HEADER IMMUNE SYSTEM 06-MAR-00 1EK3 TITLE KAPPA-4 IMMUNOGLOBULIN VL, REC COMPND MOL_ID: 1; COMPND 2 MOLECULE: KAPPA-4 IMMUNOGLOBULIN LIGHT CHAIN VL; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: KAPPA-4 IMMUNOGLOBULIN LIGHT CHAIN VL, REC; 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 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PASK40 KEYWDS HUMAN IMMUNOGLOBULIN LIGHT CHAIN VL, AMYLOID PROTEIN, FLIPPED-DIMER, KEYWDS 2 IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR P.R.POKKULURI,D.-B.HUANG,R.RAFFEN,F.J.STEVENS,M.SCHIFFER REVDAT 4 09-AUG-23 1EK3 1 REMARK LINK REVDAT 3 04-APR-18 1EK3 1 REMARK REVDAT 2 24-FEB-09 1EK3 1 VERSN REVDAT 1 06-MAR-01 1EK3 0 JRNL AUTH P.R.POKKULURI,D.-B.HUANG,R.RAFFEN,F.J.STEVENS,M.SCHIFFER JRNL TITL THE STRUCTURE OF AMYLOIDOGENIC KAPPA-4 IMMUNOGLOBULIN VL, JRNL TITL 2 REC JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH P.WILKINS STEVENS,R.RAFFEN,D.K.HANSON,Y.-L.DENG, REMARK 1 AUTH 2 M.BERRIOS-HAMMOND,F.A.WESTHOLM,C.MURPHY,M.EULITZ,R.WETZEL, REMARK 1 AUTH 3 A.SOLOMON,M.SCHIFFER,F.J.STEVENS REMARK 1 TITL RECOMBINANT IMMUNOGLOBULIN VARIABLE DOMAINS GENERATED FROM REMARK 1 TITL 2 SYNTHETIC GENES PROVIDE A SYSTEM FOR IN VITRO REMARK 1 TITL 3 CHARACTERIZATION OF LIGHT-CHAIN AMYLOID PROTEINS REMARK 1 REF PROTEIN SCI. V. 4 421 1995 REMARK 1 REFN ISSN 0961-8368 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.9 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 7.99 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 935918.780 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 92.6 REMARK 3 NUMBER OF REFLECTIONS : 16739 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) : 0.187 REMARK 3 FREE R VALUE : 0.237 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1678 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 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) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 75.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2017 REMARK 3 BIN R VALUE (WORKING SET) : 0.2010 REMARK 3 BIN FREE R VALUE : 0.2470 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.40 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 210 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.017 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1736 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 3 REMARK 3 SOLVENT ATOMS : 279 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 6.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.43000 REMARK 3 B22 (A**2) : 0.22000 REMARK 3 B33 (A**2) : 0.21000 REMARK 3 B12 (A**2) : 0.00000 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) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.10 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) : 0.26 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.14 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.850 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) : 1.060 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.520 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.810 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.590 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.52 REMARK 3 BSOL : 62.35 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.TOP REMARK 3 PARAMETER FILE OP : 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : 2 REMARK 3 TOPOLOGY FILE OP : ION.TOP REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE STRUCTURE WAS REFINED WITH REMARK 3 X-PLOR 3.1; ONLY THE LAST TWO CYCLES OF REMARK 3 REFINEMENT WERE DONE WITH CNS REMARK 4 REMARK 4 1EK3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-MAR-00. REMARK 100 THE DEPOSITION ID IS D_1000010661. