1LU1 - Header Asymmetric Unit

HEADER LECTIN 24-JUL-98 1LU1

TITLE THE STRUCTURE OF THE DOLICHOS BIFLORUS SEED LECTIN IN TITLE 2 COMPLEX WITH THE FORSSMAN DISACCHARIDE

COMPND MOL_ID: 1; COMPND 2 MOLECULE: LECTIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: DBL; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: DOLICHOS BIFLORUS SEED LECTIN

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: VIGNA UNGUICULATA SUBSP. CYLINDRICA; SOURCE 3 ORGANISM_COMMON: HORSE GRAM; SOURCE 4 ORGANISM_TAXID: 3840; SOURCE 5 STRAIN: SUBSP. CYLINDRICA; SOURCE 6 ORGAN: SEED; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562

KEYWDS LEGUME LECTINS, FORSSMAN DISACCHARIDE, DOLICHOS BIFLORUS KEYWDS 2 SEED LECTIN

EXPDTA X-RAY DIFFRACTION

AUTHOR T.W.HAMELRYCK,R.LORIS,J.BOUCKAERT,G.STRECKER,A.IMBERTY, AUTHOR 2 E.FERNANDEZ,L.WYNS,M.E.ETZLER

REVDAT 4 24-FEB-09 1LU1 1 VERSN REVDAT 3 16-FEB-99 1LU1 3 HET COMPND REMARK HETATM REVDAT 3 2 3 JRNL HEADER LINK REVDAT 2 30-DEC-98 1LU1 3 ATOM HET REMARK HETATM REVDAT 2 2 3 SEQRES DBREF CISPEP SEQADV REVDAT 2 3 3 FORMUL JRNL SCALE TER REVDAT 2 4 3 HETSYN CONECT HETNAM LINK REVDAT 1 09-DEC-98 1LU1 0

JRNL AUTH T.W.HAMELRYCK,R.LORIS,J.BOUCKAERT,M.H.DAO-THI, JRNL AUTH 2 G.STRECKER,A.IMBERTY,E.FERNANDEZ,L.WYNS,M.E.ETZLER JRNL TITL CARBOHYDRATE BINDING, QUATERNARY STRUCTURE AND A JRNL TITL 2 NOVEL HYDROPHOBIC BINDING SITE IN TWO LEGUME JRNL TITL 3 LECTIN OLIGOMERS FROM DOLICHOS BIFLORUS. JRNL REF J.MOL.BIOL. V. 286 1161 1999 JRNL REFN ISSN 0022-2836 JRNL PMID 10047489 JRNL DOI 10.1006/JMBI.1998.2534

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 13174 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) : 0.194 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1350 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 : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.69 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1145 REMARK 3 BIN R VALUE (WORKING SET) : 0.3550 REMARK 3 BIN FREE R VALUE : 0.3820 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 134 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.033 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1881 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 40 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 44.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 46.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.52000 REMARK 3 B22 (A**2) : 0.52000 REMARK 3 B33 (A**2) : -1.03000 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) : 0.32 REMARK 3 ESD FROM SIGMAA (A) : 0.49 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) : 0.39 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.56 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.50 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 28.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.66 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : GROUP 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED

REMARK 4 REMARK 4 1LU1 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : FEB-98 REMARK 200 TEMPERATURE (KELVIN) : 293 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 : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13175 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 7.000 REMARK 200 R MERGE (I) : 0.15000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 15.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.62 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 7.00 REMARK 200 R MERGE FOR SHELL (I) : 0.75000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.270 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1FAT REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM HEPES PH 7.5 0.2 M MGCL2 30% REMARK 280 (W/V) PEG 400

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 3555 -Y,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X,Z+3/4 REMARK 290 5555 -X+1/2,Y,-Z+3/4 REMARK 290 6555 X,-Y+1/2,-Z+1/4 REMARK 290 7555 Y+1/2,X+1/2,-Z+1/2 REMARK 290 8555 -Y,-X,-Z REMARK 290 9555 X+1/2,Y+1/2,Z+1/2 REMARK 290 10555 -X,-Y,Z REMARK 290 11555 -Y+1/2,X,Z+3/4 REMARK 290 12555 Y,-X+1/2,Z+1/4 REMARK 290 13555 -X,Y+1/2,-Z+1/4 REMARK 290 14555 X+1/2,-Y,-Z+3/4 REMARK 290 15555 Y,X,-Z REMARK 290 16555 -Y+1/2,-X+1/2,-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 -1.000000 0.000000 0.000000 39.52500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 39.52500 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 130.05500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 39.52500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 65.02750 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 39.52500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 195.08250 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 39.52500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 195.08250 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 39.52500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 65.02750 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 39.52500 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 39.52500 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 130.05500 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 1.000000 0.000000 0.000000 39.52500 REMARK 290 SMTRY2 9 0.000000 1.000000 0.000000 39.52500 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 130.05500 REMARK 290 SMTRY1 10 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 10 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 11 0.000000 -1.000000 0.000000 39.52500 REMARK 290 SMTRY2 11 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 1.000000 195.08250 REMARK 290 SMTRY1 12 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 12 -1.000000 0.000000 0.000000 39.52500 REMARK 290 SMTRY3 12 0.000000 0.000000 1.000000 65.02750 REMARK 290 SMTRY1 13 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 39.52500 REMARK 290 SMTRY3 13 0.000000 0.000000 -1.000000 65.02750 REMARK 290 SMTRY1 14 1.000000 0.000000 0.000000 39.52500 REMARK 290 SMTRY2 14 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 14 0.000000 0.000000 -1.000000 195.08250 REMARK 290 SMTRY1 15 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 15 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 15 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 16 0.000000 -1.000000 0.000000 39.52500 REMARK 290 SMTRY2 16 -1.000000 0.000000 0.000000 39.52500 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 130.05500 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: TETRAMERIC 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 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 260.11000 REMARK 350 BIOMT1 3 -1.000000 0.000000 0.000000 79.05000 REMARK 350 BIOMT2 3 0.000000 -1.000000 0.000000 79.05000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 0.000000 -1.000000 0.000000 79.05000 REMARK 350 BIOMT2 4 -1.000000 0.000000 0.000000 79.05000 REMARK 350 BIOMT3 4 0.000000 0.000000 -1.000000 260.11000

