HEADER COMPLEX (MHC I/PEPTIDE) 15-MAR-98 1LDP TITLE CRYSTAL STRUCTURE OF MURINE MHC CLASS I H-2LD WITH A MIXTURE OF BOUND TITLE 2 PEPTIDES CAVEAT 1LDP NAG A 1 HAS WRONG CHIRALITY AT ATOM C1 NAG H 273 HAS WRONG CAVEAT 2 1LDP CHIRALITY AT ATOM C1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: MHC CLASS I H-2LD; COMPND 3 CHAIN: H; COMPND 4 FRAGMENT: CHAIN H IS THE HEAVY CHAIN, PEPTIDE BINDING DOMAIN, CHAIN L COMPND 5 IS THE LIGHT CHAIN OR BETA-2-MICROGLOBULIN; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 OTHER_DETAILS: ASPARAGINE LINKED N-ACETYL-GLUCOSAMINE CARBOHYDRATES COMPND 9 AT CHAIN H, N86 AND N176; COMPND 10 MOL_ID: 2; COMPND 11 MOLECULE: MHC CLASS I H-2LD; COMPND 12 CHAIN: L; COMPND 13 FRAGMENT: CHAIN H IS THE HEAVY CHAIN, PEPTIDE BINDING DOMAIN, CHAIN L COMPND 14 IS THE LIGHT CHAIN OR BETA-2-MICROGLOBULIN; COMPND 15 ENGINEERED: YES; COMPND 16 MUTATION: YES; COMPND 17 OTHER_DETAILS: ASPARAGINE LINKED N-ACETYL-GLUCOSAMINE CARBOHYDRATES COMPND 18 AT CHAIN H, N86 AND N176; COMPND 19 MOL_ID: 3; COMPND 20 MOLECULE: PEPTIDE; COMPND 21 CHAIN: P; COMPND 22 FRAGMENT: CHAIN P IS A PEPTIDE, CHAIN Q IS A MODEL OF PEPTIDE QL9 COMPND 23 DERIVED FROM P; COMPND 24 MOL_ID: 4; COMPND 25 MOLECULE: PEPTIDE; COMPND 26 CHAIN: Q; COMPND 27 FRAGMENT: CHAIN P IS A PEPTIDE, CHAIN Q IS A MODEL OF PEPTIDE QL9 COMPND 28 DERIVED FROM P SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 CELL: MOST NUCLEATED CELLS; SOURCE 6 CELLULAR_LOCATION: CYTOPLASM, ER, CELL SURFACE; SOURCE 7 GENE: H-2LD; SOURCE 8 EXPRESSION_SYSTEM: DROSOPHILA MELANOGASTER; SOURCE 9 EXPRESSION_SYSTEM_COMMON: FRUIT FLY; SOURCE 10 EXPRESSION_SYSTEM_TAXID: 7227; SOURCE 11 EXPRESSION_SYSTEM_CELLULAR_LOCATION: SECRETED; SOURCE 12 MOL_ID: 2; SOURCE 13 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 14 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 15 ORGANISM_TAXID: 10090; SOURCE 16 CELL: MOST NUCLEATED CELLS; SOURCE 17 CELLULAR_LOCATION: CYTOPLASM, ER, CELL SURFACE; SOURCE 18 GENE: H-2LD; SOURCE 19 EXPRESSION_SYSTEM: DROSOPHILA MELANOGASTER; SOURCE 20 EXPRESSION_SYSTEM_COMMON: FRUIT FLY; SOURCE 21 EXPRESSION_SYSTEM_TAXID: 7227; SOURCE 22 EXPRESSION_SYSTEM_CELLULAR_LOCATION: SECRETED; SOURCE 23 MOL_ID: 3; SOURCE 24 ORGANISM_SCIENTIFIC: DROSOPHILA MELANOGASTER; SOURCE 25 ORGANISM_COMMON: FRUIT FLY; SOURCE 26 ORGANISM_TAXID: 7227; SOURCE 27 OTHER_DETAILS: CHAIN P PEPTIDE IS THE NATURAL PRODUCT OF THE SOURCE 28 EXPRESSION SYSTEM. IT IS ACTUALLY A MODEL REPRESENTING THE ELECTRON SOURCE 29 DENSITY OF A MIXTURE OF BOUND PEPTIDES AVAILABLE IN THE PROTEIN SOURCE 30 EXPRESSION MEDIA.; SOURCE 31 MOL_ID: 4; SOURCE 32 ORGANISM_SCIENTIFIC: DROSOPHILA MELANOGASTER; SOURCE 33 ORGANISM_COMMON: FRUIT FLY; SOURCE 34 ORGANISM_TAXID: 7227; SOURCE 35 OTHER_DETAILS: CHAIN P PEPTIDE IS THE NATURAL PRODUCT OF THE SOURCE 36 EXPRESSION SYSTEM. IT IS ACTUALLY A MODEL REPRESENTING THE ELECTRON SOURCE 37 DENSITY OF A MIXTURE OF BOUND PEPTIDES AVAILABLE IN THE PROTEIN SOURCE 38 EXPRESSION MEDIA. KEYWDS COMPLEX (MHC I-PEPTIDE), MAJOR HISTOCOMPATIBILITY COMPLEX, KEYWDS 2 IMMUNOLOGY, CELLULAR IMMUNITY, PEPTIDE ANTIGEN, CELL SURFACE KEYWDS 3 RECEPTOR, ANTIGEN RECEPTOR, ANTIGEN PRESENTATION, COMPLEX (MHC I- KEYWDS 4 