HEADER MEMBRANE PROTEIN 13-AUG-21 7RTM TITLE CRYO-EM STRUCTURE OF THE SODIUM-DRIVEN CHLORIDE/BICARBONATE EXCHANGER TITLE 2 NDCBE (SLC4A8) COMPND MOL_ID: 1; COMPND 2 MOLECULE: ELECTRONEUTRAL SODIUM BICARBONATE EXCHANGER 1; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ORYCTOLAGUS CUNICULUS; SOURCE 3 ORGANISM_TAXID: 9986; SOURCE 4 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS NDCBE, SODIUM-DRIVEN CHLORIDE/BICARBONATE EXCHANGER, CRYO-EM, KEYWDS 2 MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR W.G.WANG,K.TSIRULNIKOV,H.ZHEKOVA,G.KAYIK,H.MUHAMMAD-KHAN,R.AZIMOV, AUTHOR 2 N.ABULADZE,L.KAO,D.NEWMAN,S.Y.NOSKOV,Z.H.ZHOU,A.PUSHKIN,I.KURTZ REVDAT 2 06-OCT-21 7RTM 1 JRNL REVDAT 1 29-SEP-21 7RTM 0 JRNL AUTH W.WANG,K.TSIRULNIKOV,H.R.ZHEKOVA,G.KAYIK,H.M.KHAN,R.AZIMOV, JRNL AUTH 2 N.ABULADZE,L.KAO,D.NEWMAN,S.Y.NOSKOV,Z.H.ZHOU,A.PUSHKIN, JRNL AUTH 3 I.KURTZ JRNL TITL CRYO-EM STRUCTURE OF THE SODIUM-DRIVEN CHLORIDE/BICARBONATE JRNL TITL 2 EXCHANGER NDCBE. JRNL REF NAT COMMUN V. 12 5690 2021 JRNL REFN ESSN 2041-1723 JRNL PMID 34584093 JRNL DOI 10.1038/S41467-021-25998-2 REMARK 2 REMARK 2 RESOLUTION. 3.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : RELION, SERIALEM, CTFFIND, RELION, REMARK 3 RELION, RELION, COOT, 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 : REAL REMARK 3 REFINEMENT PROTOCOL : AB INITIO MODEL REMARK 3 REFINEMENT TARGET : CORRELATION COEFFICIENT 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) : 3.400 REMARK 3 NUMBER OF PARTICLES : 380776 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 7RTM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-AUG-21. REMARK 100 THE DEPOSITION ID IS D_1000257590. 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 : NDCBE(SLC4A8) DIMER REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 0.80 REMARK 245 SAMPLE SUPPORT DETAILS : GLOW DISCHARGED WITH EASYGLOW. REMARK 245 SAMPLE VITRIFICATION DETAILS : BLOT TIME 2 SECONDS. BLOT FORCE REMARK 245 0 REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.50 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : 7545 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K2 SUMMIT (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : NULL REMARK 245 MAXIMUM DEFOCUS (NM) : NULL REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 2.70 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5200.