HEADER INTEGRIN 13-JUL-97 1AOX TITLE I DOMAIN FROM INTEGRIN ALPHA2-BETA1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: INTEGRIN ALPHA 2 BETA; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: I DOMAIN; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: 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 BL21; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PGEX-KT KEYWDS INTEGRIN, CELL ADHESION, GLYCOPROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.EMSLEY,S.L.KING,J.M.BERGELSON,R.C.LIDDINGTON REVDAT 3 02-AUG-23 1AOX 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1AOX 1 VERSN REVDAT 1 25-NOV-98 1AOX 0 JRNL AUTH J.EMSLEY,S.L.KING,J.M.BERGELSON,R.C.LIDDINGTON JRNL TITL CRYSTAL STRUCTURE OF THE I DOMAIN FROM INTEGRIN ALPHA2BETA1. JRNL REF J.BIOL.CHEM. V. 272 28512 1997 JRNL REFN ISSN 0021-9258 JRNL PMID 9353312 JRNL DOI 10.1074/JBC.272.45.28512 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.8 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 23946 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.219 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3042 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 240 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.020 REMARK 3 BOND ANGLES (DEGREES) : 2.160 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.470 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 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 NCS MODEL : NULL 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 : PARAM19X.PRO REMARK 3 PARAMETER FILE 2 : PARAMPCA.B72 REMARK 3 PARAMETER FILE 3 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 4 : PARDNA.PRO REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPH19X.PRO REMARK 3 TOPOLOGY FILE 2 : TOPHPCA.B72 REMARK 3 TOPOLOGY FILE 3 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 4 : TOPDNA.PRO REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1AOX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000171078. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NOV-96 REMARK 200 TEMPERATURE (KELVIN) : 287 REMARK 200 PH : 7.5 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23946 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 3.200 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.10300 REMARK 200 FOR THE DATA SET : 21.8000 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) : 2.23 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.5 REMARK 200 DATA REDUNDANCY IN SHELL : 3.20 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.25900 REMARK 200 FOR SHELL : 9.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.8 REMARK 200 STARTING MODEL: 1IDO REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,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 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 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 ARG A 137 REMARK 465 SER A 138 REMARK 465 GLY B 338 REMARK 465 THR B 339 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 168 CG CD CE NZ REMARK 470 GLU A 204 CG CD OE1 OE2 REMARK 470 ARG A 243 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 201 CG CD CE NZ REMARK 470 GLU B 205 CG CD OE1 OE2 REMARK 470 LYS B 232 CG CD CE NZ REMARK 470 ARG B 243 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 264 CG CD CE NZ REMARK 470 GLU B 323 CG CD OE1 OE2 REMARK 470 LYS B 324 CG CD CE NZ REMARK 470 PHE B 333 CG CD1 CD2 CE1 CE2 CZ REMARK 470 SER B 334 OG REMARK 470 GLU B 336 CG CD OE1 OE2 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 C ILE B 306 CD PRO B 307 1.75 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 LEU A 263 CA - CB - CG ANGL. DEV. = 14.2 DEGREES