HEADER MEMBRANE PROTEIN 20-MAR-24 8YR3 TITLE CRYO-EM STRUCTURE OF THE HUMAN ABCB6 IN COMPLEX WITH CD(II):GSH COMPND MOL_ID: 1; COMPND 2 MOLECULE: ATP-BINDING CASSETTE SUB-FAMILY B MEMBER 6; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: ABC-TYPE HEME TRANSPORTER ABCB6,MITOCHONDRIAL ABC COMPND 5 TRANSPORTER 3,MT-ABC TRANSPORTER 3,P-GLYCOPROTEIN-RELATED PROTEIN, COMPND 6 UBIQUITOUSLY-EXPRESSED MAMMALIAN ABC HALF TRANSPORTER; COMPND 7 EC: 7.6.2.5; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: ABCB6, MTABC3, PRP, UMAT; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7108 KEYWDS CRYO-EM, ABC TRANSPORTER, ATP-BINDING CASSETTE TRANSPORTER B6, ABCB6, KEYWDS 2 HEME BIOSYNTHESIS, HEAVY METAL DETOXIFICATION, GLUTATHIONE, KEYWDS 3 PHYTOCHELATIN, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR S.H.CHOI,S.S.LEE,H.Y.LEE,S.KIM,J.W.KIM,M.S.JIN REVDAT 1 19-JUN-24 8YR3 0 JRNL AUTH S.H.CHOI,S.S.LEE,H.Y.LEE,S.KIM,J.W.KIM,M.S.JIN JRNL TITL CRYO-EM STRUCTURE OF CADMIUM-BOUND HUMAN ABCB6. JRNL REF COMMUN BIOL V. 7 672 2024 JRNL REFN ESSN 2399-3642 JRNL PMID 38822018 JRNL DOI 10.1038/S42003-024-06377-1 REMARK 2 REMARK 2 RESOLUTION. 3.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : PHENIX REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 3.200 REMARK 3 NUMBER OF PARTICLES : 402369 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 8YR3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 21-MAR-24. REMARK 100 THE DEPOSITION ID IS D_1300046094. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : HOMODIMER COMPLEX OF ATP REMARK 245 -BINDING CASSETTE TRANSPORTER REMARK 245 B6 IN COMPLEX WITH CD(II):GSH REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.00 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS TALOS REMARK 245 DETECTOR TYPE : GATAN K3 BIOQUANTUM (6K X REMARK 245 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1000.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2200.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5000.00 REMARK 245 ILLUMINATION MODE : SPOT SCAN REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 200 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. 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 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 ALA A 206 REMARK 465 PRO A 207 REMARK 465 GLY A 208 REMARK 465 LEU A 209 REMARK 465 ARG A 210 REMARK 465 PRO A 211 REMARK 465 GLN A 212 REMARK 465 SER A 213 REMARK 465 TYR A 214 REMARK 465 THR A 215 REMARK 465 LEU A 216 REMARK 465 GLN A 217 REMARK 465 VAL A 218 REMARK 465 HIS A 219 REMARK 465 GLU A 220 REMARK 465 GLU A 221 REMARK 465 ASP A 222 REMARK 465 GLN A 223 REMARK 465 ASP A 224 REMARK 465 VAL A 225 REMARK 465 GLU A 226 