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : 130000 REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 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, C, D 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 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 SER B 773 OG 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 O ALA A 845 NA NA A 1102 1.12 REMARK 500 SG CYS A 565 CD1 ILE A 775 1.63 REMARK 500 O TYR A 943 O VAL A 947 1.73 REMARK 500 CE1 TYR A 943 CD2 LEU A 1004 1.84 REMARK 500 CG1 ILE A 511 CG PRO A 758 1.88 REMARK 500 CG2 THR A 538 O1 CO3 A 1103 2.00 REMARK 500 N LEU B 640 NE1 TRP B 664 2.05 REMARK 500 C ALA B 639 NE1 TRP B 664 2.08 REMARK 500 O MET A 490 CG1 ILE A 494 2.09 REMARK 500 CD1 ILE A 511 CB PRO A 758 2.18 REMARK 500 REMARK 500 REMARK: NULL 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 ARG A 471 NE ARG A 471 CZ 0.118 REMARK 500 TYR A 588 CZ TYR A 588 CE2 0.090 REMARK 500 TYR A 607 CZ TYR A 607 OH 0.118 REMARK 500 ARG A 810 CZ ARG A 810 NH2 0.079 REMARK 500 TYR A 821 CZ TYR A 821 OH 0.116 REMARK 500 SER A 918 CB SER A 918 OG 0.084 REMARK 500 ARG A 950 CZ ARG A 950 NH1 0.081 REMARK 500 GLY B 501 CA GLY B 501 C -0.127 REMARK 500 ARG B 591 CZ ARG B 591 NH2 0.081 REMARK 500 TYR B 607 CG TYR B 607 CD1 0.095 REMARK 500 TYR B 620 CZ TYR B 620 OH 0.109 REMARK 500 TYR B 620 CZ TYR B 620 CE2 0.080 REMARK 500 PHE B 696 CG PHE B 696 CD1 0.097 REMARK 500 ARG B 724 CZ ARG B 724 NH2 0.082 REMARK 500 ARG B 726 NE ARG B 726 CZ 0.087 REMARK 500 ARG B 810 CZ ARG B 810 NH1 0.078 REMARK 500 HIS B 853 CB HIS B 853 CG 0.111 REMARK 500 SER B 856 CA SER B 856 CB 0.092 REMARK 500 CYS B 863 CB CYS B 863 SG 0.121 REMARK 500 ARG B 927 NE ARG B 927 CZ 0.083 REMARK 500 HIS B 946 CG HIS B 946 CD2 0.065 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 ARG A 461 NE - CZ - NH1 ANGL. DEV. = -5.3 DEGREES REMARK 500 ARG A 461 NE - CZ - NH2 ANGL. DEV. = 3.1 DEGREES REMARK 500 TRP A 467 O - C - N ANGL. DEV. = -10.6 DEGREES REMARK 500 PHE A 482 CB - CG - CD1 ANGL. DEV. = 4.9 DEGREES REMARK 500 ALA A 503 CB - CA - C ANGL. DEV. = -9.5 DEGREES REMARK 500 ARG A 507 NE - CZ - NH1 ANGL. DEV. = -6.0 DEGREES REMARK 500 ARG A 507 NE - CZ - NH2 ANGL. DEV. = 6.8 DEGREES REMARK 500 PHE A 515 CB - CG - CD2 ANGL. DEV. = 7.3 DEGREES REMARK 500 TYR A 524 CB - CG - CD2 ANGL. DEV. = -3.6 DEGREES REMARK 500 TYR A 524 CG - CD2 - CE2 ANGL. DEV. = -5.3 DEGREES REMARK 500 ARG A 563 NE - CZ - NH1 ANGL. DEV. = -5.3 DEGREES REMARK 500 TYR A 588 CB - CG - CD1 ANGL. DEV. = -3.8 DEGREES REMARK 500 PHE A 605 CB - CG - CD1 ANGL. DEV. = -6.1 DEGREES REMARK 500 TYR A 607 CB - CG - CD2 ANGL. DEV. = 