2D31 - Header Asymmetric Unit

HEADER IMMUNE SYSTEM/CELL CYCLE 23-SEP-05 2D31

TITLE CRYSTAL STRUCTURE OF DISULFIDE-LINKED HLA-G DIMER

COMPND MOL_ID: 1; COMPND 2 MOLECULE: HLA CLASS I HISTOCOMPATIBILITY ANTIGEN, ALPHA COMPND 3 CHAIN G; COMPND 4 CHAIN: A, D; COMPND 5 SYNONYM: HLA G ANTIGEN, HLA HEAVY CHAIN; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: BETA-2-MICROGLOBULIN; COMPND 9 CHAIN: B, E; COMPND 10 ENGINEERED: YES; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: 9-MER PEPTIDE FROM HISTONE H2A; COMPND 13 CHAIN: C, F; COMPND 14 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 BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PGMT7; SOURCE 10 MOL_ID: 2; SOURCE 11 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 12 ORGANISM_COMMON: HUMAN; SOURCE 13 ORGANISM_TAXID: 9606; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 15 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 16 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 17 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 18 EXPRESSION_SYSTEM_PLASMID: PGMT7; SOURCE 19 MOL_ID: 3; SOURCE 20 SYNTHETIC: YES; SOURCE 21 OTHER_DETAILS: THIS SEQUENCE OCCURS NATURALLY IN HUMANS

KEYWDS MHC CLASS I, IMMUNE SYSTEM/CELL CYCLE COMPLEX

EXPDTA X-RAY DIFFRACTION

AUTHOR M.SHIROISHI,K.KUROKI,T.OSE,L.RASUBALA,I.SHIRATORI,H.ARASE, AUTHOR 2 K.TSUMOTO,I.KUMAGAI,D.KOHDA,K.MAENAKA

REVDAT 3 24-FEB-09 2D31 1 VERSN REVDAT 2 25-APR-06 2D31 1 JRNL REVDAT 1 14-MAR-06 2D31 0

JRNL AUTH M.SHIROISHI,K.KUROKI,T.OSE,L.RASUBALA,I.SHIRATORI, JRNL AUTH 2 H.ARASE,K.TSUMOTO,I.KUMAGAI,D.KOHDA,K.MAENAKA JRNL TITL EFFICIENT LEUKOCYTE IG-LIKE RECEPTOR SIGNALING AND JRNL TITL 2 CRYSTAL STRUCTURE OF DISULFIDE-LINKED HLA-G DIMER JRNL REF J.BIOL.CHEM. V. 281 10439 2006 JRNL REFN ISSN 0021-9258 JRNL PMID 16455647 JRNL DOI 10.1074/JBC.M512305200

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 3.20 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 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) : 3.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 83.8 REMARK 3 NUMBER OF REFLECTIONS : 11791 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) : 0.239 REMARK 3 R VALUE (WORKING SET) : 0.235 REMARK 3 FREE R VALUE : 0.298 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.100 REMARK 3 FREE R VALUE TEST SET COUNT : 896 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) : 3.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.28 REMARK 3 REFLECTION IN BIN (WORKING SET) : 844 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 83.82 REMARK 3 BIN R VALUE (WORKING SET) : 0.2720 REMARK 3 BIN FREE R VALUE SET COUNT : 73 REMARK 3 BIN FREE R VALUE : 0.3760 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6124 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 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) : 45.46 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.09000 REMARK 3 B22 (A**2) : -0.62000 REMARK 3 B33 (A**2) : 0.71000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.747 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.526 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 30.757 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.882 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.799 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 6293 ; 0.010 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 8532 ; 1.363 ; 1.935 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 737 ; 6.528 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 342 ;36.906 ;23.304 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 1037 ;22.671 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 59 ;19.242 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 868 ; 0.094 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 4961 ; 0.004 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 3058 ; 0.244 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 4120 ; 0.310 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 221 ; 0.170 ; 0.200 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): 44 ; 0.335 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 6 ; 0.234 ; 0.200 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): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED 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 : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 2D31 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-SEP-05. REMARK 100 THE RCSB ID CODE IS RCSB024925.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 10.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL38B1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12897 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.200 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 83.8 REMARK 200 DATA REDUNDANCY : 4.900 REMARK 200 R MERGE (I) : 0.09000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 6.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.31 REMARK 200 COMPLETENESS FOR SHELL (%) : 77.7 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : 0.32500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1MHE REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CAPS, PEG8000, NACL, PH 10.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 293K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 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 SMTRY1 3 -1.000000 0.000000 0.000000 47.32050 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 63.90350 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 47.32050 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 63.90350 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 DISULFIDE-LINKED PARTNER IS GENERATED BY THE REMARK 300 OPERATION: -X,-Y,Z