PEPTIDE) COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR J.A.SPEIR,I.A.WILSON REVDAT 4 09-AUG-23 1LDP 1 HETSYN REVDAT 3 29-JUL-20 1LDP 1 CAVEAT COMPND REMARK HET REVDAT 3 2 1 HETNAM FORMUL LINK SITE REVDAT 3 3 1 ATOM REVDAT 2 24-FEB-09 1LDP 1 VERSN REVDAT 1 17-JUN-98 1LDP 0 JRNL AUTH J.A.SPEIR,K.C.GARCIA,A.BRUNMARK,M.DEGANO,P.A.PETERSON, JRNL AUTH 2 L.TEYTON,I.A.WILSON JRNL TITL STRUCTURAL BASIS OF 2C TCR ALLORECOGNITION OF H-2LD PEPTIDE JRNL TITL 2 COMPLEXES. JRNL REF IMMUNITY V. 8 553 1998 JRNL REFN ISSN 1074-7613 JRNL PMID 9620676 JRNL DOI 10.1016/S1074-7613(00)80560-9 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH K.C.GARCIA,M.DEGANO,L.R.PEASE,M.HUANG,P.A.PETERSON,L.TEYTON, REMARK 1 AUTH 2 I.A.WILSON REMARK 1 TITL STRUCTURAL BASIS OF PLASTICITY IN T CELL RECEPTOR REMARK 1 TITL 2 RECOGNITION OF A SELF PEPTIDE-MHC ANTIGEN REMARK 1 REF SCIENCE V. 279 1166 1998 REMARK 1 REFN ISSN 0036-8075 REMARK 2 REMARK 2 RESOLUTION. 3.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.825 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 100000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.1000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 85.0 REMARK 3 NUMBER OF REFLECTIONS : 7935 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) : 0.221 REMARK 3 FREE R VALUE : 0.371 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.000 REMARK 3 FREE R VALUE TEST SET COUNT : 556 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.016 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 3.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.22 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 72.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 783 REMARK 3 BIN R VALUE (WORKING SET) : 0.2910 REMARK 3 BIN FREE R VALUE : 0.4770 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 59 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.062 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3163 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 42 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -4.19200 REMARK 3 B22 (A**2) : 2.91800 REMARK 3 B33 (A**2) : 1.27400 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -6.20400 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.35 REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : 6.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.60 REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.015 REMARK 3 BOND ANGLES (DEGREES) : 1.800 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.800 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ONE B-VALUE PER RESIDUE 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM3_MOD.CHO REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH3.CHO REMARK 3 TOPOLOGY FILE 3 : TOPH19SYED.PEP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: SOME LIBRARIES WERE MODIFIED IN-HOUSE REMARK 3 TO PROVIDE MISSING CARBOHYDRATE AND PROTEIN SPECIFICATIONS. X- REMARK 3 PLOR 3.1 ALSO WAS USED. REMARK 4 REMARK 4 1LDP 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_1000174671. