HEADER CELL ADHESION 17-MAY-99 1QC5 TITLE I DOMAIN FROM INTEGRIN ALPHA1-BETA1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (ALPHA1 BETA1 INTEGRIN); COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: I-DOMAIN; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: PROTEIN (ALPHA1 BETA1 INTEGRIN); COMPND 9 CHAIN: B; COMPND 10 FRAGMENT: I-DOMAIN; COMPND 11 ENGINEERED: YES; COMPND 12 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; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PQE-30; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 10 ORGANISM_COMMON: HUMAN; SOURCE 11 ORGANISM_TAXID: 9606; SOURCE 12 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 13 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 14 EXPRESSION_SYSTEM_PLASMID: PQE-30 KEYWDS INTEGRIN, CELL ADHESION EXPDTA X-RAY DIFFRACTION AUTHOR C.C.DEIVANAYAGAM,S.V.NARAYANA REVDAT 6 03-APR-24 1QC5 1 REMARK REVDAT 5 14-FEB-24 1QC5 1 REMARK REVDAT 4 03-NOV-21 1QC5 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1QC5 1 VERSN REVDAT 2 01-APR-03 1QC5 1 JRNL REVDAT 1 17-MAY-00 1QC5 0 JRNL AUTH R.L.RICH,C.C.DEIVANAYAGAM,R.T.OWENS,M.CARSON,A.HOOK,D.MOORE, JRNL AUTH 2 J.SYMERSKY,V.W.YANG,S.V.NARAYANA,M.HOOK JRNL TITL TRENCH-SHAPED BINDING SITES PROMOTE MULTIPLE CLASSES OF JRNL TITL 2 INTERACTIONS BETWEEN COLLAGEN AND THE ADHERENCE RECEPTORS, JRNL TITL 3 ALPHA(1)BETA(1) INTEGRIN AND STAPHYLOCOCCUS AUREUS CNA JRNL TITL 4 MSCRAMM. JRNL REF J.BIOL.CHEM. V. 274 24906 1999 JRNL REFN ISSN 0021-9258 JRNL PMID 10455165 JRNL DOI 10.1074/JBC.274.35.24906 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.4 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 100.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1166602.560 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 24537 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) : 0.206 REMARK 3 FREE R VALUE : 0.243 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 2434 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.13 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3633 REMARK 3 BIN R VALUE (WORKING SET) : 0.2320 REMARK 3 BIN FREE R VALUE : 0.2780 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 388 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.010 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3008 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 229 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.20000 REMARK 3 B22 (A**2) : -0.66000 REMARK 3 B33 (A**2) : 0.47000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 2.31000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.23 REMARK 3 ESD FROM SIGMAA (A) : 0.12 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) : 0.28 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.18 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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 : 0.36 REMARK 3 BSOL : 39.29 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 : PROTEIN_REP.PA REMARK 3 PARAMETER FILE 2 : WATER_REP.PARA REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1QC5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-MAY-99. REMARK 100 THE DEPOSITION ID IS D_1000009096. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-NOV-98 REMARK 200 TEMPERATURE (KELVIN) : 100.00 REMARK 200 PH : 7.50 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 RUH3R 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 RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24698 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 5.700 REMARK 200 R MERGE (I) : 0.06100 REMARK 200 R SYM (I) : 0.06100 REMARK 200 FOR THE DATA SET : 24.