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: DODECAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E, F 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 -1.000000 0.000000 0.000000 94.64100 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 127.80700 REMARK 350 BIOMT3 2 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 ASP A 196 REMARK 465 TYR A 197 REMARK 465 GLU A 198 REMARK 465 LEU A 266 REMARK 465 PRO A 267 REMARK 465 LYS A 275 REMARK 465 GLN A 276 REMARK 465 MET B 0 REMARK 465 ASP D 196 REMARK 465 TYR D 197 REMARK 465 GLU D 198 REMARK 465 ALA D 199 REMARK 465 THR D 200 REMARK 465 LEU D 215 REMARK 465 THR D 216 REMARK 465 TRP D 217 REMARK 465 GLN D 218 REMARK 465 ARG D 219 REMARK 465 ASP D 220 REMARK 465 GLY D 221 REMARK 465 LYS D 275 REMARK 465 GLN D 276 REMARK 465 MET E 0

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 LEU A 270 CA - CB - CG ANGL. DEV. = 15.4 DEGREES REMARK 500 LEU C 7 CA - CB - CG ANGL. DEV. = 15.1 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 ARG A 17 -133.64 -66.54 REMARK 500 ASP A 29 -118.99 46.30 REMARK 500 ARG A 44 136.78 -170.38 REMARK 500 ARG A 48 27.06 -144.42 REMARK 500 ASN A 86 77.05 51.66 REMARK 500 GLU A 89 28.44 -75.11 REMARK 500 ARG A 108 150.18 -40.10 REMARK 500 ASP A 119 63.97 35.23 REMARK 500 TYR A 123 -79.30 -145.43 REMARK 500 ASP A 129 3.14 -58.68 REMARK 500 HIS A 188 -173.68 -175.69 REMARK 500 HIS A 191 -89.39 -94.33 REMARK 500 HIS A 192 98.18 63.96 REMARK 500 ARG A 219 -81.91 -54.01 REMARK 500 GLU A 222 -148.28 -122.79 REMARK 500 LEU A 230 72.67 -113.32 REMARK 500 SER A 251 83.43 -59.08 REMARK 500 HIS A 263 124.64 -174.58 REMARK 500 PRO A 269 84.98 -50.02 REMARK 500 PRO B 14 113.38 -37.74 REMARK 500 PRO B 32 -165.56 -69.44 REMARK 500 LYS B 48 88.70 -64.11 REMARK 500 SER B 52 -110.10 -75.54 REMARK 500 SER B 57 -161.63 -110.98 REMARK 500 TRP B 60 34.53 -72.48 REMARK 500 ARG D 17 -85.52 -81.06 REMARK 500 GLU D 19 130.93 -36.95 REMARK 500 ASP D 29 -117.68 56.41 REMARK 500 ARG D 48 -5.79 -141.34 REMARK 500 ASN D 86 87.18 51.29 REMARK 500 TYR D 123 -70.10 -122.31 REMARK 500 ARG D 131 -4.06 -141.30 REMARK 500 HIS D 191 -92.81 -82.70 REMARK 500 HIS D 192 88.41 73.57 REMARK 500 PRO D 210 -152.34 -78.41 REMARK 500 ASP D 227 -32.03 -130.38 REMARK 500 VAL D 228 105.58 -43.54 REMARK 500 PRO D 250 99.20 -38.38 REMARK 500 SER D 251 87.04 -48.11 REMARK 500 GLN D 255 0.16 -67.46 REMARK 500 PRO D 269 107.15 -39.64 REMARK 500 PRO E 14 117.44 -32.60 REMARK 500 HIS E 31 119.01 -176.83 REMARK 500 ASN E 42 19.33 45.91 REMARK 500 LYS E 48 72.87 -52.06 REMARK 500 SER E 52 -66.08 -101.24 REMARK 500 ASP E 53 144.41 167.69 REMARK 500 PRO E 90 108.50 -49.15 REMARK 500 ARG E 97 -18.01 -48.70 REMARK 500 REMARK 500 REMARK: NULL