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 9 CD CE NZ REMARK 470 LYS A 28 CD CE NZ REMARK 470 LYS A 35 CD CE NZ REMARK 470 GLU A 36 CG CD OE1 OE2 REMARK 470 LYS A 59 CG CD CE NZ REMARK 470 LYS A 80 CG CD CE NZ REMARK 470 ARG A 193 NE CZ NH1 NH2 REMARK 470 GLU A 240 CG CD OE1 OE2 REMARK 470 ARG A 250 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 SER A 13 -44.02 -25.13 REMARK 500 SER A 79 -73.37 -29.70 REMARK 500 ALA A 84 143.06 177.08 REMARK 500 SER A 96 137.42 -23.28 REMARK 500 ARG A 99 -146.25 -108.90 REMARK 500 LEU A 105 18.09 52.03 REMARK 500 SER A 130 -33.64 -34.73 REMARK 500 TRP A 132 -2.15 -155.56 REMARK 500 MET A 136 -167.26 -119.30 REMARK 500 PRO A 234 -178.70 -69.46 REMARK 500 THR A 238 106.53 -52.13 REMARK 500 ASN A 251 -50.92 -126.02 REMARK 500 REMARK 500 REMARK: NULL

REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 NGA A 255

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 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 125 OD1 REMARK 620 2 LEU A 127 O 73.6 REMARK 620 3 ASN A 129 OD1 167.2 95.1 REMARK 620 4 ASP A 125 OD2 51.7 104.9 139.4 REMARK 620 5 ASP A 133 OD2 99.0 76.0 83.6 68.0 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN A 302 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 133 OD1 REMARK 620 2 HIS A 138 NE2 84.5 REMARK 620 3 GLU A 123 OE2 155.7 80.5 REMARK 620 4 ASP A 125 OD2 81.2 77.5 77.0 REMARK 620 N 1 2 3

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE A2G A 254 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NGA A 255 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 301 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 302 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ADE A 601

DBREF 1LU1 A 1 253 UNP P05045 LEC1_DOLBI 23 275

SEQADV 1LU1 LEU A 127 UNP P05045 PHE 149 CONFLICT

SEQRES 1 A 253 ALA ASN ILE GLN SER PHE SER PHE LYS ASN PHE ASN SER SEQRES 2 A 253 PRO SER PHE ILE LEU GLN GLY ASP ALA THR VAL SER SER SEQRES 3 A 253 GLY LYS LEU GLN LEU THR LYS VAL LYS GLU ASN GLY ILE SEQRES 4 A 253 PRO THR PRO SER SER LEU GLY ARG ALA PHE TYR SER SER SEQRES 5 A 253 PRO ILE GLN ILE TYR ASP LYS SER THR GLY ALA VAL ALA SEQRES 6 A 253 SER TRP ALA THR SER PHE THR VAL LYS ILE SER ALA PRO SEQRES 7 A 253 SER LYS ALA SER PHE ALA ASP GLY ILE ALA PHE ALA LEU SEQRES 8 A 253 VAL PRO VAL GLY SER GLU PRO ARG ARG ASN GLY GLY TYR SEQRES 9 A 253 LEU GLY VAL PHE ASP SER ASP VAL TYR ASN ASN SER ALA SEQRES 10 A 253 GLN THR VAL ALA VAL GLU PHE ASP THR LEU SER ASN SER SEQRES 11 A 253 GLY TRP ASP PRO SER MET LYS HIS ILE GLY ILE ASP VAL SEQRES 12 A 253 ASN SER ILE LYS SER ILE ALA THR VAL SER TRP ASP LEU SEQRES 13 A 253 ALA ASN GLY GLU ASN ALA GLU ILE LEU ILE THR TYR ASN SEQRES 14 A 253 ALA ALA THR SER LEU LEU VAL ALA SER LEU VAL HIS PRO SEQRES 15 A 253 SER ARG ARG THR SER TYR ILE LEU SER GLU ARG VAL ASP SEQRES 16 A 253 ILE THR ASN GLU LEU PRO GLU TYR VAL SER VAL GLY PHE SEQRES 17 A 253 SER ALA THR THR GLY LEU SER GLU GLY TYR ILE GLU THR SEQRES 18 A 253 HIS ASP VAL LEU SER TRP SER PHE ALA SER LYS LEU PRO SEQRES 19 A 253 ASP ASP SER THR ALA GLU PRO LEU ASP LEU ALA SER TYR SEQRES 20 A 253 LEU VAL ARG ASN VAL LEU

