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Title :   RECTANGULAR-SHAPED OCTAMERIC RING STRUCTURE OF AN RCK DOMAIN WITH NADH BOUND

Authors :   R. A. Albright, J. H. Morais-Cabral

Date :   11 Jul 06 (Deposition) - 26 Sep 06 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.70

Chains :   Asym. Unit : A,B,C,D
Biol. Unit 1: A,B,C,D  (2x)

Keywords :   Rck, Ktn, Ktr, Ktra, Ktrab, Membrane Protein, Ion Transporter, Symporter (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   R. A. Albright, J. L. Ibar, C. U. Kim, S. M. Gruner, J. H. Morais-Cabral
The Rck Domain Of The Ktrab K(+) Transporter: Multiple Conformations Of An Octameric Ring.
Cell(Cambridge, Mass. ) V. 126 1147 2006
PubMed-ID: 16990138 | Reference-DOI: 10.1016/J.CELL.2006.08.028
(for further references see the PDB file header)

Molecule 1 - YUAA PROTEIN
	Chains	:	A, B, C, D
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI BL21(DE3)
	Expression System Plasmid	:	PET15B
	Expression System Strain	:	BL21(DE3)
	Expression System Taxid	:	469008
	Expression System Vector Type	:	PLASMID
	Fragment	:	RCK CORE DOMAIN (KTN), RESIDUES 1-144
	Gene	:	YUAA
	Mutation	:	YES
	Organism Scientific	:	BACILLUS SUBTILIS
	Organism Taxid	:	1423

		1	2	3	4
Asymmetric Unit	:	A	B	C	D
Biological Unit 1 (2x)	:	A	B	C	D

Summary Information (see also Sequences/Alignments below)

Asymmetric Unit (1, 4)

No.	Name	Count	Type	Full Name
1	NAI	4	Ligand/Ion	1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE

Biological Unit 1 (1, 8)

No.	Name	Count	Type	Full Name
1	NAI	8	Ligand/Ion	1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE

Asymmetric Unit (4, 4)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	GLY A:13 , GLY A:15 , ARG A:16 , ASP A:36 , ILE A:37 , ASN A:38 , ALA A:55 , ASN A:56 , ALA A:57 , ILE A:78 , GLY A:79 , ALA A:80 , LYS A:103 , GLU B:125 , NAI B:602	BINDING SITE FOR RESIDUE NAI A 601
2	AC2	SOFTWARE	NAI A:601 , GLY B:13 , LEU B:14 , GLY B:15 , ARG B:16 , ASP B:36 , ILE B:37 , ASN B:38 , LYS B:41 , ALA B:55 , ASN B:56 , ALA B:57 , THR B:58 , ILE B:78 , GLY B:79 , ALA B:80 , LYS B:103 , HOH B:604	BINDING SITE FOR RESIDUE NAI B 602
3	AC3	SOFTWARE	GLY C:13 , GLY C:15 , ARG C:16 , ASP C:36 , ILE C:37 , ASN C:38 , LYS C:41 , ALA C:55 , ASN C:56 , ALA C:57 , ILE C:78 , GLY C:79 , ALA C:80 , LYS C:103 , GLN C:105 , GLU D:125 , NAI D:604	BINDING SITE FOR RESIDUE NAI C 603
4	AC4	SOFTWARE	GLU C:125 , NAI C:603 , GLY D:13 , GLY D:15 , ARG D:16 , ASP D:36 , ILE D:37 , ASN D:38 , LYS D:41 , ALA D:55 , ASN D:56 , ALA D:57 , ILE D:78 , GLY D:79 , ALA D:80 , LYS D:103 , GLN D:105 , HOH D:610	BINDING SITE FOR RESIDUE NAI D 604

(no "SS Bond" information available for 2HMS)

(no "Cis Peptide Bond" information available for 2HMS)

(no "SAP(SNP)/Variant" information available for 2HMS)

Asymmetric Unit (2, 8)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	RCK_N	PS51201	RCK N-terminal domain profile.	KTRA_BACSU	8-129	4	A:8-129 B:8-129 C:8-129 D:8-129
2	RCK_C	PS51202	RCK C-terminal domain profile.	KTRA_BACSU	139-222	4	A:139-144 B:139-140 C:139-144 D:139-140

Biological Unit 1 (2, 16)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	RCK_N	PS51201	RCK N-terminal domain profile.	KTRA_BACSU	8-129	8	A:8-129 B:8-129 C:8-129 D:8-129
2	RCK_C	PS51202	RCK C-terminal domain profile.	KTRA_BACSU	139-222	8	A:139-144 B:139-140 C:139-144 D:139-140

(no "Exon" information available for 2HMS)

Asymmetric Unit

Reformat:	Number of residues per line = ('0' or empty: single-line sequence representation)
	Number of residues per labelling interval =
	UniProt sequence: complete aligned part

Show mapping:	SCOP domains	CATH domains	Pfam domains	Secondary structure (by author)
	SAPs(SNPs)	PROSITE motifs	Exons
	(details for a mapped element are shown in a popup box when the mouse pointer rests over it)