DBREF 2D31 A 1 276 UNP P17693 HLAG_HUMAN 25 300 DBREF 2D31 B 1 99 UNP P61769 B2MG_HUMAN 21 119 DBREF 2D31 C 1 9 UNP P16104 H2AX_HUMAN 78 86 DBREF 2D31 D 1 276 UNP P17693 HLAG_HUMAN 25 300 DBREF 2D31 E 1 99 UNP P61769 B2MG_HUMAN 21 119 DBREF 2D31 F 1 9 UNP P16104 H2AX_HUMAN 78 86

SEQADV 2D31 MET B 0 UNP P61769 INITIATING METHIONINE SEQADV 2D31 MET E 0 UNP P61769 INITIATING METHIONINE

SEQRES 1 A 276 GLY SER HIS SER MET ARG TYR PHE SER ALA ALA VAL SER SEQRES 2 A 276 ARG PRO GLY ARG GLY GLU PRO ARG PHE ILE ALA MET GLY SEQRES 3 A 276 TYR VAL ASP ASP THR GLN PHE VAL ARG PHE ASP SER ASP SEQRES 4 A 276 SER ALA CYS PRO ARG MET GLU PRO ARG ALA PRO TRP VAL SEQRES 5 A 276 GLU GLN GLU GLY PRO GLU TYR TRP GLU GLU GLU THR ARG SEQRES 6 A 276 ASN THR LYS ALA HIS ALA GLN THR ASP ARG MET ASN LEU SEQRES 7 A 276 GLN THR LEU ARG GLY TYR TYR ASN GLN SER GLU ALA SER SEQRES 8 A 276 SER HIS THR LEU GLN TRP MET ILE GLY CYS ASP LEU GLY SEQRES 9 A 276 SER ASP GLY ARG LEU LEU ARG GLY TYR GLU GLN TYR ALA SEQRES 10 A 276 TYR ASP GLY LYS ASP TYR LEU ALA LEU ASN GLU ASP LEU SEQRES 11 A 276 ARG SER TRP THR ALA ALA ASP THR ALA ALA GLN ILE SER SEQRES 12 A 276 LYS ARG LYS CYS GLU ALA ALA ASN VAL ALA GLU GLN ARG SEQRES 13 A 276 ARG ALA TYR LEU GLU GLY THR CYS VAL GLU TRP LEU HIS SEQRES 14 A 276 ARG TYR LEU GLU ASN GLY LYS GLU MET LEU GLN ARG ALA SEQRES 15 A 276 ASP PRO PRO LYS THR HIS VAL THR HIS HIS PRO VAL PHE SEQRES 16 A 276 ASP TYR GLU ALA THR LEU ARG CYS TRP ALA LEU GLY PHE SEQRES 17 A 276 TYR PRO ALA GLU ILE ILE LEU THR TRP GLN ARG ASP GLY SEQRES 18 A 276 GLU ASP GLN THR GLN ASP VAL GLU LEU VAL GLU THR ARG SEQRES 19 A 276 PRO ALA GLY ASP GLY THR PHE GLN LYS TRP ALA ALA VAL SEQRES 20 A 276 VAL VAL PRO SER GLY GLU GLU GLN ARG TYR THR CYS HIS SEQRES 21 A 276 VAL GLN HIS GLU GLY LEU PRO GLU PRO LEU MET LEU ARG SEQRES 22 A 276 TRP LYS GLN SEQRES 1 B 100 MET ILE GLN ARG THR PRO LYS ILE GLN VAL TYR SER ARG SEQRES 2 B 100 HIS PRO ALA GLU ASN GLY LYS SER ASN PHE LEU ASN CYS SEQRES 3 B 100 TYR VAL SER GLY PHE HIS PRO SER ASP ILE GLU VAL ASP SEQRES 4 B 100 LEU LEU LYS ASN GLY GLU ARG ILE GLU LYS VAL GLU HIS SEQRES 5 B 100 SER ASP LEU SER PHE SER LYS ASP TRP SER PHE TYR LEU SEQRES 6 B 100 LEU TYR TYR THR GLU PHE