REMARK 465 ARG A 227 REMARK 465 SER A 228 REMARK 465 GLN A 229 REMARK 465 VAL A 230 REMARK 465 ARG A 231 REMARK 465 SER A 232 REMARK 465 ALA A 233 REMARK 465 ALA A 234 REMARK 465 GLN A 235 REMARK 465 GLN A 236 REMARK 465 SER A 237 REMARK 465 THR A 238 REMARK 465 TRP A 239 REMARK 465 GLY A 827 REMARK 465 GLN A 828 REMARK 465 GLU A 829 REMARK 465 GLU A 830 REMARK 465 THR A 831 REMARK 465 SER A 832 REMARK 465 GLU A 833 REMARK 465 ASP A 834 REMARK 465 THR A 835 REMARK 465 LYS A 836 REMARK 465 PRO A 837 REMARK 465 GLN A 838 REMARK 465 THR A 839 REMARK 465 MET A 840 REMARK 465 GLU A 841 REMARK 465 ARG A 842 REMARK 465 ALA B 206 REMARK 465 PRO B 207 REMARK 465 GLY B 208 REMARK 465 LEU B 209 REMARK 465 ARG B 210 REMARK 465 PRO B 211 REMARK 465 GLN B 212 REMARK 465 SER B 213 REMARK 465 TYR B 214 REMARK 465 THR B 215 REMARK 465 LEU B 216 REMARK 465 GLN B 217 REMARK 465 VAL B 218 REMARK 465 HIS B 219 REMARK 465 GLU B 220 REMARK 465 GLU B 221 REMARK 465 ASP B 222 REMARK 465 GLN B 223 REMARK 465 ASP B 224 REMARK 465 VAL B 225 REMARK 465 GLU B 226 REMARK 465 ARG B 227 REMARK 465 SER B 228 REMARK 465 GLN B 229 REMARK 465 VAL B 230 REMARK 465 ARG B 231 REMARK 465 SER B 232 REMARK 465 ALA B 233 REMARK 465 ALA B 234 REMARK 465 GLN B 235 REMARK 465 GLN B 236 REMARK 465 SER B 237 REMARK 465 THR B 238 REMARK 465 TRP B 239 REMARK 465 GLY B 827 REMARK 465 GLN B 828 REMARK 465 GLU B 829 REMARK 465 GLU B 830 REMARK 465 THR B 831 REMARK 465 SER B 832 REMARK 465 GLU B 833 REMARK 465 ASP B 834 REMARK 465 THR B 835 REMARK 465 LYS B 836 REMARK 465 PRO B 837 REMARK 465 GLN B 838 REMARK 465 THR B 839 REMARK 465 MET B 840 REMARK 465 GLU B 841 REMARK 465 ARG B 842 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 TYR A 466 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LYS A 575 CG CD CE NZ REMARK 470 TYR B 466 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LYS B 575 CG CD CE NZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 GLN A 539 C GLN A 539 O 0.140 REMARK 500 MET A 542 C MET A 542 O 0.169 REMARK 500 ASN A 545 C ASN A 545 O 0.126 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 PRO A 543 C - N - CA ANGL. DEV. = -20.6 DEGREES REMARK 500 TRP A 546 C - N - CA ANGL. DEV. = -21.4 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 256 -5.06 -59.91 REMARK 500 THR A 320 28.41 43.21 REMARK 500 MET A 407 -60.19 -91.50 REMARK 500 ASN A 410 -179.97 -173.68 REMARK 500 ASP A 455 44.40 -88.70 REMARK 500 PHE A 460 69.20 -68.77 REMARK 500 LEU A 503 -62.00 -90.95 REMARK 500 TYR A 550 -6.70 -41.30 REMARK 500 LYS A 575 19.40 -146.01 REMARK 500 ASP A 608 58.54 26.25 REMARK 500 LEU A 749 57.62 -93.82 REMARK 500 ARG B 256 -6.37 -57.04 REMARK 500 THR B 320 29.81 42.37 REMARK 