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.99 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.3 REMARK 200 DATA REDUNDANCY IN SHELL : 4.50 REMARK 200 R MERGE FOR SHELL (I) : 0.20900 REMARK 200 R SYM FOR SHELL (I) : 0.20900 REMARK 200 FOR SHELL : 8.100 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: THE A DOMAIN OF HUMAN COMPLEMENT FACTOR B REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.17 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MMEPEG2000, HEPES, SODIUM CHLORIDE, REMARK 280 MAGNESIUM CHLORIDE, BETA-MERCAPTOETHANOL, PH 7.50, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 298.00K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 48.17500 REMARK 290 SMTRY3 2 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 SER B 330 REMARK 465 THR B 331 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 OG SER A 44 OD1 ASP A 143 1.97 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 THR A 31 162.44 -49.94 REMARK 500 GLN A 32 136.10 174.03 REMARK 500 GLN A 68 -127.80 -136.14 REMARK 500 MET A 111 69.03 -105.94 REMARK 500 GLN B 368 -121.47 -124.50 REMARK 500 GLU B 422 -57.70 -120.17 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 601 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 42 OG REMARK 620 2 SER A 44 OG 86.4 REMARK 620 3 ASP A 143 OD2 123.5 82.7 REMARK 620 4 ASP A 143 OD1 113.3 38.4 45.3 REMARK 620 5 HOH A 695 O 104.1 161.8 79.1 123.6 REMARK 620 6 HOH A 835 O 150.9 86.8 83.5 76.7 90.6 REMARK 620 7 HOH A 836 O 71.6 102.0 164.7 135.1 95.5 82.2 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 602 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER B 342 OG REMARK 620 2 SER B 344 OG 79.4 REMARK 620 3 ASP B 443 OD1 95.1 89.7 REMARK 620 4 HOH B 700 O 87.9 160.3 76.4 REMARK 620 5 HOH B 837 O 167.3 88.3 87.5 104.7 REMARK 620 6 HOH B 838 O 87.9 97.0 173.1 97.5 91.0 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 602 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1AOX RELATED DB: PDB REMARK 900 I DOMAIN FROM INTEGRIN ALPHA2-BETA1 REMARK 900 RELATED ID: 1IDO RELATED DB: PDB REMARK 900 I DOMAIN FROM INTEGRIN CR3 MG2+ BOUND REMARK 900 RELATED ID: 1JLM RELATED DB: PDB REMARK 900 I DOMAIN FROM INTEGRIN CR3 MN2+ BOUND REMARK 900 RELATED ID: 1LFA RELATED DB: PDB REMARK 900 CD11A I-DOMAIN WITH BOUND MN++ DBREF 1QC5 A 30 221 UNP P56199 ITA1_HUMAN 140 331 DBREF 1QC5 B 330 521 UNP P56199 ITA1_HUMAN 140 331 SEQADV 1QC5 GLU A 60 UNP P56199 LYS 170 ENGINEERED MUTATION SEQADV 1QC5 ILE A 208 UNP P56199 LEU 318 ENGINEERED MUTATION SEQADV 1QC5 GLU B 360 UNP P56199 LYS 170 ENGINEERED MUTATION SEQADV 1QC5 ILE B 416 UNP P56199 THR 226 ENGINEERED MUTATION SEQADV 1QC5 ILE B 508 UNP P56199 LEU 318 ENGINEERED MUTATION SEQRES 1 A 192 SER THR GLN LEU ASP ILE VAL ILE VAL LEU ASP GLY SER SEQRES 2 A 192 ASN SER ILE TYR PRO TRP ASP SER VAL THR ALA PHE LEU SEQRES 3 A 192 ASN ASP LEU LEU GLU ARG MET ASP ILE GLY PRO LYS GLN SEQRES 4 A 192 THR GLN VAL GLY ILE VAL GLN TYR GLY GLU ASN VAL THR SEQRES 5 A 192 HIS GLU PHE ASN LEU ASN LYS TYR SER SER THR GLU GLU SEQRES 6 A 192 VAL LEU VAL ALA ALA LYS LYS ILE VAL GLN ARG GLY GLY SEQRES 7 A 192 ARG GLN THR MET THR ALA LEU GLY THR ASP THR ALA ARG SEQRES 8 A 192 LYS GLU ALA PHE THR GLU ALA ARG GLY ALA ARG ARG GLY SEQRES 9 A 192 VAL LYS LYS VAL MET VAL ILE VAL THR ASP GLY GLU SER SEQRES 10 A 192 HIS ASP ASN HIS ARG LEU LYS LYS VAL ILE GLN ASP CYS SEQRES 11 A 192 GLU ASP GLU ASN ILE GLN ARG PHE SER ILE ALA ILE LEU SEQRES 12 A 192 GLY SER TYR ASN ARG GLY ASN LEU SER THR GLU LYS PHE SEQRES 13 A 192 VAL GLU GLU ILE LYS SER ILE ALA SER GLU PRO THR GLU SEQRES 14 A 192 LYS HIS PHE PHE ASN VAL SER ASP GLU ILE ALA LEU VAL SEQRES 15 A 192 THR ILE VAL LYS THR LEU GLY GLU ARG ILE SEQRES 1 B 192 SER THR GLN LEU ASP ILE VAL ILE VAL LEU ASP GLY SER SEQRES 2 B 192 