4.4 DEGREES REMARK 500 TYR A 607 CB - CG - CD1 ANGL. DEV. = -4.3 DEGREES REMARK 500 TYR A 620 CB - CG - CD2 ANGL. DEV. = 4.5 DEGREES REMARK 500 TYR A 620 CB - CG - CD1 ANGL. DEV. = -6.0 DEGREES REMARK 500 TYR A 634 CD1 - CG - CD2 ANGL. DEV. = -6.7 DEGREES REMARK 500 TYR A 634 CB - CG - CD1 ANGL. DEV. = 4.5 DEGREES REMARK 500 TYR A 634 CG - CD2 - CE2 ANGL. DEV. = 6.8 DEGREES REMARK 500 ARG A 637 NE - CZ - NH1 ANGL. DEV. = 5.0 DEGREES REMARK 500 LEU A 649 CB - CG - CD2 ANGL. DEV. = 11.2 DEGREES REMARK 500 ASP A 661 CB - CG - OD2 ANGL. DEV. = -7.0 DEGREES REMARK 500 TYR A 690 CB - CG - CD2 ANGL. DEV. = -7.1 DEGREES REMARK 500 TYR A 690 CB - CG - CD1 ANGL. DEV. = 9.2 DEGREES REMARK 500 ASP A 693 CB - CG - OD2 ANGL. DEV. = 7.2 DEGREES REMARK 500 PHE A 702 CB - CG - CD2 ANGL. DEV. = 5.1 DEGREES REMARK 500 PHE A 702 CB - CG - CD1 ANGL. DEV. = -6.0 DEGREES REMARK 500 ALA A 704 N - CA - CB ANGL. DEV. = 9.0 DEGREES REMARK 500 PHE A 715 CB - CG - CD2 ANGL. DEV. = 5.1 DEGREES REMARK 500 PHE A 715 CB - CG - CD1 ANGL. DEV. = -6.8 DEGREES REMARK 500 TYR A 720 CB - CG - CD2 ANGL. DEV. = -5.6 DEGREES REMARK 500 PHE A 721 CB - CG - CD1 ANGL. DEV. = 6.4 DEGREES REMARK 500 ARG A 726 NE - CZ - NH2 ANGL. DEV. = 3.5 DEGREES REMARK 500 PHE A 735 CB - CG - CD1 ANGL. DEV. = -4.8 DEGREES REMARK 500 PHE A 739 CB - CG - CD2 ANGL. DEV. = -4.7 DEGREES REMARK 500 TRP A 781 CD1 - CG - CD2 ANGL. DEV. = 5.5 DEGREES REMARK 500 TRP A 781 CE2 - CD2 - CG ANGL. DEV. = -4.9 DEGREES REMARK 500 ALA A 790 N - CA - CB ANGL. DEV. = 9.4 DEGREES REMARK 500 TYR A 821 CB - CG - CD1 ANGL. DEV. = -5.2 DEGREES REMARK 500 ASP A 824 CB - CG - OD1 ANGL. DEV. = 7.1 DEGREES REMARK 500 THR A 847 CA - CB - CG2 ANGL. DEV. = -9.2 DEGREES REMARK 500 ARG A 876 NE - CZ - NH1 ANGL. DEV. = -4.6 DEGREES REMARK 500 ARG A 876 NE - CZ - NH2 ANGL. DEV. = 3.9 DEGREES REMARK 500 PHE A 886 CB - CG - CD2 ANGL. DEV. = 6.4 DEGREES REMARK 500 SER A 892 N - CA - CB ANGL. DEV. = 9.4 DEGREES REMARK 500 PHE A 894 CB - CG - CD1 ANGL. DEV. = -5.0 DEGREES REMARK 500 TYR A 908 CB - CG - CD2 ANGL. DEV. = -3.9 DEGREES REMARK 500 TYR A 913 CB - CG - CD2 ANGL. DEV. = -5.6 DEGREES REMARK 500 ARG A 950 NE - CZ - NH1 ANGL. DEV. = -4.9 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 99 ANGLE DEVIATIONS. 