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-AUG-96 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 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 RU200 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 IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17825 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.9 REMARK 200 DATA REDUNDANCY : 11.50 REMARK 200 R MERGE (I) : 0.03200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 53.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.94 REMARK 200 COMPLETENESS FOR SHELL (%) : 82.2 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.09100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 17.80 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: LEN_Q38E (PDB 3LVE) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.28 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10% PEG8000, 0.05M CALCIUM ACETATE, REMARK 280 0.1M TRIS, PH 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 18.29000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 45.75000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.45500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 45.75000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 18.29000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 33.45500 REMARK 290 SMTRY3 4 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A HOMO DIMER REMARK 300 FORMED BY CHAINS A AND B 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: 1840 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10810 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -38.0 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 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 ASP A 1 CG OD1 OD2 REMARK 470 SER A 27E OG REMARK 470 ASP B 301 CG OD1 OD2 REMARK 470 ASP B 360 CG OD1 OD2 REMARK 470 ARG B 408 CG CD NE CZ NH1 NH2 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 ALA A 51 -37.91 67.36 REMARK 500 ALA A 84 -173.56 -173.77 REMARK 500 SER B 327E -125.60 51.69 REMARK 500 ALA B 351 -40.57 67.86 REMARK 500 ALA B 384 -172.75 -179.98 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 498 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 14 OG REMARK 620 2 GLU A 17 OE1 77.5 REMARK 620 3 GLU A 17 OE2 93.2 49.4 REMARK 620 4 HOH A 503 O 91.8 127.3 80.6 REMARK 620 5 HOH A 527 O 159.8 86.6 66.8 87.9 REMARK 620 6 ASP B 309 OD1 120.7 101.4 131.2 127.2 74.4 REMARK 620 7 ASP B 309 OD2 72.9 69.0 118.4 155.6 113.1 53.2 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 499 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 27E O REMARK 620 2 ASP A 29 OD1 87.2 REMARK 620 3 ASP A 60 OD1 104.0 125.4 REMARK 620 4 ASP A 60 OD2 92.3 77.2 49.6 REMARK 620 5 HOH A 522 O 82.8 165.9 67.0 113.0 REMARK 620 6 HOH A 693 O 77.7 98.7 135.8 169.4 