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : JAN-96 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 3 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : ELLIOTT GX-18 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : DOUBLE-MIRROR FOCUSING CAMERAS REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS, SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11809 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.800 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 81.0 REMARK 200 DATA REDUNDANCY : 2.200 REMARK 200 R MERGE (I) : 0.11300 REMARK 200 R SYM (I) : 0.11300 REMARK 200 FOR THE DATA SET : 5.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 63.6 REMARK 200 DATA REDUNDANCY IN SHELL : 1.40 REMARK 200 R MERGE FOR SHELL (I) : 0.35800 REMARK 200 R SYM FOR SHELL (I) : 0.35800 REMARK 200 FOR SHELL : 1.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 1HOC REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 61.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.18 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 100MM REMARK 280 SODIUM CACODYLATE, 0.2M AMMONIUM SULFATE, 0.5M SODIUM BROMIDE, REMARK 280 30% PEG 8000, PH 6.5. REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -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 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: H, L, P, Q, 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 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CNP REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: THIS NINE AMINO ACID MODEL BEST FITS THE REMARK 800 ELECTRON DENSITY REPRESENTING A MIXTURE OF PEPTIDES BOUND IN THE REMARK 800 H-2LD PEPTIDE-BINDING GROOVE. IT WAS USED THROUGHOUT H-2LD REMARK 800 REFINEMENT. REMARK 800 REMARK 800 SITE_IDENTIFIER: CNQ REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: THIS NINE RESIDUE MODEL OF ANTIGENIC PEPTIDE QL9 REMARK 800 ALSO FITS WELL TO THE ELECTRON DENSITY OF THE H-2LD BOUND REMARK 800 PEPTIDE MIXTURE. THESE COORDINATES HAVE BEEN REFINED IN X-PLOR REMARK 800 TOGETHER WITH THE FINAL MODELS OF THE H AND L CHAINS. DBREF 1LDP H 1 272 UNP P01897 HA1L_MOUSE 25 296 DBREF 1LDP L 1 99 UNP P01887 B2MG_MOUSE 21 119 DBREF 1LDP P 1 9 PDB 1LDP 1LDP 1 9 DBREF 1LDP Q 1 9 PDB 1LDP 1LDP 1 9 SEQRES 1 H 272 GLY PRO HIS SER MET ARG TYR PHE GLU THR ALA VAL SER SEQRES 2 H 272 ARG PRO GLY LEU GLY GLU PRO ARG TYR ILE SER VAL GLY SEQRES 3 H 272 TYR VAL ASP ASN LYS GLU PHE VAL ARG PHE ASP SER ASP SEQRES 4 H 272 ALA GLU ASN PRO ARG TYR GLU PRO GLN ALA PRO TRP MET SEQRES 5 H 272 GLU GLN GLU GLY PRO GLU TYR TRP GLU ARG ILE THR GLN SEQRES 6 H 272 ILE ALA LYS GLY GLN GLU GLN TRP PHE ARG VAL ASN LEU SEQRES 7 H 272 ARG THR LEU LEU GLY TYR TYR ASN GLN SER ALA GLY GLY SEQRES 8 H 272 THR HIS THR LEU GLN TRP MET TYR GLY CYS ASP VAL GLY SEQRES 9 H 272 SER ASP GLY ARG LEU LEU ARG GLY TYR GLU GLN PHE ALA SEQRES 10 H 272 TYR ASP GLY CYS ASP TYR ILE ALA LEU ASN GLU ASP LEU SEQRES 11 H 272 LYS THR TRP THR ALA ALA ASP MET ALA ALA GLN ILE THR SEQRES 12 H 272 ARG ARG LYS TRP GLU GLN ALA GLY ALA ALA GLU TYR TYR SEQRES 13 H 272 ARG ALA TYR LEU GLU GLY GLU CYS VAL GLU TRP LEU HIS SEQRES 14 H 272 ARG TYR LEU LYS ASN GLY ASN ALA THR LEU LEU ARG THR SEQRES 15 H 272 ASP SER PRO LYS ALA HIS VAL THR HIS HIS PRO ARG SER SEQRES 16 H 272 LYS GLY GLU VAL THR LEU ARG CYS TRP ALA LEU GLY PHE SEQRES 17 H 272 TYR