DB: PDB DBREF 5FFS A 81 228 UNP P08427 SFTPA_RAT 101 248 SEQADV 5FFS ALA A 164 UNP P08427 TYR 184 ENGINEERED MUTATION SEQADV 5FFS 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 SME GLY VAL LEU SER SEQRES 3 A 148 LEU GLN GLY SER SME 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 ALA VAL TYR LEU GLY SME 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 MODRES 5FFS SME A 102 MET MODIFIED RESIDUE MODRES 5FFS SME A 111 MET MODIFIED RESIDUE MODRES 5FFS SME A 169 MET MODIFIED RESIDUE HET SME A 102 9 HET SME A 111 9 HET SME A 169 9 HET CA A 300 1 HETNAM SME METHIONINE SULFOXIDE HETNAM CA CALCIUM ION FORMUL 1 SME 3(C5 H11 N O3 S) FORMUL 2 CA CA 2+ FORMUL 3 HOH *138(H2 O) HELIX 1 AA1 GLU A 85 GLN A 108 1 24 HELIX 2 AA2 ASN A 127 ALA A 138 1 12 HELIX 3 AA3 THR A 147 ASN A 162 1 16 SHEET 1 AA1 4 LEU A 112 VAL A 114 0 SHEET 2 AA1 4 LYS A 117 VAL A 126 -1 O PHE A 119 N LEU A 112 SHEET 3 AA1 4 ARG A 222 PHE A 228 -1 O CYS A 226 N SER A 120 SHEET 4 AA1 4 ASN A 141 ILE A 142 -1 N ASN A 141 O GLU A 227 SHEET 1 AA2 4 PHE A 178 TYR A 180 0 SHEET 2 AA2 4 VAL A 165 GLU A 171 -1 N ILE A 170 O HIS A 179 SHEET 3 AA2 4 CYS A 204 MET A 207 -1 O VAL A 205 N LEU A 167 SHEET 4 AA2 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 2.04 LINK C THR A 101 N SME A 102 1555 1555 1.33 LINK C SME A 102 N GLY A 103 1555 1555 1.33 LINK C SER A 110 N SME A 111 1555 1555 1.33 LINK C SME A 111 N LEU A 112 1555 1555 1.33 LINK C GLY A 168 N SME A 169 1555 1555 1.33 LINK C SME A 169 N ILE A 170 1555 1555 1.33 LINK OE1 GLU A 195 CA CA A 300 1555 1555 2.51 LINK OE1 GLU A 202 CA CA A 300 1555 1555 2.43 LINK OD1 ASN A 214 CA CA A 300 1555 1555 2.35 LINK O ASP A 215 CA CA A 300 1555 1555 2.38 LINK OD1 ASP A 215 CA CA A 300 1555 1555 2.29 LINK CA CA A 300 O HOH A 417 1555 1555 2.50 LINK CA CA A 300 O HOH A 438 1555 1555 2.41 CISPEP 1 GLU A 195 PRO A 196 0 -2.06 SITE 1 AC1 6 GLU A 195 GLU A 202 ASN A 214 ASP A 215 SITE 2 AC1 6 HOH A 417 HOH A 438 CRYST1 97.162 97.162 44.960 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 0.010292 0.005942 0.000000 0.00000 SCALE2 0.000000 0.011884 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022242 0.00000