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 LEU A 476 -5.34 83.29 REMARK 500 ALA A 528 -161.70 -114.95 REMARK 500 CYS A 552 40.34 -99.43 REMARK 500 THR A 580 -71.03 -96.65 REMARK 500 GLN A 627 76.56 40.90 REMARK 500 LEU A 628 -32.69 -39.88 REMARK 500 SER A 656 77.80 52.87 REMARK 500 ASN A 666 90.33 -164.16 REMARK 500 HIS A 686 -161.13 -115.74 REMARK 500 ARG A 719 47.98 -141.51 REMARK 500 ASP A 767 3.50 -150.47 REMARK 500 ILE A 772 -137.12 56.81 REMARK 500 ASN A 809 37.85 -94.63 REMARK 500 LYS A 814 150.50 -47.23 REMARK 500 LYS A 816 20.44 -79.99 REMARK 500 GLN A 869 68.59 69.75 REMARK 500 LEU A 873 63.91 27.93 REMARK 500 SER A 892 52.79 -113.41 REMARK 500 ALA A 974 -78.44 -128.49 REMARK 500 LEU B 476 -7.97 82.57 REMARK 500 GLN B 477 -54.88 -126.04 REMARK 500 THR B 504 31.13 -97.48 REMARK 500 GLN B 530 83.51 -162.04 REMARK 500 CYS B 552 37.25 -94.09 REMARK 500 TYR B 555 62.31 62.63 REMARK 500 THR B 580 -71.48 -97.24 REMARK 500 ASP B 581 40.83 -145.04 REMARK 500 SER B 583 44.64 -145.84 REMARK 500 HIS B 625 108.34 -167.98 REMARK 500 THR B 659 72.13 36.68 REMARK 500 PRO B 689 172.65 -51.35 REMARK 500 ASP B 693 -6.47 -140.31 REMARK 500 ASP B 767 26.59 -154.06 REMARK 500 ASN B 809 38.75 -97.76 REMARK 500 LYS B 814 137.27 -39.20 REMARK 500 PRO B 866 102.56 -59.45 REMARK 500 LEU B 873 61.04 31.49 REMARK 500 ARG B 879 11.97 80.25 REMARK 500 PRO B 939 -167.26 -66.62 REMARK 500 TYR B 943 15.40 -57.42 REMARK 500 HIS B 946 22.63 -141.68 REMARK 500 PRO B 973 22.00 -72.83 REMARK 500 ALA B 974 -80.75 -125.54 REMARK 500 LEU B1004 -64.91 -106.11 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 461 0.10 SIDE CHAIN REMARK 500 ARG A 471 0.12 SIDE CHAIN REMARK 500 TYR A 486 0.08 SIDE CHAIN REMARK 500 TYR A 607 0.10 SIDE CHAIN REMARK 500 TYR A 620 0.10 SIDE CHAIN REMARK 500 TYR A 651 0.09 SIDE CHAIN REMARK 500 PHE A 735 0.09 SIDE CHAIN REMARK 500 HIS A 822 0.14 SIDE CHAIN REMARK 500 TYR A 913 0.10 SIDE CHAIN REMARK 500 ARG B 471 0.12 SIDE CHAIN REMARK 500 TYR B 524 0.09 SIDE CHAIN REMARK 500 TYR B 634 0.07 SIDE CHAIN REMARK 500 TYR B 651 0.10 SIDE CHAIN REMARK 500 ARG B 876 0.14 SIDE CHAIN REMARK 500 TYR B 908 0.08 SIDE CHAIN REMARK 500 PHE B 911 0.06 SIDE CHAIN REMARK 500 PHE B 924 0.08 SIDE CHAIN REMARK 500 ARG B 950 0.08 SIDE CHAIN REMARK 500 PHE B 955 0.13 SIDE CHAIN REMARK 500 PHE B 987 0.08 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 NAG C 1 REMARK 610 NAG D 1 REMARK 610 NAG A 1101 REMARK 610 NAG B 1101 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 NA A1102 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 804 OG1 REMARK 620 2 CO3 A1103 O2 130.7 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA B1102 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 800 OD1 REMARK 