THR PRO THR GLU LYS ASP GLU SEQRES 7 B 100 TYR ALA CYS ARG VAL ASN HIS VAL THR LEU SER GLN PRO SEQRES 8 B 100 LYS ILE VAL LYS TRP ASP ARG ASP MET SEQRES 1 C 9 ARG ILE ILE PRO ARG HIS LEU GLN LEU SEQRES 1 D 276 GLY SER HIS SER MET ARG TYR PHE SER ALA ALA VAL SER SEQRES 2 D 276 ARG PRO GLY ARG GLY GLU PRO ARG PHE ILE ALA MET GLY SEQRES 3 D 276 TYR VAL ASP ASP THR GLN PHE VAL ARG PHE ASP SER ASP SEQRES 4 D 276 SER ALA CYS PRO ARG MET GLU PRO ARG ALA PRO TRP VAL SEQRES 5 D 276 GLU GLN GLU GLY PRO GLU TYR TRP GLU GLU GLU THR ARG SEQRES 6 D 276 ASN THR LYS ALA HIS ALA GLN THR ASP ARG MET ASN LEU SEQRES 7 D 276 GLN THR LEU ARG GLY TYR TYR ASN GLN SER GLU ALA SER SEQRES 8 D 276 SER HIS THR LEU GLN TRP MET ILE GLY CYS ASP LEU GLY SEQRES 9 D 276 SER ASP GLY ARG LEU LEU ARG GLY TYR GLU GLN TYR ALA SEQRES 10 D 276 TYR ASP GLY LYS ASP TYR LEU ALA LEU ASN GLU ASP LEU SEQRES 11 D 276 ARG SER TRP THR ALA ALA ASP THR ALA ALA GLN ILE SER SEQRES 12 D 276 LYS ARG LYS CYS GLU ALA ALA ASN VAL ALA GLU GLN ARG SEQRES 13 D 276 ARG ALA TYR LEU GLU GLY THR CYS VAL GLU TRP LEU HIS SEQRES 14 D 276 ARG TYR LEU GLU ASN GLY LYS GLU MET LEU GLN ARG ALA SEQRES 15 D 276 ASP PRO PRO LYS THR HIS VAL THR HIS HIS PRO VAL PHE SEQRES 16 D 276 ASP TYR GLU ALA THR LEU ARG CYS TRP ALA LEU GLY PHE SEQRES 17 D 276 TYR PRO ALA GLU ILE ILE LEU THR TRP GLN ARG ASP GLY SEQRES 18 D 276 GLU ASP GLN THR GLN ASP VAL GLU LEU VAL GLU THR ARG SEQRES 19 D 276 PRO ALA GLY ASP GLY THR PHE GLN LYS TRP ALA ALA VAL SEQRES 20 D 276 VAL VAL PRO SER GLY GLU GLU GLN ARG TYR THR CYS HIS SEQRES 21 D 276 VAL GLN HIS GLU GLY LEU PRO GLU PRO LEU MET LEU ARG SEQRES 22 D 276 TRP LYS GLN SEQRES 1 E 100 MET ILE GLN ARG THR PRO LYS ILE GLN VAL TYR SER ARG SEQRES 2 E 100 HIS PRO ALA GLU ASN GLY LYS SER ASN PHE LEU ASN CYS SEQRES 3 E 100 TYR VAL SER GLY PHE HIS PRO SER ASP ILE GLU VAL ASP SEQRES 4 E 100 LEU LEU LYS ASN GLY GLU ARG ILE GLU LYS VAL GLU HIS SEQRES 5 E 100 SER ASP LEU SER PHE SER LYS ASP TRP SER PHE TYR LEU SEQRES 6 E 100 LEU TYR TYR THR GLU PHE THR PRO THR GLU LYS ASP GLU SEQRES 7 E 100 TYR ALA CYS ARG VAL ASN HIS VAL THR LEU SER GLN PRO SEQRES 8 E 100 LYS ILE VAL LYS TRP ASP ARG ASP MET SEQRES 1 F 9 ARG ILE ILE PRO ARG HIS LEU GLN LEU