500 SER B 322 37.74 -98.67 REMARK 500 ASN B 390 -4.69 -142.24 REMARK 500 ASN B 410 -173.21 -171.70 REMARK 500 ARG B 439 -61.70 -91.40 REMARK 500 PHE B 460 66.89 -68.22 REMARK 500 GLN B 555 -75.70 -70.62 REMARK 500 LYS B 575 26.66 -146.03 REMARK 500 ASP B 576 -166.94 -78.64 REMARK 500 ASP B 608 58.56 31.53 REMARK 500 LEU B 749 53.81 -97.34 REMARK 500 REMARK 500 REMARK: NULL 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 CD A 902 CD REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GSH A 901 SG2 REMARK 620 2 GSH B 901 SG2 161.7 REMARK 620 N 1 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 7DNZ RELATED DB: PDB REMARK 900 RELATED ID: 8K7C RELATED DB: PDB REMARK 900 RELATED ID: EMD-39534 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF THE HUMAN ABCB6 IN COMPLEX WITH CD(II):GSH DBREF 8YR3 A 206 842 UNP Q9NP58 ABCB6_HUMAN 206 842 DBREF 8YR3 B 206 842 UNP Q9NP58 ABCB6_HUMAN 206 842 SEQRES 1 A 637 ALA PRO GLY LEU ARG PRO GLN SER TYR THR LEU GLN VAL SEQRES 2 A 637 HIS GLU GLU ASP GLN ASP VAL GLU ARG SER GLN VAL ARG SEQRES 3 A 637 SER ALA ALA GLN GLN SER THR TRP ARG ASP PHE GLY ARG SEQRES 4 A 637 LYS LEU ARG LEU LEU SER GLY TYR LEU TRP PRO ARG GLY SEQRES 5 A 637 SER PRO ALA LEU GLN LEU VAL VAL LEU ILE CYS LEU GLY SEQRES 6 A 637 LEU MET GLY LEU GLU ARG ALA LEU ASN VAL LEU VAL PRO SEQRES 7 A 637 ILE PHE TYR ARG ASN ILE VAL ASN LEU LEU THR GLU LYS SEQRES 8 A 637 ALA PRO TRP ASN SER LEU ALA TRP THR VAL THR SER TYR SEQRES 9 A 637 VAL PHE LEU LYS PHE LEU GLN GLY GLY GLY THR GLY SER SEQRES 10 A 637 THR GLY PHE VAL SER ASN LEU ARG THR PHE LEU TRP ILE SEQRES 11 A 637 ARG VAL GLN GLN PHE THR SER ARG ARG VAL GLU LEU LEU SEQRES 12 A 637 ILE PHE SER HIS LEU HIS GLU LEU SER LEU ARG TRP HIS SEQRES 13 A 637 LEU GLY ARG ARG THR GLY GLU VAL LEU ARG ILE ALA ASP SEQRES 14 A 637 ARG GLY THR SER SER VAL THR GLY LEU LEU SER TYR LEU SEQRES 15 A 637 VAL PHE ASN VAL ILE PRO THR LEU ALA ASP ILE ILE ILE SEQRES 16 A 637 GLY ILE ILE TYR PHE SER MET PHE PHE ASN ALA TRP PHE SEQRES 17 A 637 GLY LEU ILE VAL PHE LEU CYS MET SER LEU TYR LEU THR SEQRES 18 A 637 LEU THR ILE VAL VAL THR GLU TRP ARG THR LYS PHE ARG SEQRES 19 A 637 ARG ALA MET ASN THR GLN GLU ASN ALA THR ARG ALA ARG SEQRES 20 A 637 ALA VAL ASP SER LEU LEU ASN PHE GLU THR VAL LYS TYR SEQRES 21 A 637 TYR ASN ALA GLU SER TYR GLU VAL GLU ARG TYR ARG GLU SEQRES 22 A 637 ALA ILE ILE LYS TYR GLN GLY LEU GLU TRP LYS SER SER SEQRES 23 A 637 ALA SER LEU VAL LEU LEU ASN GLN THR GLN ASN LEU VAL SEQRES 24 A 637 ILE GLY LEU GLY LEU LEU ALA GLY SER LEU LEU CYS ALA SEQRES 25 A 637 TYR PHE VAL THR GLU GLN LYS LEU GLN VAL GLY ASP TYR SEQRES 26 A 637 VAL LEU PHE GLY THR TYR ILE ILE GLN LEU TYR MET PRO SEQRES 27 A 637 LEU ASN