HET A2G A 254 14 HET NGA A 255 14 HET CA A 301 1 HET MN A 302 1 HET ADE A 601 10

HETNAM A2G N-ACETYL-2-DEOXY-2-AMINO-GALACTOSE HETNAM NGA N-ACETYL-D-GALACTOSAMINE HETNAM CA CALCIUM ION HETNAM MN MANGANESE (II) ION HETNAM ADE ADENINE

FORMUL 2 A2G C8 H15 N O6 FORMUL 2 NGA C8 H15 N O6 FORMUL 3 CA CA 2+ FORMUL 4 MN MN 2+ FORMUL 5 ADE C5 H5 N5

HELIX 1 1 SER A 13 SER A 15 5 3 HELIX 2 2 GLY A 102 TYR A 104 5 3 HELIX 3 3 ASN A 115 ALA A 117 5 3 HELIX 4 4 PRO A 182 ARG A 184 5 3 HELIX 5 5 ILE A 196 GLU A 199 1 4 HELIX 6 6 LEU A 244 ASN A 251 1 8

SHEET 1 A 6 ASN A 2 PHE A 8 0 SHEET 2 A 6 ASP A 223 LEU A 233 -1 N LEU A 233 O ASN A 2 SHEET 3 A 6 SER A 66 LYS A 74 -1 N LYS A 74 O ASP A 223 SHEET 4 A 6 ASN A 161 ASN A 169 -1 N TYR A 168 O TRP A 67 SHEET 5 A 6 LEU A 174 HIS A 181 -1 N VAL A 180 O GLU A 163 SHEET 6 A 6 THR A 186 ARG A 193 -1 N GLU A 192 O LEU A 175 SHEET 1 B 7 PHE A 16 GLY A 20 0 SHEET 2 B 7 LEU A 45 TYR A 50 -1 N PHE A 49 O ILE A 17 SHEET 3 B 7 VAL A 204 THR A 212 -1 N ALA A 210 O GLY A 46 SHEET 4 B 7 ASP A 85 PRO A 93 -1 N VAL A 92 O SER A 205 SHEET 5 B 7 VAL A 120 ASP A 125 -1 N PHE A 124 O ILE A 87 SHEET 6 B 7 HIS A 138 VAL A 143 -1 N ASP A 142 O ALA A 121 SHEET 7 B 7 ALA A 150 SER A 153 -1 N VAL A 152 O ILE A 139 SHEET 1 C 2 THR A 23 SER A 25 0 SHEET 2 C 2 LYS A 28 GLN A 30 -1 N GLN A 30 O THR A 23

LINK CA CA A 301 OD1 ASP A 125 1555 1555 2.39 LINK CA CA A 301 O LEU A 127 1555 1555 2.37 LINK CA CA A 301 OD1 ASN A 129 1555 1555 2.10 LINK C1 A2G A 254 O3 NGA A 255 1555 1555 1.44 LINK CA CA A 301 OD2 ASP A 125 1555 1555 2.66 LINK CA CA A 301 OD2 ASP A 133 1555 1555 2.43 LINK MN MN A 302 OD1 ASP A 133 1555 1555 2.43 LINK MN MN A 302 NE2 HIS A 138 1555 1555 2.52 LINK MN MN A 302 OE2 GLU A 123 1555 1555 2.42 LINK MN MN A 302 OD2 ASP A 125 1555 1555 2.44

CISPEP 1 ALA A 84 ASP A 85 0 -0.21

SITE 1 AC1 10 ASP A 85 GLY A 102 GLY A 103 LEU A 127 SITE 2 AC1 10 ASN A 129 GLY A 213 LEU A 214 SER A 215 SITE 3 AC1 10 TYR A 218 NGA A 255 SITE 1 AC2 2 ASP A 109 A2G A 254 SITE 1 AC3 4 ASP A 125 LEU A 127 ASN A 129 ASP A 133 SITE 1 AC4 5 GLU A 123 ASP A 125 ASP A 133 HIS A 138 SITE 2 AC4 5 SER A 148 SITE 1 AC5 5 LEU A 165 ILE A 166 THR A 167 VAL A 176 SITE 2 AC5 5 SER A 178

CRYST1 79.050 79.050 260.110 90.00 90.00 90.00 I 41 2 2 16

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 0.012650 0.000000 0.000000 0.00000

SCALE2 0.000000 0.012650 0.000000 0.00000

SCALE3 0.000000 0.000000 0.003845 0.00000