620 2 ASP B 800 OD2 43.3 REMARK 620 3 CO3 B1103 O3 150.4 152.4 REMARK 620 N 1 2 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-24683 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF THE SODIUM-DRIVEN CHLORIDE/BICARBONATE REMARK 900 EXCHANGER NDCBE (SLC4A8) DBREF 7RTM A 451 1021 PDB 7RTM 7RTM 451 1021 DBREF 7RTM B 451 1021 PDB 7RTM 7RTM 451 1021 SEQRES 1 A 571 LEU PHE GLY GLY LEU VAL LEU ASP VAL LYS ARG LYS ALA SEQRES 2 A 571 PRO TRP TYR TRP SER ASP TYR ARG ASP ALA LEU SER LEU SEQRES 3 A 571 GLN CYS LEU ALA SER PHE LEU PHE LEU TYR CYS ALA CYS SEQRES 4 A 571 MET SER PRO VAL ILE THR PHE GLY GLY LEU LEU GLY GLU SEQRES 5 A 571 ALA THR GLU GLY ARG ILE SER ALA ILE GLU SER LEU PHE SEQRES 6 A 571 GLY ALA SER MET THR GLY ILE ALA TYR SER LEU PHE ALA SEQRES 7 A 571 GLY GLN PRO LEU THR ILE LEU GLY SER THR GLY PRO VAL SEQRES 8 A 571 LEU VAL PHE GLU LYS ILE LEU PHE LYS PHE CYS LYS ASP SEQRES 9 A 571 TYR ALA LEU SER TYR LEU SER LEU ARG ALA CYS ILE GLY SEQRES 10 A 571 LEU TRP THR ALA PHE LEU CYS ILE VAL LEU VAL ALA THR SEQRES 11 A 571 ASP ALA SER SER LEU VAL CYS TYR ILE THR ARG PHE THR SEQRES 12 A 571 GLU GLU ALA PHE ALA SER LEU ILE CYS ILE ILE PHE ILE SEQRES 13 A 571 TYR GLU ALA ILE GLU LYS LEU ILE HIS LEU ALA GLU THR SEQRES 14 A 571 TYR PRO ILE HIS MET HIS SER GLN LEU ASP HIS LEU SER SEQRES 15 A 571 LEU TYR TYR CYS ARG CYS ALA LEU PRO GLU ASN PRO ASN SEQRES 16 A 571 ASN HIS THR LEU GLN TYR TRP LYS GLU HIS SER ILE PRO SEQRES 17 A 571 THR ALA ASP VAL ASN TRP ALA ASN LEU THR VAL SER GLU SEQRES 18 A 571 CYS GLN GLU MET HIS GLY GLU PHE ILE GLY SER ALA CYS SEQRES 19 A 571 GLY HIS HIS GLY PRO TYR THR PRO ASP VAL LEU PHE TRP SEQRES 20 A 571 SER CYS ILE LEU PHE PHE ALA THR PHE ILE VAL SER SER SEQRES 21 A 571 THR LEU LYS THR PHE LYS THR SER ARG TYR PHE PRO THR SEQRES 22 A 571 ARG VAL ARG SER THR VAL SER ASP PHE ALA VAL PHE LEU SEQRES 23 A 571 THR ILE PHE THR MET VAL ILE LEU ASP PHE LEU ILE GLY SEQRES 24 A 571 VAL PRO SER PRO LYS LEU GLN VAL PRO SER VAL PHE LYS SEQRES 25 A 571 PRO THR ARG ASP ASP ARG GLY TRP PHE ILE SER PRO ILE SEQRES 26 A 571 GLY PRO ASN PRO TRP TRP THR VAL ILE ALA ALA ILE ILE SEQRES 27 A 571 PRO ALA LEU LEU CYS THR ILE LEU ILE PHE MET ASP GLN SEQRES 28 A 571 GLN ILE THR ALA VAL ILE ILE ASN ARG LYS GLU HIS LYS SEQRES 29 A 571 LEU LYS LYS GLY CYS GLY TYR HIS LEU ASP LEU LEU VAL SEQRES 30 A 571 VAL ALA ILE MET LEU GLY VAL CYS SER LEU MET GLY LEU SEQRES 31 A 571 PRO TRP PHE VAL ALA ALA THR VAL LEU SER ILE THR HIS SEQRES 32 A 571 VAL ASN SER LEU LYS LEU