TRP PHE GLY THR TYR TYR ARG MET ILE GLN THR SEQRES 28 A 637 ASN PHE ILE ASP MET GLU ASN MET PHE ASP LEU LEU LYS SEQRES 29 A 637 GLU GLU THR GLU VAL LYS ASP LEU PRO GLY ALA GLY PRO SEQRES 30 A 637 LEU ARG PHE GLN LYS GLY ARG ILE GLU PHE GLU ASN VAL SEQRES 31 A 637 HIS PHE SER TYR ALA ASP GLY ARG GLU THR LEU GLN ASP SEQRES 32 A 637 VAL SER PHE THR VAL MET PRO GLY GLN THR LEU ALA LEU SEQRES 33 A 637 VAL GLY PRO SER GLY ALA GLY LYS SER THR ILE LEU ARG SEQRES 34 A 637 LEU LEU PHE ARG PHE TYR ASP ILE SER SER GLY CYS ILE SEQRES 35 A 637 ARG ILE ASP GLY GLN ASP ILE SER GLN VAL THR GLN ALA SEQRES 36 A 637 SER LEU ARG SER HIS ILE GLY VAL VAL PRO GLN ASP THR SEQRES 37 A 637 VAL LEU PHE ASN ASP THR ILE ALA ASP ASN ILE ARG TYR SEQRES 38 A 637 GLY ARG VAL THR ALA GLY ASN ASP GLU VAL GLU ALA ALA SEQRES 39 A 637 ALA GLN ALA ALA GLY ILE HIS ASP ALA ILE MET ALA PHE SEQRES 40 A 637 PRO GLU GLY TYR ARG THR GLN VAL GLY GLU ARG GLY LEU SEQRES 41 A 637 LYS LEU SER GLY GLY GLU LYS GLN ARG VAL ALA ILE ALA SEQRES 42 A 637 ARG THR ILE LEU LYS ALA PRO GLY ILE ILE LEU LEU ASP SEQRES 43 A 637 GLU ALA THR SER ALA LEU ASP THR SER ASN GLU ARG ALA SEQRES 44 A 637 ILE GLN ALA SER LEU ALA LYS VAL CYS ALA ASN ARG THR SEQRES 45 A 637 THR ILE VAL VAL ALA HIS ARG LEU SER THR VAL VAL ASN SEQRES 46 A 637 ALA ASP GLN ILE LEU VAL ILE LYS ASP GLY CYS ILE VAL SEQRES 47 A 637 GLU ARG GLY ARG HIS GLU ALA LEU LEU SER ARG GLY GLY SEQRES 48 A 637 VAL TYR ALA ASP MET TRP GLN LEU GLN GLN GLY GLN GLU SEQRES 49 A 637 GLU THR SER GLU ASP THR LYS PRO GLN THR MET GLU ARG SEQRES 1 B 637 ALA PRO GLY LEU ARG PRO GLN SER TYR THR LEU GLN VAL SEQRES 2 B 637 HIS GLU GLU ASP GLN ASP VAL GLU ARG SER GLN VAL ARG SEQRES 3 B 637 SER ALA ALA GLN GLN SER THR TRP ARG ASP PHE GLY ARG SEQRES 4 B 637 LYS LEU ARG LEU LEU SER GLY TYR LEU TRP PRO ARG GLY SEQRES 5 B 637 SER PRO ALA LEU GLN LEU VAL VAL LEU ILE CYS LEU GLY SEQRES 6 B 637 LEU MET GLY LEU GLU ARG ALA LEU ASN VAL LEU VAL PRO SEQRES 7 B 637 ILE PHE TYR ARG ASN ILE VAL ASN LEU LEU THR GLU LYS SEQRES 8 B 637 ALA PRO TRP ASN SER LEU ALA TRP THR VAL THR SER TYR SEQRES 9 B 637 VAL PHE LEU LYS PHE LEU GLN GLY GLY GLY THR GLY SER SEQRES 10 B 637 THR GLY PHE VAL SER ASN LEU ARG THR PHE LEU TRP ILE SEQRES 11 B 637 ARG VAL GLN GLN PHE THR SER ARG ARG VAL GLU LEU LEU SEQRES 12 B 637 ILE PHE SER HIS LEU HIS GLU LEU SER LEU ARG TRP HIS SEQRES 13 B 637 LEU GLY ARG ARG THR GLY GLU VAL LEU ARG ILE ALA ASP SEQRES 14 B 637 ARG GLY THR SER SER VAL THR GLY LEU LEU SER TYR LEU SEQRES 15 B 637 VAL PHE ASN VAL ILE PRO THR LEU ALA ASP ILE ILE ILE SEQRES 16 B 637 GLY ILE ILE TYR PHE SER MET PHE PHE ASN ALA TRP PHE SEQRES 17 B 637 GLY LEU ILE VAL PHE LEU CYS MET SER LEU TYR LEU THR SEQRES 18 B 