HELIX 1 1 ALA A 49 GLN A 54 1 6 HELIX 2 2 GLY A 56 TYR A 85 1 30 HELIX 3 3 ASP A 137 ALA A 150 1 14 HELIX 4 4 VAL A 152 GLY A 162 1 11 HELIX 5 5 GLY A 162 GLY A 175 1 14 HELIX 6 6 GLY A 175 GLN A 180 1 6 HELIX 7 7 ALA D 49 GLU D 53 5 5 HELIX 8 8 GLY D 56 TYR D 85 1 30 HELIX 9 9 ASP D 137 ALA D 150 1 14 HELIX 10 10 ASN D 151 GLY D 162 1 12 HELIX 11 11 GLY D 162 GLY D 175 1 14 HELIX 12 12 GLY D 175 GLN D 180 1 6

SHEET 1 A 8 GLU A 46 PRO A 47 0 SHEET 2 A 8 THR A 31 ASP A 37 -1 N ARG A 35 O GLU A 46 SHEET 3 A 8 ARG A 21 VAL A 28 -1 N ALA A 24 O PHE A 36 SHEET 4 A 8 SER A 4 SER A 13 -1 N PHE A 8 O MET A 25 SHEET 5 A 8 HIS A 93 LEU A 103 -1 O LEU A 95 N ALA A 11 SHEET 6 A 8 LEU A 109 TYR A 118 -1 O LEU A 110 N ASP A 102 SHEET 7 A 8 LYS A 121 LEU A 126 -1 O LEU A 126 N GLU A 114 SHEET 8 A 8 TRP A 133 ALA A 135 -1 O THR A 134 N ALA A 125 SHEET 1 B 4 HIS A 188 THR A 190 0 SHEET 2 B 4 THR A 200 PHE A 208 -1 O ARG A 202 N THR A 190 SHEET 3 B 4 PHE A 241 VAL A 248 -1 O ALA A 245 N CYS A 203 SHEET 4 B 4 GLU A 229 LEU A 230 -1 N GLU A 229 O ALA A 246 SHEET 1 C 4 HIS A 188 THR A 190 0 SHEET 2 C 4 THR A 200 PHE A 208 -1 O ARG A 202 N THR A 190 SHEET 3 C 4 PHE A 241 VAL A 248 -1 O ALA A 245 N CYS A 203 SHEET 4 C 4 ARG A 234 PRO A 235 -1 N ARG A 234 O GLN A 242 SHEET 1 D 3 ILE A 214 GLN A 218 0 SHEET 2 D 3 THR A 258 GLN A 262 -1 O HIS A 260 N THR A 216 SHEET 3 D 3 MET A 271 LEU A 272 -1 O LEU A 272 N CYS A 259 SHEET 1 E 4 LYS B 6 SER B 11 0 SHEET 2 E 4 ASN B 21 PHE B 30 -1 O SER B 28 N LYS B 6 SHEET 3 E 4 PHE B 62 PHE B 70 -1 O LEU B 64 N VAL B 27 SHEET 4 E 4 GLU B 50 HIS B 51 -1 N GLU B 50 O TYR B 67 SHEET 1 F 4 LYS B 6 SER B 11 0 SHEET 2 F 4 ASN B 21 PHE B 30 -1 O SER B 28 N LYS B 6 SHEET 3 F 4 PHE B 62 PHE B 70 -1 O LEU B 64 N VAL B 27 SHEET 4 F 4 SER B 55 PHE B 56 -1 N SER B 55 O TYR B 63 SHEET 1 G 4 GLU B 44 ARG B 45 0 SHEET 2 G 4 ILE B 35 LYS B 41 -1 N LYS B 41 O GLU B 44 SHEET 3 G 4 TYR B 78 HIS B 84 -1 O ARG B 81 N ASP B 38 SHEET 4 G 