REMARK 500 PRO A 307 C - N - CD ANGL. DEV. = -13.6 DEGREES REMARK 500 PRO B 307 C - N - CA ANGL. DEV. = 58.2 DEGREES REMARK 500 PRO B 307 C - N - CD ANGL. DEV. = -52.2 DEGREES REMARK 500 PRO B 307 CA - N - CD ANGL. DEV. = -9.5 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 SER A 142 -9.64 82.23 REMARK 500 LYS A 179 -115.55 -114.15 REMARK 500 ALA A 188 -97.92 -164.92 REMARK 500 THR A 199 -60.45 -23.19 REMARK 500 ARG A 243 115.42 72.62 REMARK 500 SER A 244 37.97 92.47 REMARK 500 ILE A 335 119.45 -35.75 REMARK 500 GLN B 171 1.78 -68.41 REMARK 500 LYS B 179 -126.97 -124.33 REMARK 500 ALA B 188 -99.45 -165.44 REMARK 500 LEU B 283 -167.52 -77.49 REMARK 500 PRO B 307 80.11 103.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 ILE B 306 10.03 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 MG A 400 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 153 OG REMARK 620 2 SER A 155 OG 87.0 REMARK 620 3 ASP A 254 OD1 100.0 84.4 REMARK 620 4 HOH A 699 O 89.2 167.4 84.4 REMARK 620 5 HOH A 700 O 81.3 94.1 178.0 97.2 REMARK 620 6 HOH A 701 O 174.5 91.1 85.0 93.6 93.7 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 401 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER B 153 OG REMARK 620 2 SER B 155 OG 88.5 REMARK 620 3 ASP B 254 OD1 97.7 89.5 REMARK 620 4 HOH B 693 O 87.4 172.7 85.1 REMARK 620 5 HOH B 695 O 86.0 91.7 176.1 93.9 REMARK 620 6 HOH B 696 O 177.1 90.1 84.8 94.2 91.6 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: MGA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: MG BINDING SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: MGB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: MG BINDING SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 401 DBREF 1AOX A 138 339 UNP P17301 ITA2_HUMAN 161 367 DBREF 1AOX B 138 339 UNP P17301 ITA2_HUMAN 161 367 SEQADV 1AOX A UNP P17301 PHE 162 DELETION SEQADV 1AOX A UNP P17301 PRO 164 DELETION SEQADV 1AOX A UNP P17301 ALA 165 DELETION SEQADV 1AOX A UNP P17301 THR 166 DELETION SEQADV 1AOX A UNP P17301 GLN 167 DELETION SEQADV 1AOX A UNP P17301 PRO 168 DELETION SEQADV 1AOX GLY A 337 UNP P17301 INSERTION SEQADV 1AOX B UNP P17301 PHE 162 DELETION SEQADV 1AOX B UNP P17301 PRO 164 DELETION SEQADV 1AOX B UNP P17301 ALA 165 DELETION SEQADV 1AOX B UNP P17301 THR 166 DELETION SEQADV 1AOX B UNP P17301 GLN 167 DELETION SEQADV 1AOX B UNP P17301 PRO 168 DELETION SEQADV 1AOX GLY B 337 UNP P17301 INSERTION SEQRES 1 A 203 ARG SER SER CYS PRO SER LEU ILE ASP VAL VAL VAL VAL SEQRES 2 A 203 CYS ASP GLU SER ASN SER ILE TYR PRO TRP ASP ALA VAL SEQRES 3 A 203 LYS ASN PHE LEU GLU LYS PHE VAL GLN GLY LEU ASP ILE SEQRES 4 A 203 GLY PRO THR LYS THR GLN VAL GLY LEU ILE GLN TYR ALA SEQRES 5 A 203 ASN ASN PRO ARG VAL VAL PHE ASN LEU ASN THR TYR LYS SEQRES 6 A 203 THR LYS GLU GLU MET ILE VAL ALA THR SER GLN THR SER SEQRES 7 A 203 GLN TYR GLY GLY ASP LEU THR ASN THR PHE GLY ALA ILE SEQRES 8 A 203 GLN TYR ALA ARG LYS TYR ALA TYR SER ALA ALA SER GLY SEQRES 9 A 203 GLY ARG ARG SER ALA THR LYS VAL MET VAL VAL VAL THR SEQRES 10 A 203 ASP GLY GLU SER HIS ASP GLY SER MET LEU LYS ALA VAL SEQRES 11 A 203 ILE ASP GLN CYS ASN HIS ASP ASN ILE LEU ARG PHE GLY SEQRES 12 A 203 ILE ALA VAL LEU GLY TYR LEU ASN ARG ASN ALA LEU ASP SEQRES 13 A 203 THR LYS ASN LEU ILE LYS GLU ILE LYS ALA ILE ALA SER SEQRES 14 A 203 ILE PRO THR GLU ARG TYR PHE PHE ASN VAL SER ASP GLU SEQRES 15 A 203 ALA ALA LEU LEU GLU LYS ALA GLY THR LEU GLY GLU GLN SEQRES 16 A 203 ILE PHE SER ILE GLU GLY GLY THR SEQRES 1 B 203 ARG SER SER CYS PRO SER LEU ILE ASP VAL VAL VAL VAL SEQRES 2 B 203 CYS ASP GLU SER ASN SER ILE TYR PRO TRP ASP ALA VAL SEQRES 3 B 203 LYS ASN PHE LEU GLU LYS PHE VAL