HEADER SIGNALING PROTEIN 22-FEB-23 8IH4 TITLE CRYSTAL STRUCTURE OF INTRACELLULAR B30.2 DOMAIN OF BTN2A2 MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: BUTYROPHILIN SUBFAMILY 2 MEMBER A2; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: BTN2A2, BT2.2, BTF2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS BUTYROPHILIN, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR Y.Y.YANG,S.M.YI,M.T.ZHANG,C.C.CHEN,R.T.GUO,Y.H.ZHANG REVDAT 4 18-OCT-23 8IH4 1 JRNL REVDAT 3 11-OCT-23 8IH4 1 JRNL REVDAT 2 20-SEP-23 8IH4 1 JRNL REVDAT 1 13-SEP-23 8IH4 0 JRNL AUTH L.YUAN,X.MA,Y.YANG,Y.QU,X.LI,X.ZHU,W.MA,J.DUAN,J.XUE,H.YANG, JRNL AUTH 2 J.W.HUANG,S.YI,M.ZHANG,N.CAI,L.ZHANG,Q.DING,K.LAI,C.LIU, JRNL AUTH 3 L.ZHANG,X.LIU,Y.YAO,S.ZHOU,X.LI,P.SHEN,Q.CHANG,S.R.MALWAL, JRNL AUTH 4 Y.HE,W.LI,C.CHEN,C.C.CHEN,E.OLDFIELD,R.T.GUO,Y.ZHANG JRNL TITL PHOSPHOANTIGENS GLUE BUTYROPHILIN 3A1 AND 2A1 TO ACTIVATE V JRNL TITL 2 GAMMA 9V DELTA 2 T CELLS. JRNL REF NATURE V. 621 840 2023 JRNL REFN ESSN 1476-4687 JRNL PMID 37674084 JRNL DOI 10.1038/S41586-023-06525-3 REMARK 2 REMARK 2 RESOLUTION. 2.12 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0238 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.12 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.94 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 23654 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) : 0.207 REMARK 3 R VALUE (WORKING SET) : 0.204 REMARK 3 FREE R VALUE : 0.260 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1227 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) : 2.12 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.18 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1697 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.83 REMARK 3 BIN R VALUE (WORKING SET) : 0.2860 REMARK 3 BIN FREE R VALUE SET COUNT : 99 REMARK 3 BIN FREE R VALUE : 0.3030 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3158 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 134 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 36.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.43000 REMARK 3 B22 (A**2) : -0.74000 REMARK 3 B33 (A**2) : -1.69000 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): 0.251 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.211 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.171 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.930 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.953 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.916 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3297 ; 0.008 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 2995 ; 0.001 ; 0.017 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 4485 ; 1.545 ; 1.653 REMARK 3 BOND ANGLES OTHERS (DEGREES): 6917 ; 1.220 ; 1.573 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 400 ; 8.198 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 208 ;27.141 ;19.423 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 523 ;15.817 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 