637 LEU THR ILE VAL VAL THR GLU TRP ARG THR LYS PHE ARG SEQRES 19 B 637 ARG ALA MET ASN THR GLN GLU ASN ALA THR ARG ALA ARG SEQRES 20 B 637 ALA VAL ASP SER LEU LEU ASN PHE GLU THR VAL LYS TYR SEQRES 21 B 637 TYR ASN ALA GLU SER TYR GLU VAL GLU ARG TYR ARG GLU SEQRES 22 B 637 ALA ILE ILE LYS TYR GLN GLY LEU GLU TRP LYS SER SER SEQRES 23 B 637 ALA SER LEU VAL LEU LEU ASN GLN THR GLN ASN LEU VAL SEQRES 24 B 637 ILE GLY LEU GLY LEU LEU ALA GLY SER LEU LEU CYS ALA SEQRES 25 B 637 TYR PHE VAL THR GLU GLN LYS LEU GLN VAL GLY ASP TYR SEQRES 26 B 637 VAL LEU PHE GLY THR TYR ILE ILE GLN LEU TYR MET PRO SEQRES 27 B 637 LEU ASN TRP PHE GLY THR TYR TYR ARG MET ILE GLN THR SEQRES 28 B 637 ASN PHE ILE ASP MET GLU ASN MET PHE ASP LEU LEU LYS SEQRES 29 B 637 GLU GLU THR GLU VAL LYS ASP LEU PRO GLY ALA GLY PRO SEQRES 30 B 637 LEU ARG PHE GLN LYS GLY ARG ILE GLU PHE GLU ASN VAL SEQRES 31 B 637 HIS PHE SER TYR ALA ASP GLY ARG GLU THR LEU GLN ASP SEQRES 32 B 637 VAL SER PHE THR VAL MET PRO GLY GLN THR LEU ALA LEU SEQRES 33 B 637 VAL GLY PRO SER GLY ALA GLY LYS SER THR ILE LEU ARG SEQRES 34 B 637 LEU LEU PHE ARG PHE TYR ASP ILE SER SER GLY CYS ILE SEQRES 35 B 637 ARG ILE ASP GLY GLN ASP ILE SER GLN VAL THR GLN ALA SEQRES 36 B 637 SER LEU ARG SER HIS ILE GLY VAL VAL PRO GLN ASP THR SEQRES 37 B 637 VAL LEU PHE ASN ASP THR ILE ALA ASP ASN ILE ARG TYR SEQRES 38 B 637 GLY ARG VAL THR ALA GLY ASN ASP GLU VAL GLU ALA ALA SEQRES 39 B 637 ALA GLN ALA ALA GLY ILE HIS ASP ALA ILE MET ALA PHE SEQRES 40 B 637 PRO GLU GLY TYR ARG THR GLN VAL GLY GLU ARG GLY LEU SEQRES 41 B 637 LYS LEU SER GLY GLY GLU LYS GLN ARG VAL ALA ILE ALA SEQRES 42 B 637 ARG THR ILE LEU LYS ALA PRO GLY ILE ILE LEU LEU ASP SEQRES 43 B 637 GLU ALA THR SER ALA LEU ASP THR SER ASN GLU ARG ALA SEQRES 44 B 637 ILE GLN ALA SER LEU ALA LYS VAL CYS ALA ASN ARG THR SEQRES 45 B 637 THR ILE VAL VAL ALA HIS ARG LEU SER THR VAL VAL ASN SEQRES 46 B 637 ALA ASP GLN ILE LEU VAL ILE LYS ASP GLY CYS ILE VAL SEQRES 47 B 637 GLU ARG GLY ARG HIS GLU ALA LEU LEU SER ARG GLY GLY SEQRES 48 B 637 VAL TYR ALA ASP MET TRP GLN LEU GLN GLN GLY GLN GLU SEQRES 49 B 637 GLU THR SER GLU ASP THR LYS PRO GLN THR MET GLU ARG HET GSH A 901 20 HET CD A 902 1 HET GSH B 901 20 HETNAM GSH GLUTATHIONE HETNAM CD CADMIUM ION FORMUL 3 GSH 2(C10 H17 N3 O6 S) FORMUL 4 CD CD 2+ HELIX 1 AA1 ASP A 241 TRP A 254 1 14 HELIX 2 AA2 LEU A 261 GLU A 295 1 35 HELIX 3 AA3 PRO A 298 GLN A 316 1 19 HELIX 4 AA4 GLY A 324 GLU A 355 1 32 HELIX 5 AA5 SER A 357 ARG A 364 1 8 HELIX 6 AA6 ARG A 365 VAL A 391 1 27 HELIX 7 AA7 VAL A 391 PHE A 409 1 19 HELIX 8 AA8 TRP A 412 ASP A 455 1 44 HELIX 9 AA9 GLU A 461 TYR A 466 1 6 HELIX 10 AB1 ALA A 468 GLU A 522 1 55 HELIX 11 AB2 VAL A 527 