GLU SER GLU CYS SER ALA PRO SEQRES 33 A 571 GLY GLU GLN PRO LYS PHE LEU GLY ILE ARG GLU GLN ARG SEQRES 34 A 571 VAL THR GLY LEU MET ILE PHE VAL LEU MET GLY CYS SER SEQRES 35 A 571 VAL PHE MET THR ALA VAL LEU LYS PHE ILE PRO MET PRO SEQRES 36 A 571 VAL LEU TYR GLY VAL PHE LEU TYR MET GLY VAL SER SER SEQRES 37 A 571 LEU GLN GLY ILE GLN PHE PHE ASP ARG LEU LYS LEU PHE SEQRES 38 A 571 GLY MET PRO ALA LYS HIS GLN PRO ASP PHE ILE TYR LEU SEQRES 39 A 571 ARG HIS VAL PRO LEU ARG LYS VAL HIS LEU PHE THR LEU SEQRES 40 A 571 VAL GLN LEU THR CYS LEU VAL LEU LEU TRP VAL ILE LYS SEQRES 41 A 571 ALA SER PRO ALA ALA ILE VAL PHE PRO MET MET VAL LEU SEQRES 42 A 571 ALA LEU VAL PHE VAL ARG LYS VAL MET ASP LEU CYS PHE SEQRES 43 A 571 SER LYS ARG GLU LEU SER TRP LEU ASP ASP LEU MET PRO SEQRES 44 A 571 GLU SER LYS LYS LYS LYS LEU ASP ASP ALA LYS LYS SEQRES 1 B 571 LEU PHE GLY GLY LEU VAL LEU ASP VAL LYS ARG LYS ALA SEQRES 2 B 571 PRO TRP TYR TRP SER ASP TYR ARG ASP ALA LEU SER LEU SEQRES 3 B 571 GLN CYS LEU ALA SER PHE LEU PHE LEU TYR CYS ALA CYS SEQRES 4 B 571 MET SER PRO VAL ILE THR PHE GLY GLY LEU LEU GLY GLU SEQRES 5 B 571 ALA THR GLU GLY ARG ILE SER ALA ILE GLU SER LEU PHE SEQRES 6 B 571 GLY ALA SER MET THR GLY ILE ALA TYR SER LEU PHE ALA SEQRES 7 B 571 GLY GLN PRO LEU THR ILE LEU GLY SER THR GLY PRO VAL SEQRES 8 B 571 LEU VAL PHE GLU LYS ILE LEU PHE LYS PHE CYS LYS ASP SEQRES 9 B 571 TYR ALA LEU SER TYR LEU SER LEU ARG ALA CYS ILE GLY SEQRES 10 B 571 LEU TRP THR ALA PHE LEU CYS ILE VAL LEU VAL ALA THR SEQRES 11 B 571 ASP ALA SER SER LEU VAL CYS TYR ILE THR ARG PHE THR SEQRES 12 B 571 GLU GLU ALA PHE ALA SER LEU ILE CYS ILE ILE PHE ILE SEQRES 13 B 571 TYR GLU ALA ILE GLU LYS LEU ILE HIS LEU ALA GLU THR SEQRES 14 B 571 TYR PRO ILE HIS MET HIS SER GLN LEU ASP HIS LEU SER SEQRES 15 B 571 LEU TYR TYR CYS ARG CYS ALA LEU PRO GLU ASN PRO ASN SEQRES 16 B 571 ASN HIS THR LEU GLN TYR TRP LYS GLU HIS SER ILE PRO SEQRES 17 B 571 THR ALA ASP VAL ASN TRP ALA ASN LEU THR VAL SER GLU SEQRES 18 B 571 CYS GLN GLU MET HIS GLY GLU PHE ILE GLY SER ALA CYS SEQRES 19 B 571 GLY HIS HIS GLY PRO TYR THR PRO ASP VAL LEU PHE TRP SEQRES 20 B 571 SER CYS ILE LEU PHE PHE ALA THR PHE ILE VAL SER SER SEQRES 21 B 571 THR LEU LYS THR PHE LYS THR SER ARG TYR PHE PRO THR SEQRES 22 B 571 ARG VAL ARG SER THR VAL SER ASP PHE ALA VAL PHE LEU SEQRES 23 B 571 THR ILE PHE THR MET VAL ILE LEU ASP PHE LEU ILE GLY SEQRES 24 B 571 VAL PRO SER PRO LYS LEU GLN VAL PRO SER VAL PHE LYS SEQRES 25 B 571 PRO THR ARG ASP ASP