GLN GLY LEU ASP ILE SEQRES 4 B 203 GLY PRO THR LYS THR GLN VAL GLY LEU ILE GLN TYR ALA SEQRES 5 B 203 ASN ASN PRO ARG VAL VAL PHE ASN LEU ASN THR TYR LYS SEQRES 6 B 203 THR LYS GLU GLU MET ILE VAL ALA THR SER GLN THR SER SEQRES 7 B 203 GLN TYR GLY GLY ASP LEU THR ASN THR PHE GLY ALA ILE SEQRES 8 B 203 GLN TYR ALA ARG LYS TYR ALA TYR SER ALA ALA SER GLY SEQRES 9 B 203 GLY ARG ARG SER ALA THR LYS VAL MET VAL VAL VAL THR SEQRES 10 B 203 ASP GLY GLU SER HIS ASP GLY SER MET LEU LYS ALA VAL SEQRES 11 B 203 ILE ASP GLN CYS ASN HIS ASP ASN ILE LEU ARG PHE GLY SEQRES 12 B 203 ILE ALA VAL LEU GLY TYR LEU ASN ARG ASN ALA LEU ASP SEQRES 13 B 203 THR LYS ASN LEU ILE LYS GLU ILE LYS ALA ILE ALA SER SEQRES 14 B 203 ILE PRO THR GLU ARG TYR PHE PHE ASN VAL SER ASP GLU SEQRES 15 B 203 ALA ALA LEU LEU GLU LYS ALA GLY THR LEU GLY GLU GLN SEQRES 16 B 203 ILE PHE SER ILE GLU GLY GLY THR HET MG A 400 1 HET MG B 401 1 HETNAM MG MAGNESIUM ION FORMUL 3 MG 2(MG 2+) FORMUL 5 HOH *240(H2 O) HELIX 1 1 TRP A 159 GLY A 172 1 14 HELIX 2 2 LYS A 203 GLN A 212 1 10 HELIX 3 3 THR A 223 TYR A 233 1 11 HELIX 4 4 ALA A 237 SER A 239 5 3 HELIX 5 5 GLY A 260 HIS A 272 5 13 HELIX 6 6 GLY A 284 ARG A 288 1 5 HELIX 7 7 LYS A 294 LYS A 301 1 8 HELIX 8 8 THR A 308 TYR A 311 1 4 HELIX 9 9 GLU A 318 PHE A 333 5 16 HELIX 10 10 TRP B 159 GLY B 172 1 14 HELIX 11 11 LYS B 203 GLN B 212 1 10 HELIX 12 12 THR B 223 TYR B 233 1 11 HELIX 13 13 ALA B 237 SER B 239 5 3 HELIX 14 14 GLY B 260 HIS B 272 5 13 HELIX 15 15 TYR B 285 ASN B 289 1 5 HELIX 16 16 LYS B 294 ILE B 303 1 10 HELIX 17 17 THR B 308 TYR B 311 1 4 HELIX 18 18 GLU B 318 PHE B 333 1 16 SHEET 1 A 6 PHE A 312 VAL A 315 0 SHEET 2 A 6 ILE A 275 VAL A 282 1 N GLY A 279 O PHE A 313 SHEET 3 A 6 THR A 246 THR A 253 1 N LYS A 247 O LEU A 276 SHEET 4 A 6 ILE A 144 ASP A 151 1 N ASP A 145 O THR A 246 SHEET 5 A 6 THR A 180 TYR A 187 1 N GLN A 181 O ILE A 144 SHEET 6 A 6 PRO A 191 PHE A 195 -1 N PHE A 195 O LEU A 184 SHEET 1 B 6 PRO B 191 PHE B 195 0 SHEET 2 B 6 GLN B 181 TYR B 187 -1 N GLN B 186 O ARG B 192 SHEET 3 B 6 ILE B 144 ASP B 151 1 N VAL B 146 O GLN B 181 SHEET 4 B 6 THR B 246 THR B 253 1 N THR B 246 O ASP B 145 SHEET 5 B 6 ILE B 275 VAL B 282 1 N LEU B 276 O LYS B 247 SHEET 6 B 6 PHE B 312 VAL B 315 1 N PHE B 313 O GLY B 279 SSBOND 1 CYS A 140 CYS B 140 1555 1555 2.04 LINK OG SER A 153 MG MG A 400 1555 1555 2.18 LINK OG SER A 155 MG MG A 400 1555 1555 2.02 LINK OD1 ASP A 254 MG MG A 400 1555 1555 2.08 LINK MG MG A 400 O HOH A 699 1555 1555 2.02 LINK MG MG A 400 O HOH A 700 1555 1555 2.08 LINK MG MG A 400 O HOH A 701 1555 1555 2.10 LINK OG SER B 153 MG MG B 401 1555 1555 2.26 LINK OG SER B 155 MG MG B 401 1555 1555 1.97 LINK OD1 ASP B 254 MG MG B 401 1555 1555 2.02 LINK MG MG B 401 O HOH B 693 1555 1555 2.01 LINK MG MG B 401 O HOH B 695 1555 1555 2.21 LINK MG MG B 401 O HOH B 696 1555 1555 2.13 CISPEP 1 TYR A 157 PRO A 158 0 0.73 CISPEP 2 ILE A 306 PRO A 307 0 3.27 CISPEP 3 TYR B 157 PRO B 158 0 2.41 SITE 1 MGA 5 ASP A 151 SER A 153 SER A 155 THR A 221 SITE 2 MGA 5 ASP A 254 SITE 1 MGB 5 ASP B 151 SER B 153 SER B 155 THR B 221 SITE 2 MGB 5 ASP B 254 SITE 1 AC1 6 SER A 153 SER A 155 ASP A 254 HOH A 699 SITE 2 AC1 6 HOH A 700 HOH A 701 SITE 1 AC2 6 SER B 153 SER B 155 ASP B 254 HOH B 693 SITE 2 AC2 6 HOH B 695 HOH B 696 CRYST1 40.540 43.290 68.040 88.27 76.59 66.74 P 1 2 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 0.024667 -0.010603 -0.006625 0.00000 SCALE2 0.000000 0.025144 0.001731 0.00000 SCALE3 0.000000 0.000000 0.015145 0.00000 MTRIX1 1 -0.605200 -0.785300 -0.130600 40.20610 1 MTRIX2 1 -0.794400 0.584800 0.164300 19.38480 1 MTRIX3 1 -0.052600 0.203100 -0.977700 47.41500 1