41 ;17.586 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 398 ; 0.064 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3764 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 807 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL 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 : 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: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 8IH4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 01-MAR-23. REMARK 100 THE DEPOSITION ID IS D_1300035679. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-APR-21 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : LIQUID ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : BRUKER METALJET REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.34 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : BRUKER PHOTON III REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SAINT REMARK 200 DATA SCALING SOFTWARE : SADABS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24957 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.120 REMARK 200 RESOLUTION RANGE LOW (A) : 29.940 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 9.620 REMARK 200 R MERGE (I) : 0.10570 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.12 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.15 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.48760 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 5ZXK REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M SODIUM CITRATE TRIBASIC REMARK 280 DIHYDRATE, 20% W/V POLYETHYLENE GLYCOL 3350, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 289K 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 27.83650 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 63.80600 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.92150 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 63.80600 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.83650 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 29.92150 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 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: 3920 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17760 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -14.0 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 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 GLY A 309 REMARK 465 ALA A 310 REMARK 465 GLY A 311 REMARK 465 ALA A 312 REMARK 465 GLY A 313 REMARK 465 ALA A 314 REMARK 465 GLU A 315 REMARK 465 GLU A 316 REMARK 465 LEU A 317 REMARK 465 ARG A 318 REMARK 465 TRP A 319 REMARK 465 ARG A 320 REMARK 465 VAL A 517 REMARK 465 GLY A 518 REMARK 465 THR A 519 REMARK 465 HIS A 520 REMARK 465 GLN A 521 REMARK 465 SER A 522 REMARK 465 LEU A 523 REMARK 465 GLY B 309 REMARK 465 ALA B 310 REMARK 465 GLY B 311 REMARK 465 ALA B 312 REMARK 465 GLY B 313 REMARK 465 ALA B 314 REMARK 465 GLU B 315 REMARK 465 GLU B 316 REMARK 465 LEU B 317 REMARK 465 ARG B 318 REMARK 465 TRP B 319 REMARK 465 ARG B 320 REMARK 465 VAL B 517 REMARK 465 GLY B 518 REMARK 465 THR B 519 