69.5 REMARK 620 7 HOH A 758 O 166.2 106.5 69.6 92.4 83.4 98.1 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 CL A 497 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 498 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 499 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1LVE RELATED DB: PDB REMARK 900 KAPPA-4 IMMUNOGLOBULIN VL, LEN, IN ORTHORHOMBIC CRYSTAL FORM REMARK 900 RELATED ID: 2LVE RELATED DB: PDB REMARK 900 KAPPA-4 IMMUNOGLOBULIN VL, LEN, IN HEXAGONAL CRYSTAL FORM REMARK 900 RELATED ID: 3LVE RELATED DB: PDB REMARK 900 Q38E MUTANT OF LEN DBREF 1EK3 A 1 108 UNP P01625 KV4A_HUMAN 1 114 DBREF 1EK3 B 301 408 UNP P01625 KV4A_HUMAN 1 114 SEQADV 1EK3 PRO A 15 UNP P01625 LEU 15 SEE REMARK 999 SEQADV 1EK3 ASN A 27A UNP P01625 SER 28 SEE REMARK 999 SEQADV 1EK3 LEU A 27B UNP P01625 VAL 29 SEE REMARK 999 SEQADV 1EK3 ASP A 27D UNP P01625 TYR 31 SEE REMARK 999 SEQADV 1EK3 PHE A 28 UNP P01625 ASN 34 SEE REMARK 999 SEQADV 1EK3 ASP A 29 UNP P01625 SER 35 SEE REMARK 999 SEQADV 1EK3 THR A 30 UNP P01625 LYS 36 SEE REMARK 999 SEQADV 1EK3 THR A 32 UNP P01625 TYR 38 SEE REMARK 999 SEQADV 1EK3 SER A 53 UNP P01625 THR 59 SEE REMARK 999 SEQADV 1EK3 PRO A 96 UNP P01625 TYR 102 SEE REMARK 999 SEQADV 1EK3 THR A 97 UNP P01625 SER 103 SEE REMARK 999 SEQADV 1EK3 GLY A 100 UNP P01625 GLN 106 SEE REMARK 999 SEQADV 1EK3 VAL A 104 UNP P01625 LEU 110 SEE REMARK 999 SEQADV 1EK3 PRO B 315 UNP P01625 LEU 15 SEE REMARK 999 SEQADV 1EK3 ASN B 327A UNP P01625 SER 28 SEE REMARK 999 SEQADV 1EK3 LEU B 327B UNP P01625 VAL 29 SEE REMARK 999 SEQADV 1EK3 ASP B 327D UNP P01625 TYR 31 SEE REMARK 999 SEQADV 1EK3 PHE B 328 UNP P01625 ASN 34 SEE REMARK 999 SEQADV 1EK3 ASP B 329 UNP P01625 SER 35 SEE REMARK 999 SEQADV 1EK3 THR B 330 UNP P01625 LYS 36 SEE REMARK 999 SEQADV 1EK3 THR B 332 UNP P01625 TYR 38 SEE REMARK 999 SEQADV 1EK3 SER B 353 UNP P01625 THR 59 SEE REMARK 999 SEQADV 1EK3 PRO B 396 UNP P01625 TYR 102 SEE REMARK 999 SEQADV 1EK3 THR B 397 UNP P01625 SER 103 SEE REMARK 999 SEQADV 1EK3 GLY B 400 UNP P01625 GLN 106 SEE REMARK 999 SEQADV 1EK3 VAL B 404 UNP P01625 LEU 110 SEE REMARK 999 SEQRES 1 A 114 ASP ILE VAL MET THR GLN SER PRO ASP SER LEU ALA VAL SEQRES 2 A 114 SER PRO GLY GLU ARG ALA THR ILE ASN CYS LYS SER SER SEQRES 3 A 114 GLN ASN LEU LEU ASP SER SER PHE ASP THR ASN THR LEU SEQRES 4 A 114 ALA TRP TYR GLN GLN LYS PRO GLY GLN PRO PRO LYS LEU SEQRES 5 A 114 LEU ILE TYR TRP ALA SER SER ARG GLU SER GLY VAL PRO SEQRES 6 A 114 ASP ARG PHE SER GLY SER GLY SER GLY THR ASP PHE THR SEQRES 7 A 114 LEU THR ILE SER SER LEU GLN ALA GLU ASP VAL ALA VAL SEQRES 8 A 114 TYR TYR CYS GLN GLN TYR TYR SER THR PRO PRO THR PHE SEQRES 9 A 114 GLY GLY GLY THR LYS VAL GLU ILE LYS ARG SEQRES 1 B 114 ASP ILE VAL MET THR GLN SER PRO ASP SER LEU ALA VAL SEQRES 2 B 114 SER PRO GLY GLU ARG ALA THR ILE ASN CYS LYS SER SER SEQRES 3 B 114 GLN ASN LEU LEU ASP SER SER PHE ASP THR ASN THR LEU SEQRES 4 B 114 ALA TRP TYR GLN GLN LYS PRO GLY GLN PRO PRO LYS LEU SEQRES 5 B 114 LEU ILE TYR TRP ALA SER SER ARG GLU SER GLY VAL PRO SEQRES 6 B 114 ASP ARG PHE SER GLY SER GLY SER GLY THR ASP PHE THR SEQRES 7 B 114 LEU THR ILE SER SER LEU GLN ALA GLU ASP VAL ALA VAL SEQRES 8 B 114 TYR TYR CYS GLN GLN TYR TYR SER THR PRO PRO THR PHE SEQRES 