GLU A 570 1 44 HELIX 12 AB3 ALA A 627 LEU A 636 1 10 HELIX 13 AB4 SER A 655 VAL A 657 5 3 HELIX 14 AB5 THR A 658 HIS A 665 1 8 HELIX 15 AB6 THR A 679 TYR A 686 1 8 HELIX 16 AB7 GLY A 692 ALA A 703 1 12 HELIX 17 AB8 ILE A 705 PHE A 712 1 8 HELIX 18 AB9 GLU A 714 THR A 718 5 5 HELIX 19 AC1 SER A 728 ALA A 744 1 17 HELIX 20 AC2 ASP A 758 ALA A 774 1 17 HELIX 21 AC3 LEU A 785 ASN A 790 1 6 HELIX 22 AC4 ARG A 807 GLY A 815 1 9 HELIX 23 AC5 VAL A 817 GLN A 826 1 10 HELIX 24 AC6 ASP B 241 TRP B 254 1 14 HELIX 25 AC7 LEU B 261 GLU B 295 1 35 HELIX 26 AC8 PRO B 298 GLN B 316 1 19 HELIX 27 AC9 GLY B 324 GLU B 355 1 32 HELIX 28 AD1 SER B 357 ARG B 364 1 8 HELIX 29 AD2 ARG B 365 VAL B 391 1 27 HELIX 30 AD3 VAL B 391 PHE B 409 1 19 HELIX 31 AD4 ALA B 411 ASP B 455 1 45 HELIX 32 AD5 GLU B 461 TYR B 466 1 6 HELIX 33 AD6 ALA B 468 GLU B 522 1 55 HELIX 34 AD7 GLN B 526 MET B 542 1 17 HELIX 35 AD8 PRO B 543 ASN B 545 5 3 HELIX 36 AD9 TRP B 546 GLU B 570 1 25 HELIX 37 AE1 ALA B 627 LEU B 636 1 10 HELIX 38 AE2 SER B 655 VAL B 657 5 3 HELIX 39 AE3 THR B 658 HIS B 665 1 8 HELIX 40 AE4 THR B 679 TYR B 686 1 8 HELIX 41 AE5 GLY B 692 ALA B 703 1 12 HELIX 42 AE6 ILE B 705 PHE B 712 1 8 HELIX 43 AE7 GLU B 714 THR B 718 5 5 HELIX 44 AE8 SER B 728 ALA B 744 1 17 HELIX 45 AE9 ASP B 758 ALA B 774 1 17 HELIX 46 AF1 LEU B 785 ASN B 790 1 6 HELIX 47 AF2 ARG B 807 GLY B 815 1 9 HELIX 48 AF3 VAL B 817 GLN B 826 1 10 SHEET 1 AA1 3 LEU A 606 VAL A 609 0 SHEET 2 AA1 3 ILE A 590 PHE A 597 -1 N PHE A 597 O LEU A 606 SHEET 3 AA1 3 THR A 612 VAL A 613 -1 O VAL A 613 N ILE A 590 SHEET 1 AA2 4 LEU A 606 VAL A 609 0 SHEET 2 AA2 4 ILE A 590 PHE A 597 -1 N PHE A 597 O LEU A 606 SHEET 3 AA2 4 SER A 644 ILE A 649 -1 O SER A 644 N HIS A 596 SHEET 4 AA2 4 GLN A 652 ASP A 653 -1 O GLN A 652 N ILE A 649 SHEET 1 AA3 5 ILE A 666 GLY A 667 0 SHEET 2 AA3 5 ILE A 747 ILE A 748 1 O ILE A 747 N GLY A 667 SHEET 3 AA3 5 THR A 777 VAL A 781 1 O THR A 777 N ILE A 748 SHEET 4 AA3 5 THR A 618 VAL A 622 1 N LEU A 619 O VAL A 780 SHEET 5 AA3 5 ILE A 794 VAL A 796 1 O LEU A 795 N ALA A 620 SHEET 1 AA4 4 LEU B 606 VAL B 609 0 SHEET 2 AA4 4 ILE B 590 PHE B 597 -1 N PHE B 597 O LEU B 606 SHEET 3 AA4 4 SER B 644 ILE B 649 -1 O SER B 644 N HIS B 596 SHEET 4 AA4 4 GLN B 652 ASP B 653 -1 O GLN B 652 N ILE B 649 SHEET 1 AA5 5 ILE B 666 GLY B 667 0 SHEET 2 AA5 5 ILE B 747 ILE B 748 1 O ILE B 747 N GLY B 667 SHEET 3 AA5 5 THR B 777 VAL B 781 1 O ILE B 779 N ILE B 748 SHEET 4 AA5 5 THR B 618 VAL B 622 1 N LEU B 619 O VAL B 780 SHEET 5 AA5 5 ILE B 794 VAL B 796 1 O LEU B 795 N VAL B 622 LINK SG2 GSH A 901 CD CD A 902 1555 1555 2.47 LINK CD CD A 902 SG2 GSH B 901 1555 1555 2.51 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000