REMARK 465 HIS B 520 REMARK 465 GLN B 521 REMARK 465 SER B 522 REMARK 465 LEU B 523 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 ARG B 405 CB - CA - C ANGL. DEV. = -12.1 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 THR A 477 -49.28 76.54 REMARK 500 THR A 477 -45.54 72.11 REMARK 500 LEU A 514 58.49 25.21 REMARK 500 HIS B 337 139.40 -35.98 REMARK 500 SER B 343 171.18 -58.36 REMARK 500 TYR B 354 -160.52 -169.64 REMARK 500 THR B 477 -51.86 79.72 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 ASP B 489 ASP B 490 -147.25 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 682 DISTANCE = 6.77 ANGSTROMS REMARK 525 HOH A 683 DISTANCE = 7.29 ANGSTROMS DBREF 8IH4 A 315 523 UNP Q8WVV5 BT2A2_HUMAN 315 523 DBREF 8IH4 B 315 523 UNP Q8WVV5 BT2A2_HUMAN 315 523 SEQADV 8IH4 GLY A 309 UNP Q8WVV5 EXPRESSION TAG SEQADV 8IH4 ALA A 310 UNP Q8WVV5 EXPRESSION TAG SEQADV 8IH4 GLY A 311 UNP Q8WVV5 EXPRESSION TAG SEQADV 8IH4 ALA A 312 UNP Q8WVV5 EXPRESSION TAG SEQADV 8IH4 GLY A 313 UNP Q8WVV5 EXPRESSION TAG SEQADV 8IH4 ALA A 314 UNP Q8WVV5 EXPRESSION TAG SEQADV 8IH4 ARG A 374 UNP Q8WVV5 TRP 374 ENGINEERED MUTATION SEQADV 8IH4 THR A 506 UNP Q8WVV5 MET 506 ENGINEERED MUTATION SEQADV 8IH4 GLY B 309 UNP Q8WVV5 EXPRESSION TAG SEQADV 8IH4 ALA B 310 UNP Q8WVV5 EXPRESSION TAG SEQADV 8IH4 GLY B 311 UNP Q8WVV5 EXPRESSION TAG SEQADV 8IH4 ALA B 312 UNP Q8WVV5 EXPRESSION TAG SEQADV 8IH4 GLY B 313 UNP Q8WVV5 EXPRESSION TAG SEQADV 8IH4 ALA B 314 UNP Q8WVV5 EXPRESSION TAG SEQADV 8IH4 ARG B 374 UNP Q8WVV5 TRP 374 ENGINEERED MUTATION SEQADV 8IH4 THR B 506 UNP Q8WVV5 MET 506 ENGINEERED MUTATION SEQRES 1 A 215 GLY ALA GLY ALA GLY ALA GLU GLU LEU ARG TRP ARG ARG SEQRES 2 A 215 THR PHE LEU HIS ALA ALA ASP VAL VAL LEU ASP PRO ASP SEQRES 3 A 215 THR ALA HIS PRO GLU LEU PHE LEU SER GLU ASP ARG ARG SEQRES 4 A 215 SER VAL ARG ARG GLY PRO TYR ARG GLN ARG VAL PRO ASP SEQRES 5 A 215 ASN PRO GLU ARG PHE ASP SER GLN PRO CYS VAL LEU GLY SEQRES 6 A 215 ARG GLU SER PHE ALA SER GLY LYS HIS TYR TRP GLU VAL SEQRES 7 A 215 GLU VAL GLU ASN VAL MET VAL TRP THR VAL GLY VAL CYS SEQRES 8 A 215 ARG HIS SER VAL GLU ARG LYS GLY GLU VAL LEU LEU ILE SEQRES 9 A 215 PRO GLN ASN GLY PHE TRP THR LEU GLU MET PHE GLY ASN SEQRES 10 A 215 GLN TYR ARG ALA LEU SER SER PRO GLU ARG ILE LEU PRO SEQRES 11 A 215 LEU LYS GLU SER LEU CYS ARG VAL GLY VAL PHE LEU ASP SEQRES 12 A 215 TYR GLU ALA GLY ASP VAL SER PHE TYR ASN MET ARG ASP SEQRES 13 A 215 ARG SER HIS ILE TYR THR CYS PRO ARG SER ALA PHE THR SEQRES 14 A 215 VAL PRO VAL ARG PRO PHE PHE ARG LEU GLY SER ASP ASP SEQRES 15 A 215 SER PRO ILE PHE ILE CYS PRO ALA LEU THR GLY ALA SER SEQRES 16 A 215 GLY VAL THR VAL PRO GLU GLU GLY LEU LYS LEU HIS ARG SEQRES 17 A 215 VAL GLY THR HIS GLN SER LEU SEQRES 1 B 215 GLY ALA GLY ALA GLY ALA GLU GLU LEU ARG TRP ARG ARG SEQRES 2 B 215 THR PHE LEU HIS ALA ALA ASP VAL VAL LEU ASP PRO ASP SEQRES 3 B 215 THR ALA HIS PRO GLU LEU PHE LEU SER GLU ASP ARG ARG SEQRES 4 B 215 SER VAL ARG ARG GLY PRO TYR ARG GLN ARG VAL PRO ASP SEQRES 5 B 215 ASN PRO GLU ARG PHE ASP SER GLN PRO CYS VAL LEU