9 B 114 GLY GLY GLY THR LYS VAL GLU ILE LYS ARG HET CL A 497 1 HET CA A 498 1 HET CA A 499 1 HETNAM CL CHLORIDE ION HETNAM CA CALCIUM ION FORMUL 3 CL CL 1- FORMUL 4 CA 2(CA 2+) FORMUL 6 HOH *279(H2 O) HELIX 1 1 GLN A 79 VAL A 83 5 5 HELIX 2 2 GLN B 379 VAL B 383 5 5 SHEET 1 A 4 MET A 4 SER A 7 0 SHEET 2 A 4 ALA A 19 SER A 25 -1 N ASN A 22 O SER A 7 SHEET 3 A 4 ASP A 70 ILE A 75 -1 N PHE A 71 O CYS A 23 SHEET 4 A 4 PHE A 62 SER A 67 -1 O SER A 63 N THR A 74 SHEET 1 B 5 SER A 53 ARG A 54 0 SHEET 2 B 5 LYS A 45 TYR A 49 -1 N TYR A 49 O SER A 53 SHEET 3 B 5 LEU A 33 GLN A 38 -1 O TRP A 35 N LEU A 47 SHEET 4 B 5 ALA A 84 GLN A 90 -1 O VAL A 85 N GLN A 38 SHEET 5 B 5 THR A 97 PHE A 98 -1 O THR A 97 N GLN A 90 SHEET 1 C 6 SER A 53 ARG A 54 0 SHEET 2 C 6 LYS A 45 TYR A 49 -1 N TYR A 49 O SER A 53 SHEET 3 C 6 LEU A 33 GLN A 38 -1 O TRP A 35 N LEU A 47 SHEET 4 C 6 ALA A 84 GLN A 90 -1 O VAL A 85 N GLN A 38 SHEET 5 C 6 THR A 102 ILE A 106 -1 O THR A 102 N TYR A 86 SHEET 6 C 6 SER A 10 VAL A 13 1 N LEU A 11 O LYS A 103 SHEET 1 D 2 LEU A 27C ASP A 27D 0 SHEET 2 D 2 THR A 30 ASN A 31 -1 O THR A 30 N ASP A 27D SHEET 1 E 4 MET B 304 SER B 307 0 SHEET 2 E 4 ALA B 319 SER B 325 -1 N ASN B 322 O SER B 307 SHEET 3 E 4 ASP B 370 ILE B 375 -1 N PHE B 371 O CYS B 323 SHEET 4 E 4 PHE B 362 SER B 367 -1 O SER B 363 N THR B 374 SHEET 1 F 5 SER B 353 ARG B 354 0 SHEET 2 F 5 LYS B 345 TYR B 349 -1 N TYR B 349 O SER B 353 SHEET 3 F 5 LEU B 333 GLN B 338 -1 O TRP B 335 N LEU B 347 SHEET 4 F 5 ALA B 384 GLN B 390 -1 O VAL B 385 N GLN B 338 SHEET 5 F 5 THR B 397 PHE B 398 -1 O THR B 397 N GLN B 390 SHEET 1 G 6 SER B 353 ARG B 354 0 SHEET 2 G 6 LYS B 345 TYR B 349 -1 N TYR B 349 O SER B 353 SHEET 3 G 6 LEU B 333 GLN B 338 -1 O TRP B 335 N LEU B 347 SHEET 4 G 6 ALA B 384 GLN B 390 -1 O VAL B 385 N GLN B 338 SHEET 5 G 6 THR B 402 ILE B 406 -1 O THR B 402 N TYR B 386 SHEET 6 G 6 SER B 310 VAL B 313 1 N LEU B 311 O LYS B 403 SSBOND 1 CYS A 23 CYS A 88 1555 1555 2.04 SSBOND 2 CYS B 323 CYS B 388 1555 1555 2.03 LINK OG SER A 14 CA CA A 498 1555 1555 2.49 LINK OE1 GLU A 17 CA CA A 498 1555 1555 2.52 LINK OE2 GLU A 17 CA CA A 498 1555 1555 2.71 LINK O SER A 27E CA CA A 499 1555 1555 2.40 LINK OD1 ASP A 29 CA CA A 499 1555 1555 2.22 LINK OD1 ASP A 60 CA CA A 499 4466 1555 2.76 LINK OD2 ASP A 60 CA CA A 499 4466 1555 2.41 LINK CA CA A 498 O HOH A 503 1555 1555 2.38 LINK CA CA A 498 O HOH A 527 1555 1555 2.38 LINK CA CA A 498 OD1 ASP B 309 1555 2564 2.48 LINK CA CA A 498 OD2 ASP B 309 1555 2564 2.42 LINK CA CA A 499 O HOH A 522 1555 1555 2.61 LINK CA CA A 499 O HOH A 693 1555 1555 2.34 LINK CA CA A 499 O HOH A 758 1555 4466 2.32 CISPEP 1 SER A 7 PRO A 8 0 -0.23 CISPEP 2 THR A 94 PRO A 95 0 -0.07 CISPEP 3 SER B 307 PRO B 308 0 -0.23 CISPEP 4 THR B 394 PRO B 395 0 -0.05 SITE 1 AC1 4 LEU A 46 HOH A 770 LEU B 346 HOH B 671 SITE 1 AC2 5 SER A 14 GLU A 17 HOH A 503 HOH A 527 SITE 2 AC2 5 ASP B 309 SITE 1 AC3 6 SER A 27E ASP A 29 ASP A 60 HOH A 522 SITE 2 AC3 6 HOH A 693 HOH A 758 CRYST1 36.580 66.910 91.500 90.00 90.00 90.00 P 21 21 21 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 0.027337 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014945 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010929 0.00000