PRO ALA ASP ILE THR LEU THR TRP GLN LEU ASN GLY SEQRES 18 H 272 GLU GLU LEU THR GLN ASP MET GLU LEU VAL GLU THR ARG SEQRES 19 H 272 PRO ALA GLY ASP GLY THR PHE GLN LYS TRP ALA SER VAL SEQRES 20 H 272 VAL VAL PRO LEU GLY LYS GLU GLN ASN TYR THR CYS ARG SEQRES 21 H 272 VAL TYR HIS GLU GLY LEU PRO GLU PRO LEU THR LEU SEQRES 1 L 99 ILE GLN LYS THR PRO GLN ILE GLN VAL TYR SER ARG HIS SEQRES 2 L 99 PRO PRO GLU ASN GLY LYS PRO ASN ILE LEU ASN CYS TYR SEQRES 3 L 99 VAL THR GLN PHE HIS PRO PRO HIS ILE GLU ILE GLN MET SEQRES 4 L 99 LEU LYS ASN GLY LYS LYS ILE PRO LYS VAL GLU MET SER SEQRES 5 L 99 ASP MET SER PHE SER LYS ASP TRP SER PHE TYR ILE LEU SEQRES 6 L 99 ALA HIS THR GLU PHE THR PRO THR GLU THR ASP THR TYR SEQRES 7 L 99 ALA CYS ARG VAL LYS HIS ASP SER MET ALA GLU PRO LYS SEQRES 8 L 99 THR VAL TYR TRP ASP ARG ASP MET SEQRES 1 P 9 ALA PRO ALA ALA ALA ALA ALA ALA MET SEQRES 1 Q 9 GLN LEU SER PRO PHE PRO PHE ASP LEU MODRES 1LDP ASN H 86 ASN GLYCOSYLATION SITE MODRES 1LDP ASN H 176 ASN GLYCOSYLATION SITE HET NAG A 1 14 HET NDG A 2 14 HET NAG H 273 14 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM NDG 2-ACETAMIDO-2-DEOXY-ALPHA-D-GLUCOPYRANOSE HETSYN NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA- HETSYN 2 NAG D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO- HETSYN 3 NAG 2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE HETSYN NDG N-ACETYL-ALPHA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY- HETSYN 2 NDG ALPHA-D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2- HETSYN 3 NDG ACETAMIDO-2-DEOXY-GLUCOSE; 2-(ACETYLAMINO)-2-DEOXY-A- HETSYN 4 NDG D-GLUCOPYRANOSE FORMUL 5 NAG 2(C8 H15 N O6) FORMUL 5 NDG C8 H15 N O6 HELIX 1 1 PRO H 57 TYR H 84 1 28 HELIX 2 2 MET H 138 ALA H 150 1 13 HELIX 3 3 ALA H 152 GLU H 161 1 10 HELIX 4 4 GLU H 163 ASN H 174 1 12 HELIX 5 5 ASN H 176 LEU H 179 1 4 HELIX 6 6 GLU H 254 ASN H 256 5 3 SHEET 1 A 6 LYS H 31 ARG H 35 0 SHEET 2 A 6 VAL H 25 VAL H 28 -1 N VAL H 28 O LYS H 31 SHEET 3 A 6 HIS H 3 VAL H 12 -1 N ARG H 6 O TYR H 27 SHEET 4 A 6 THR H 94 VAL H 103 -1 N VAL H 103 O HIS H 3 SHEET 5 A 6 LEU H 109 TYR H 118 -1 N ALA H 117 O GLN H 96 SHEET 6 A 6 ASP H 122 ALA H 125 -1 N ILE H 124 O PHE H 116 SHEET 1 B 2 ILE H 213 GLN H 218 0 SHEET 2 B 2 THR H 258 HIS H 263 -1 N TYR H 262 O THR H 214 SHEET 1 C 2 GLU H 198 PHE H 208 0 SHEET 2 C 2 PHE H 241 PRO H 250 -1 N VAL H 249 O VAL H 199 SHEET 1 D 2 LEU L 23 TYR L 26 0 SHEET 2 D 2 LEU L 65 THR L 68 -1 N THR L 68 O LEU L 23 SHEET 1 E 3 ILE L 35 LYS L 41 0 SHEET 2 E 3 TYR L 78 HIS L 84 -1 N LYS L 83 O GLU L 36 SHEET 3 E 3 LYS L 91 TYR L 94 -1 N VAL L 93 O CYS L 80 SSBOND 1 CYS H 101 CYS H 164 1555 1555 2.00 SSBOND 2 CYS H 203 CYS H 259 1555 1555 2.03 SSBOND 3 CYS L 25 CYS L 80 1555 1555 2.01 LINK ND2 ASN H 86 C1 NAG H 273 1555 1555 1.50 LINK ND2 ASN H 176 C1 NAG A 1 1555 1555 1.45 LINK O4 NAG A 1 C1 NDG A 2 1555 1555 1.44 CISPEP 1 TYR H 209 PRO H 210 0 0.38 CISPEP 2 HIS L 31 PRO L 32 0 -1.91 SITE 1 CNP 1 ALA P 1 SITE 1 CNQ 1 GLN Q 1 CRYST1 72.400 48.980 84.060 90.00 97.95 90.00 P 1 2 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 0.013812 0.000000 0.001929 0.00000 SCALE2 0.000000 0.020416 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012012 0.00000