GLY SEQRES 6 B 215 ARG GLU SER PHE ALA SER GLY LYS HIS TYR TRP GLU VAL SEQRES 7 B 215 GLU VAL GLU ASN VAL MET VAL TRP THR VAL GLY VAL CYS SEQRES 8 B 215 ARG HIS SER VAL GLU ARG LYS GLY GLU VAL LEU LEU ILE SEQRES 9 B 215 PRO GLN ASN GLY PHE TRP THR LEU GLU MET PHE GLY ASN SEQRES 10 B 215 GLN TYR ARG ALA LEU SER SER PRO GLU ARG ILE LEU PRO SEQRES 11 B 215 LEU LYS GLU SER LEU CYS ARG VAL GLY VAL PHE LEU ASP SEQRES 12 B 215 TYR GLU ALA GLY ASP VAL SER PHE TYR ASN MET ARG ASP SEQRES 13 B 215 ARG SER HIS ILE TYR THR CYS PRO ARG SER ALA PHE THR SEQRES 14 B 215 VAL PRO VAL ARG PRO PHE PHE ARG LEU GLY SER ASP ASP SEQRES 15 B 215 SER PRO ILE PHE ILE CYS PRO ALA LEU THR GLY ALA SER SEQRES 16 B 215 GLY VAL THR VAL PRO GLU GLU GLY LEU LYS LEU HIS ARG SEQRES 17 B 215 VAL GLY THR HIS GLN SER LEU FORMUL 3 HOH *134(H2 O) HELIX 1 AA1 ILE A 412 ASN A 415 5 4 HELIX 2 AA2 ASP B 332 ALA B 336 5 5 HELIX 3 AA3 ILE B 412 ASN B 415 5 4 SHEET 1 AA110 LEU A 340 LEU A 342 0 SHEET 2 AA110 SER A 348 ARG A 351 -1 O ARG A 350 N PHE A 341 SHEET 3 AA110 ILE A 493 ILE A 495 -1 O ILE A 493 N VAL A 349 SHEET 4 AA110 LYS A 381 GLU A 387 -1 N GLU A 387 O PHE A 494 SHEET 5 AA110 LEU A 324 ALA A 326 1 N HIS A 325 O LYS A 381 SHEET 6 AA110 LEU B 324 ALA B 326 -1 O LEU B 324 N ALA A 326 SHEET 7 AA110 LYS B 381 GLU B 387 1 O LYS B 381 N HIS B 325 SHEET 8 AA110 ILE B 493 ILE B 495 -1 O PHE B 494 N GLU B 387 SHEET 9 AA110 SER B 348 ARG B 351 -1 N VAL B 349 O ILE B 493 SHEET 10 AA110 LEU B 340 LEU B 342 -1 N PHE B 341 O ARG B 350 SHEET 1 AA212 LEU A 512 LYS A 513 0 SHEET 2 AA212 SER B 466 THR B 470 -1 O THR B 470 N LEU A 512 SHEET 3 AA212 ASP B 456 ASN B 461 -1 N PHE B 459 O TYR B 469 SHEET 4 AA212 ARG B 445 ASP B 451 -1 N PHE B 449 O SER B 458 SHEET 5 AA212 LYS B 381 GLU B 387 -1 N HIS B 382 O LEU B 450 SHEET 6 AA212 LEU B 324 ALA B 326 1 N HIS B 325 O LYS B 381 SHEET 7 AA212 LEU A 324 ALA A 326 -1 N ALA A 326 O LEU B 324 SHEET 8 AA212 LYS A 381 GLU A 387 1 O LYS A 381 N HIS A 325 SHEET 9 AA212 ARG A 445 ASP A 451 -1 O VAL A 448 N TRP A 384 SHEET 10 AA212 ASP A 456 ASN A 461 -1 O TYR A 460 N GLY A 447 SHEET 11 AA212 SER A 466 THR A 470 -1 O ILE A 468 N PHE A 459 SHEET 12 AA212 LEU B 512 LYS B 513 -1 O LEU B 512 N THR A 470 SHEET 1 AA3 5 CYS A 370 LEU A 372 0 SHEET 2 AA3 5 VAL A 480 LEU A 486 -1 O PHE A 484 N VAL A 371 SHEET 3 AA3 5 TRP A 394 ARG A 400 -1 N CYS A 399 O ARG A 481 SHEET 4 AA3 5 PHE A 417 PHE A 423 -1 O TRP A 418 N VAL A 398 SHEET 5 AA3 5 GLN A 426 ALA A 429 -1 O GLN A 426 N PHE A 423 SHEET 1 AA4 6 CYS B 370 LEU B 372 0 SHEET 2 AA4 6 VAL B 480 LEU B 486 -1 O PHE B 484 N VAL B 371 SHEET 3 AA4 6 TRP B 394 ARG B 400 -1 N GLY B 397 O PHE B 483 SHEET 4 AA4 6 PHE B 417 PHE B 423 -1 O LEU B 420 N VAL B 396 SHEET 5 AA4 6 GLN B 426 ALA B 429 -1 O ARG B 428 N GLU B 421 SHEET 6 AA4 6 ILE B 436 LEU B 437 -1 O LEU B 437 N TYR B 427 CRYST1 55.673 59.843 127.612 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 0.017962 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016710 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007836 0.00000