ARG GLY TRP PHE ILE SER PRO ILE SEQRES 26 B 571 GLY PRO ASN PRO TRP TRP THR VAL ILE ALA ALA ILE ILE SEQRES 27 B 571 PRO ALA LEU LEU CYS THR ILE LEU ILE PHE MET ASP GLN SEQRES 28 B 571 GLN ILE THR ALA VAL ILE ILE ASN ARG LYS GLU HIS LYS SEQRES 29 B 571 LEU LYS LYS GLY CYS GLY TYR HIS LEU ASP LEU LEU VAL SEQRES 30 B 571 VAL ALA ILE MET LEU GLY VAL CYS SER LEU MET GLY LEU SEQRES 31 B 571 PRO TRP PHE VAL ALA ALA THR VAL LEU SER ILE THR HIS SEQRES 32 B 571 VAL ASN SER LEU LYS LEU GLU SER GLU CYS SER ALA PRO SEQRES 33 B 571 GLY GLU GLN PRO LYS PHE LEU GLY ILE ARG GLU GLN ARG SEQRES 34 B 571 VAL THR GLY LEU MET ILE PHE VAL LEU MET GLY CYS SER SEQRES 35 B 571 VAL PHE MET THR ALA VAL LEU LYS PHE ILE PRO MET PRO SEQRES 36 B 571 VAL LEU TYR GLY VAL PHE LEU TYR MET GLY VAL SER SER SEQRES 37 B 571 LEU GLN GLY ILE GLN PHE PHE ASP ARG LEU LYS LEU PHE SEQRES 38 B 571 GLY MET PRO ALA LYS HIS GLN PRO ASP PHE ILE TYR LEU SEQRES 39 B 571 ARG HIS VAL PRO LEU ARG LYS VAL HIS LEU PHE THR LEU SEQRES 40 B 571 VAL GLN LEU THR CYS LEU VAL LEU LEU TRP VAL ILE LYS SEQRES 41 B 571 ALA SER PRO ALA ALA ILE VAL PHE PRO MET MET VAL LEU SEQRES 42 B 571 ALA LEU VAL PHE VAL ARG LYS VAL MET ASP LEU CYS PHE SEQRES 43 B 571 SER LYS ARG GLU LEU SER TRP LEU ASP ASP LEU MET PRO SEQRES 44 B 571 GLU SER LYS LYS LYS LYS LEU ASP ASP ALA LYS LYS HET NAG C 1 14 HET NAG C 2 14 HET NAG C 3 14 HET NAG D 1 14 HET NAG D 2 14 HET NAG D 3 14 HET NAG A1101 14 HET NA A1102 1 HET CO3 A1103 4 HET NAG B1101 14 HET NA B1102 1 HET CO3 B1103 4 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM NA SODIUM ION HETNAM CO3 CARBONATE ION 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 FORMUL 3 NAG 8(C8 H15 N O6) FORMUL 6 NA 2(NA 1+) FORMUL 7 CO3 2(C O3 2-) HELIX 1 AA1 LEU A 455 ARG A 461 1 7 HELIX 2 AA2 TRP A 467 ASP A 472 1 6 HELIX 3 AA3 CYS A 478 SER A 491 1 14 HELIX 4 AA4 ILE A 494 THR A 504 1 11 HELIX 5 AA5 SER A 509 ALA A 528 1 20 HELIX 6 AA6 THR A 538 CYS A 552 1 15 HELIX 7 AA7 SER A 558 ASP A 581 1 24 HELIX 8 AA8 SER A 583 ILE A 589 5 7 HELIX 9 AA9 THR A 590 TYR A 620 1 31 HELIX 10 AB1 GLN A 627 TYR A 634 5 8 HELIX 11 AB2 ASN A 645 HIS A 655 1 11 HELIX 12 AB3 THR A 659 ASN A 663 5 5 HELIX 13 AB4 THR A 668 MET A 675 1 8 HELIX 14 AB5 ASP A 693 THR A 714 1 22 HELIX 15 AB6 PHE A 715 SER A 718 5 4 HELIX 16 AB7 PRO A 722 PHE A 732 1 11 HELIX 17 AB8 PHE A 732 ILE A 748 1 17 HELIX 18 AB9 PRO A 779 ALA A 786 1 8 HELIX 19 AC1 ALA A 786 ASN A 809 1 24 HELIX 20 AC2 GLY A 820 MET A 838 1 19 HELIX 21 AC3 ALA A 846 LEU A 