4 LYS B 91 LYS B 94 -1 O VAL B 93 N CYS B 80 SHEET 1 H 8 GLU D 46 PRO D 47 0 SHEET 2 H 8 THR D 31 ASP D 37 -1 N ARG D 35 O GLU D 46 SHEET 3 H 8 GLY D 18 VAL D 28 -1 N GLY D 26 O PHE D 33 SHEET 4 H 8 SER D 4 ARG D 14 -1 N VAL D 12 O ARG D 21 SHEET 5 H 8 THR D 94 LEU D 103 -1 O ILE D 99 N TYR D 7 SHEET 6 H 8 LEU D 109 TYR D 118 -1 O LEU D 110 N ASP D 102 SHEET 7 H 8 LYS D 121 LEU D 126 -1 O LEU D 126 N GLU D 114 SHEET 8 H 8 TRP D 133 ALA D 135 -1 O THR D 134 N ALA D 125 SHEET 1 I 4 LYS D 186 THR D 190 0 SHEET 2 I 4 ARG D 202 PHE D 208 -1 O LEU D 206 N LYS D 186 SHEET 3 I 4 PHE D 241 ALA D 246 -1 O ALA D 245 N CYS D 203 SHEET 4 I 4 GLU D 229 LEU D 230 -1 N GLU D 229 O ALA D 246 SHEET 1 J 4 LYS D 186 THR D 190 0 SHEET 2 J 4 ARG D 202 PHE D 208 -1 O LEU D 206 N LYS D 186 SHEET 3 J 4 PHE D 241 ALA D 246 -1 O ALA D 245 N CYS D 203 SHEET 4 J 4 ARG D 234 PRO D 235 -1 N ARG D 234 O GLN D 242 SHEET 1 K 2 CYS D 259 VAL D 261 0 SHEET 2 K 2 LEU D 270 LEU D 272 -1 O LEU D 272 N CYS D 259 SHEET 1 L 4 VAL E 9 SER E 11 0 SHEET 2 L 4 ASN E 21 PHE E 30 -1 O ASN E 24 N TYR E 10 SHEET 3 L 4 PHE E 62 PHE E 70 -1 O THR E 68 N LEU E 23 SHEET 4 L 4 SER E 55 PHE E 56 -1 N SER E 55 O TYR E 63 SHEET 1 M 3 GLU E 36 LYS E 41 0 SHEET 2 M 3 TYR E 78 ASN E 83 -1 O ALA E 79 N LEU E 40 SHEET 3 M 3 LYS E 91 LYS E 94 -1 O VAL E 93 N CYS E 80

SSBOND 1 CYS A 101 CYS A 164 1555 1555 2.03 SSBOND 2 CYS A 203 CYS A 259 1555 1555 2.04 SSBOND 3 CYS B 25 CYS B 80 1555 1555 2.04 SSBOND 4 CYS D 101 CYS D 164 1555 1555 2.00 SSBOND 5 CYS D 203 CYS D 259 1555 1555 2.05 SSBOND 6 CYS E 25 CYS E 80 1555 1555 2.03

CISPEP 1 TYR A 209 PRO A 210 0 0.29 CISPEP 2 HIS B 31 PRO B 32 0 4.82 CISPEP 3 TYR D 209 PRO D 210 0 -3.25 CISPEP 4 HIS E 31 PRO E 32 0 5.40

CRYST1 94.641 127.807 72.580 90.00 90.00 90.00 P 21 21 2 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 0.010566 0.000000 0.000000 0.00000

SCALE2 0.000000 0.007824 0.000000 0.00000

SCALE3 0.000000 0.000000 0.013778 0.00000