ASN SER ILE TYR PRO TRP ASP SER VAL THR ALA PHE LEU SEQRES 3 B 192 ASN ASP LEU LEU GLU ARG MET ASP ILE GLY PRO LYS GLN SEQRES 4 B 192 THR GLN VAL GLY ILE VAL GLN TYR GLY GLU ASN VAL THR SEQRES 5 B 192 HIS GLU PHE ASN LEU ASN LYS TYR SER SER THR GLU GLU SEQRES 6 B 192 VAL LEU VAL ALA ALA LYS LYS ILE VAL GLN ARG GLY GLY SEQRES 7 B 192 ARG GLN THR MET THR ALA LEU GLY ILE ASP THR ALA ARG SEQRES 8 B 192 LYS GLU ALA PHE THR GLU ALA ARG GLY ALA ARG ARG GLY SEQRES 9 B 192 VAL LYS LYS VAL MET VAL ILE VAL THR ASP GLY GLU SER SEQRES 10 B 192 HIS ASP ASN HIS ARG LEU LYS LYS VAL ILE GLN ASP CYS SEQRES 11 B 192 GLU ASP GLU ASN ILE GLN ARG PHE SER ILE ALA ILE LEU SEQRES 12 B 192 GLY SER TYR ASN ARG GLY ASN LEU SER THR GLU LYS PHE SEQRES 13 B 192 VAL GLU GLU ILE LYS SER ILE ALA SER GLU PRO THR GLU SEQRES 14 B 192 LYS HIS PHE PHE ASN VAL SER ASP GLU ILE ALA LEU VAL SEQRES 15 B 192 THR ILE VAL LYS THR LEU GLY GLU ARG ILE HET MG A 601 1 HET MG B 602 1 HETNAM MG MAGNESIUM ION FORMUL 3 MG 2(MG 2+) FORMUL 5 HOH *229(H2 O) HELIX 1 1 TRP A 48 GLU A 60 1 13 HELIX 2 2 SER A 91 ILE A 102 1 12 HELIX 3 3 MET A 111 GLU A 122 1 12 HELIX 4 4 THR A 125 GLY A 129 5 5 HELIX 5 5 ASP A 148 HIS A 150 5 3 HELIX 6 6 ARG A 151 GLU A 162 1 12 HELIX 7 7 LEU A 172 GLY A 178 1 7 HELIX 8 8 THR A 182 ALA A 193 1 12 HELIX 9 9 PRO A 196 HIS A 200 1 5 HELIX 10 10 ASP A 206 THR A 212 5 7 HELIX 11 11 ILE A 213 ILE A 221 1 9 HELIX 12 12 TRP B 348 GLU B 360 1 13 HELIX 13 13 SER B 391 ILE B 402 1 12 HELIX 14 14 MET B 411 GLU B 422 1 12 HELIX 15 15 THR B 425 GLY B 429 5 5 HELIX 16 16 ASP B 448 HIS B 450 5 3 HELIX 17 17 ARG B 451 GLU B 462 1 12 HELIX 18 18 LEU B 472 GLY B 478 1 7 HELIX 19 19 THR B 482 ALA B 493 1 12 HELIX 20 20 PRO B 496 HIS B 500 1 5 HELIX 21 21 ASP B 506 THR B 512 5 7 HELIX 22 22 ILE B 513 ILE B 521 1 9 SHEET 1 A 6 VAL A 80 PHE A 84 0 SHEET 2 A 6 THR A 69 TYR A 76 -1 O ILE A 73 N GLU A 83 SHEET 3 A 6 LEU A 33 ASP A 40 1 O LEU A 33 N GLN A 70 SHEET 4 A 6 LYS A 135 THR A 142 1 O LYS A 135 N ASP A 34 SHEET 5 A 6 ILE A 164 ILE A 171 1 O GLN A 165 N MET A 138 SHEET 6 A 6 PHE A 201 VAL A 204 1 O PHE A 202 N ALA A 170 SHEET 1 B 6 VAL B 380 PHE B 384 0 SHEET 2 B 6 THR B 369 TYR B 376 -1 N ILE B 373 O PHE B 384 SHEET 3 B 6 LEU B 333 ASP B 340 1 O LEU B 333 N GLN B 370 SHEET 4 B 6 LYS B 435 THR B 442 1 O LYS B 435 N ASP B 334 SHEET 5 B 6 ILE B 464 ILE B 471 1 O GLN B 465 N MET B 438 SHEET 6 B 6 PHE B 501 VAL B 504 1 O PHE B 502 N ALA B 470 LINK OG SER A 42 MG MG A 601 1555 1555 2.12 LINK OG SER A 44 MG MG A 601 1555 1555 2.17 LINK OD2 ASP A 143 MG MG A 601 1555 1555 2.17 LINK OD1 ASP A 143 MG MG A 601 1555 1555 3.14 LINK MG MG A 601 O HOH A 695 1555 1555 2.17 LINK MG MG A 601 O HOH A 835 1555 1555 2.22 LINK MG MG A 601 O HOH A 836 1555 1555 2.11 LINK OG SER B 342 MG MG B 602 1555 1555 2.17 LINK OG SER B 344 MG MG B 602 1555 1555 2.18 LINK OD1 ASP B 443 MG MG B 602 1555 1555 2.14 LINK MG MG B 602 O HOH B 700 1555 1555 2.22 LINK MG MG B 602 O HOH B 837 1555 1555 2.15 LINK MG MG B 602 O HOH B 838 1555 1555 2.22 CISPEP 1 TYR A 46 PRO A 47 0 -0.48 CISPEP 2 GLU A 195 PRO A 196 0 0.10 CISPEP 3 TYR B 346 PRO B 347 0 -0.23 CISPEP 4 GLU B 495 PRO B 496 0 -0.22 SITE 1 AC1 6 SER A 42 SER A 44 ASP A 143 HOH A 695 SITE 2 AC1 6 HOH A 835 HOH A 836 SITE 1 AC2 6 SER B 342 SER B 344 ASP B 443 HOH B 700 SITE 2 AC2 6 HOH B 837 HOH B 838 CRYST1 37.440 96.350 53.270 90.00 104.28 90.00 P 1 21 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 0.026709 0.000000 0.006798 0.00000 SCALE2 0.000000 0.010379 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019371 0.00000 MTRIX1 1 0.999920 -0.005780 -0.011650 15.76500 1 MTRIX2 1 -0.012100 -0.083960 -0.996403 -47.69600 1 MTRIX3 1 -0.004790 0.996450 -0.084027 52.09100 1