857 1 12 HELIX 22 AC4 VAL A 880 SER A 892 1 13 HELIX 23 AC5 PRO A 903 LEU A 919 1 17 HELIX 24 AC6 ILE A 922 LYS A 929 1 8 HELIX 25 AC7 ILE A 942 VAL A 947 1 6 HELIX 26 AC8 PRO A 948 ALA A 971 1 24 HELIX 27 AC9 MET A 980 PHE A 996 1 17 HELIX 28 AD1 LYS A 998 SER A 1002 5 5 HELIX 29 AD2 PRO A 1009 ALA A 1019 1 11 HELIX 30 AD3 LEU B 455 ALA B 463 1 9 HELIX 31 AD4 ALA B 463 ASP B 469 1 7 HELIX 32 AD5 GLN B 477 THR B 504 1 28 HELIX 33 AD6 SER B 509 ALA B 528 1 20 HELIX 34 AD7 THR B 538 CYS B 552 1 15 HELIX 35 AD8 SER B 558 ASP B 581 1 24 HELIX 36 AD9 LEU B 585 ILE B 589 5 5 HELIX 37 AE1 THR B 590 TYR B 620 1 31 HELIX 38 AE2 GLN B 627 TYR B 634 5 8 HELIX 39 AE3 ASN B 645 HIS B 655 1 11 HELIX 40 AE4 ALA B 660 TRP B 664 5 5 HELIX 41 AE5 THR B 668 GLN B 673 1 6 HELIX 42 AE6 ASP B 693 THR B 714 1 22 HELIX 43 AE7 PHE B 715 SER B 718 5 4 HELIX 44 AE8 PRO B 722 SER B 727 1 6 HELIX 45 AE9 PHE B 732 ILE B 748 1 17 HELIX 46 AF1 PRO B 763 ASP B 767 5 5 HELIX 47 AF2 PRO B 779 ALA B 786 1 8 HELIX 48 AF3 ALA B 786 ASN B 809 1 24 HELIX 49 AF4 GLY B 820 MET B 838 1 19 HELIX 50 AF5 ALA B 846 LEU B 857 1 12 HELIX 51 AF6 VAL B 880 CYS B 891 1 12 HELIX 52 AF7 SER B 892 PHE B 894 5 3 HELIX 53 AF8 THR B 896 PHE B 901 1 6 HELIX 54 AF9 PRO B 903 LEU B 919 1 17 HELIX 55 AG1 ILE B 922 LYS B 929 1 8 HELIX 56 AG2 PHE B 941 ARG B 945 5 5 HELIX 57 AG3 PRO B 948 SER B 972 1 25 HELIX 58 AG4 VAL B 977 PHE B 996 1 20 HELIX 59 AG5 SER B 997 LEU B 1001 5 5 HELIX 60 AG6 PRO B 1009 ALA B 1019 1 11 SHEET 1 AA1 2 LEU A 535 GLY A 536 0 SHEET 2 AA1 2 VAL A 844 ALA A 845 -1 O VAL A 844 N GLY A 536 SHEET 1 AA2 2 CYS A 636 ALA A 639 0 SHEET 2 AA2 2 GLU A 678 GLY A 681 -1 O ILE A 680 N ARG A 637 SHEET 1 AA3 2 CYS B 636 ALA B 639 0 SHEET 2 AA3 2 GLU B 678 GLY B 681 -1 O ILE B 680 N ARG B 637 SSBOND 1 CYS A 636 CYS A 684 1555 1555 1.98 SSBOND 2 CYS A 638 CYS A 672 1555 1555 2.07 SSBOND 3 CYS B 638 CYS B 672 1555 1555 2.00 LINK O4 NAG C 1 C1 NAG C 2 1555 1555 1.44 LINK O4 NAG C 2 C1 NAG C 3 1555 1555 1.44 LINK O4 NAG D 1 C1 NAG D 2 1555 1555 1.46 LINK O4 NAG D 2 C1 NAG D 3 1555 1555 1.45 LINK OG1 THR A 804 NA NA A1102 1555 1555 2.77 LINK NA NA A1102 O2 CO3 A1103 1555 1555 3.02 LINK OD1 ASP B 800 NA NA B1102 1555 1555 3.13 LINK OD2 ASP B 800 NA NA B1102 1555 1555 2.84 LINK NA NA B1102 O3 CO3 B1103 1555 1555 2.67 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 MTRIX1 1 -1.000000 0.000478 -0.000498 132.74355 1 MTRIX2 1 -0.000477 -1.000000 -0.000439 85.58691 1 MTRIX3 1 -0.000498 -0.000439 1.000000 0.17290 1