HEADER ANTIBIOTIC 26-JUL-04 1U53 TITLE NOVEL X-RAY STRUCTURE OF NA-ASP-2, A PR-1 PROTEIN FROM THE NEMATODE TITLE 2 PARASITE NECATOR AMERICANUS AND A VACCINE ANTIGEN FOR HUMAN HOOKWORM TITLE 3 INFECTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: SECRETED PROTEIN ASP-2; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NECATOR AMERICANUS; SOURCE 3 ORGANISM_TAXID: 51031; SOURCE 4 EXPRESSION_SYSTEM: PICHIA PASTORIS; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 4922 KEYWDS ANTIBIOTIC EXPDTA X-RAY DIFFRACTION AUTHOR O.A.ASOJO,G.GOUD,K.DHAR,A.LOUKAS,B.ZHAN,V.DEUMIC,S.LIU, AUTHOR 2 G.E.O.BORGSTAHL,P.J.HOTEZ REVDAT 3 11-OCT-17 1U53 1 REMARK REVDAT 2 24-FEB-09 1U53 1 VERSN REVDAT 1 01-FEB-05 1U53 0 JRNL AUTH O.A.ASOJO,G.GOUD,K.DHAR,A.LOUKAS,B.ZHAN,V.DEUMIC,S.LIU, JRNL AUTH 2 G.E.BORGSTAHL,P.J.HOTEZ JRNL TITL X-RAY STRUCTURE OF NA-ASP-2, A PATHOGENESIS-RELATED-1 JRNL TITL 2 PROTEIN FROM THE NEMATODE PARASITE, NECATOR AMERICANUS, AND JRNL TITL 3 A VACCINE ANTIGEN FOR HUMAN HOOKWORM INFECTION. JRNL REF J.MOL.BIOL. V. 346 801 2005 JRNL REFN ISSN 0022-2836 JRNL PMID 15713464 JRNL DOI 10.1016/J.JMB.2004.12.023 REMARK 2 REMARK 2 RESOLUTION. 1.56 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.1.24 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.56 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 81.0 REMARK 3 NUMBER OF REFLECTIONS : 16702 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 + TEST SET) : 0.178 REMARK 3 R VALUE (WORKING SET) : 0.175 REMARK 3 FREE R VALUE : 0.224 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.300 REMARK 3 FREE R VALUE TEST SET COUNT : 938 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.56 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.60 REMARK 3 REFLECTION IN BIN (WORKING SET) : 133 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 9.15 REMARK 3 BIN R VALUE (WORKING SET) : 0.2790 REMARK 3 BIN FREE R VALUE SET COUNT : 11 REMARK 3 BIN FREE R VALUE : 0.3490 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1446 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 201 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.57 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.50000 REMARK 3 B22 (A**2) : -0.36000 REMARK 3 B33 (A**2) : -0.39000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.32000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.121 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.120 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.058 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.550 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.951 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.936 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1475 ; 0.016 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1972 ; 1.678 ; 1.954 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 192 ;11.196 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 64 ;35.664 ;26.094 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 273 ;12.973 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 4 ;23.884 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 198 ; 0.120 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1112 ; 0.009 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 717 ; 0.261 ; 0.300 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1022 ; 0.311 ; 0.500 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 306 ; 0.231 ; 0.500 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 53 ; 0.309 ; 0.300 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 44 ; 0.228 ; 0.500 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 979 ; 1.721 ; 2.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1489 ; 2.332 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 573 ; 2.216 ; 2.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 483 ; 3.225 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL PARAMETERS FOR MASK CACLULATION REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : NULL REMARK 3 ION PROBE RADIUS : NULL REMARK 3 SHRINKAGE RADIUS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1U53 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-AUG-04. REMARK 100 THE DEPOSITION ID IS D_1000023255. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-DEC-03 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : NULL 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 FR-E SUPERBRIGHT REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : R-AXIS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17644 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.560 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 80.9 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 27.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.56 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.62 REMARK 200 COMPLETENESS FOR SHELL (%) : 10.7 REMARK 200 DATA REDUNDANCY IN SHELL : 1.74 REMARK 200 R MERGE FOR SHELL (I) : 0.15400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.500 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.49 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.92 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM IMIDAZOLE, 40% PEG 400, PH 8.5, REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K 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 25.77000 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: MONOMERIC 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 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 ALA A -4 REMARK 465 GLU A -3 REMARK 465 ALA A -2 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 GLU A -1 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 SG CYS A 189 O ALA A 191 1.59 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 368 O HOH A 369 1655 2.11 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 MET A 18 CG - SD - CE ANGL. DEV. = 15.7 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 LYS A 44 52.51 -158.10 REMARK 500 ARG A 75 59.08 -154.42 REMARK 500 PRO A 160 155.93 -40.03 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 GLY A 159 PRO A 160 -47.15 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 GLY A 159 -12.63 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1QNX RELATED DB: PDB REMARK 900 RELATED ID: 1CFE RELATED DB: PDB REMARK 999 REMARK 999 SEQUENCE AUTHOR STATES THAT THIS IS A POLYMORPH, OF ALL THE NA- REMARK 999 ASPS CLONED AND SEQUENCED APPROXIAMTELY 50% HAVE A LEU IN THAT REMARK 999 SITE WHILE THE OTHERS HAVE A MET. DBREF 1U53 A -4 191 UNP Q7Z1H1 Q7Z1H1_NECAM 15 210 SEQADV 1U53 GLU A -3 UNP Q7Z1H1 TYR 16 CLONING ARTIFACT SEQADV 1U53 ALA A -2 UNP Q7Z1H1 SER 17 CLONING ARTIFACT SEQADV 1U53 GLU A -1 UNP Q7Z1H1 LYS 18 CLONING ARTIFACT SEQADV 1U53 PHE A 0 UNP Q7Z1H1 ALA 19 CLONING ARTIFACT SEQADV 1U53 MET A 18 UNP Q7Z1H1 LEU 37 SEE REMARK 999 SEQRES 1 A 196 ALA GLU ALA GLU PHE GLY CYS PRO ASP ASN GLY MET SER SEQRES 2 A 196 GLU GLU ALA ARG GLN LYS PHE LEU GLU MET HIS ASN SER SEQRES 3 A 196 LEU ARG SER SER VAL ALA LEU GLY GLN ALA LYS ASP GLY SEQRES 4 A 196 ALA GLY GLY ASN ALA PRO LYS ALA ALA LYS MET LYS THR SEQRES 5 A 196 MET ALA TYR ASP CYS GLU VAL GLU LYS THR ALA MET ASN SEQRES 6 A 196 ASN ALA LYS GLN CYS VAL PHE LYS HIS SER GLN PRO ASN SEQRES 7 A 196 GLN ARG LYS GLY LEU GLY GLU ASN ILE PHE MET SER SER SEQRES 8 A 196 ASP SER GLY MET ASP LYS ALA LYS ALA ALA GLU GLN ALA SEQRES 9 A 196 SER LYS ALA TRP PHE GLY GLU LEU ALA GLU LYS GLY VAL SEQRES 10 A 196 GLY GLN ASN LEU LYS LEU THR GLY GLY LEU PHE SER ARG SEQRES 11 A 196 GLY VAL GLY HIS TYR THR GLN MET VAL TRP GLN GLU THR SEQRES 12 A 196 VAL LYS LEU GLY CYS TYR VAL GLU ALA CYS SER ASN MET SEQRES 13 A 196 CYS TYR VAL VAL CYS GLN TYR GLY PRO ALA GLY ASN MET SEQRES 14 A 196 MET GLY LYS ASP ILE TYR GLU LYS GLY GLU PRO CYS SER SEQRES 15 A 196 LYS CYS GLU ASN CYS ASP LYS GLU LYS GLY LEU CYS SER SEQRES 16 A 196 ALA FORMUL 2 HOH *201(H2 O) HELIX 1 1 SER A 8 LEU A 28 1 21 HELIX 2 2 ASP A 51 LYS A 63 1 13 HELIX 3 3 GLN A 71 ARG A 75 5 5 HELIX 4 4 ASP A 91 GLY A 105 1 15 HELIX 5 5 GLY A 105 GLY A 111 1 7 HELIX 6 6 THR A 119 SER A 124 1 6 HELIX 7 7 VAL A 127 VAL A 134 1 8 SHEET 1 A 4 ALA A 49 TYR A 50 0 SHEET 2 A 4 LYS A 140 ALA A 147 1 O LEU A 141 N ALA A 49 SHEET 3 A 4 CYS A 152 GLY A 159 -1 O GLN A 157 N GLY A 142 SHEET 4 A 4 GLY A 79 SER A 85 -1 N GLY A 79 O TYR A 158 SHEET 1 B 2 ASN A 181 ASP A 183 0 SHEET 2 B 2 LEU A 188 ALA A 191 -1 O LEU A 188 N ASP A 183 SSBOND 1 CYS A 2 CYS A 52 1555 1555 2.01 SSBOND 2 CYS A 65 CYS A 148 1555 1555 2.07 SSBOND 3 CYS A 143 CYS A 156 1555 1555 2.09 SSBOND 4 CYS A 176 CYS A 182 1555 1555 2.03 SSBOND 5 CYS A 179 CYS A 189 1555 1555 2.05 CRYST1 37.890 51.540 43.630 90.00 114.06 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 0.026392 0.000000 0.011784 0.00000 SCALE2 0.000000 0.019402 0.000000 0.00000 SCALE3 0.000000 0.000000 0.025101 0.00000