Chain A from PDB  Type:PROTEIN  Length:138
 aligned with KTRA_BACSU | O32080 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:138
                                    16        26        36        46        56        66        76        86        96       106       116       126       136        
           KTRA_BACSU     7 KQFAVIGLGRFGGSICKELHRMGHEVLAVDINEEKVNAYASYATHAVIANATEENELLSLGIRNFEYVIVAIGANIQASTLTTLLLKELDIPNIWVKAQNYYHHKVLEKIGADRIIHPEKDMGVKIAQSLSDENVLNY 144
               SCOP domains d2hmsa_ A: Ktn bsu222                                                                                                                      SCOP domains
               CATH domains 2hmsA00 A:7-144 NAD(P)-binding Rossmann-like Domain                                                                                        CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .eeeee..hhhhhhhhhhhhhh..eeeeee.hhhhhhhhhhhh.eeee....hhhhhhhhhhhhh.eeee....hhhhhhhhhhhh......eeeee..hhhhhhhhhhhh..eeehhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -RCK_N  PDB: A:8-129 UniProt: 8-129                                                                                        ---------RCK_C  PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2hms A   7 KQFAVIGLGRFGGSIVKELHRMGHEVLAVDINEEKVNAYASYATHAVIANATEENELLSLGIRNFEYVIVAIGANIQASTLTTLLLKELDIPNIWVKAQNYYHHKVLEKIGADRIIHPEKDMGVKIAQSLSDENVLNY 144
                                    16        26        36        46        56        66        76        86        96       106       116       126       136

Chain B from PDB  Type:PROTEIN  Length:134
 aligned with KTRA_BACSU | O32080 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:134
                                    16        26        36        46        56        66        76        86        96       106       116       126       136    
           KTRA_BACSU     7 KQFAVIGLGRFGGSICKELHRMGHEVLAVDINEEKVNAYASYATHAVIANATEENELLSLGIRNFEYVIVAIGANIQASTLTTLLLKELDIPNIWVKAQNYYHHKVLEKIGADRIIHPEKDMGVKIAQSLSDEN 140
               SCOP domains d2hmsb_ B: Ktn bsu222                                                                                                                  SCOP domains
               CATH domains 2hmsB00 B:7-140 NAD(P)-binding Rossmann-like Domain                                                                                    CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeee..hhhhhhhhhhhhhh...eeeee.hhhhhhhh.....eeee....hhhhhhh.hhhhh.eeee....hhhhhhhhhhhhhhh...eeeee..hhhhhhhhhhhh..eeehhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -RCK_N  PDB: B:8-129 UniProt: 8-129                                                                                        ---------RC PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2hms B   7 KQFAVIGLGRFGGSIVKELHRMGHEVLAVDINEEKVNAYASYATHAVIANATEENELLSLGIRNFEYVIVAIGANIQASTLTTLLLKELDIPNIWVKAQNYYHHKVLEKIGADRIIHPEKDMGVKIAQSLSDEN 140
                                    16        26        36        46        56        66        76        86        96       106       116       126       136

Chain C from PDB  Type:PROTEIN  Length:138
 aligned with KTRA_BACSU | O32080 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:138
                                    16        26        36        46        56        66        76        86        96       106       116       126       136        
           KTRA_BACSU     7 KQFAVIGLGRFGGSICKELHRMGHEVLAVDINEEKVNAYASYATHAVIANATEENELLSLGIRNFEYVIVAIGANIQASTLTTLLLKELDIPNIWVKAQNYYHHKVLEKIGADRIIHPEKDMGVKIAQSLSDENVLNY 144
               SCOP domains d2hmsc_ C: Ktn bsu222                                                                                                                      SCOP domains
               CATH domains 2hmsC00 C:7-144 NAD(P)-binding Rossmann-like Domain                                                                                        CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..eeee..hhhhhhhhhhhhhh...eeeee.hhhhhhhhhhhh.eeee....hhhhhhhhhhhhh.eeee....hhhhhhhhhhhh......eeeee..hhhhhhhhhhhh..eeehhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -RCK_N  PDB: C:8-129 UniProt: 8-129                                                                                        ---------RCK_C  PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2hms C   7 KQFAVIGLGRFGGSIVKELHRMGHEVLAVDINEEKVNAYASYATHAVIANATEENELLSLGIRNFEYVIVAIGANIQASTLTTLLLKELDIPNIWVKAQNYYHHKVLEKIGADRIIHPEKDMGVKIAQSLSDENVLNY 144
                                    16        26        36        46        56        66        76        86        96       106       116       126       136

Chain D from PDB  Type:PROTEIN  Length:134
 aligned with KTRA_BACSU | O32080 from UniProtKB/Swiss-Prot  Length:222

    Alignment length:134
                                    16        26        36        46        56        66        76        86        96       106       116       126       136    
           KTRA_BACSU     7 KQFAVIGLGRFGGSICKELHRMGHEVLAVDINEEKVNAYASYATHAVIANATEENELLSLGIRNFEYVIVAIGANIQASTLTTLLLKELDIPNIWVKAQNYYHHKVLEKIGADRIIHPEKDMGVKIAQSLSDEN 140
               SCOP domains d2hmsd_ D: Ktn bsu222                                                                                                                  SCOP domains
               CATH domains 2hmsD00 D:7-140 NAD(P)-binding Rossmann-like Domain                                                                                    CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeee..hhhhhhhhhhhhhh...eeeee.hhhhhhhh.....eeee....hhhhhhh.hhhhh.eeee....hhhhhhhhhhhhhhh...eeeee..hhhhhhhhhhhh..eeehhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -RCK_N  PDB: D:8-129 UniProt: 8-129                                                                                        ---------RC PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2hms D   7 KQFAVIGLGRFGGSIVKELHRMGHEVLAVDINEEKVNAYASYATHAVIANATEENELLSLGIRNFEYVIVAIGANIQASTLTTLLLKELDIPNIWVKAQNYYHHKVLEKIGADRIIHPEKDMGVKIAQSLSDEN 140
                                    16        26        36        46        56        66        76        86        96       106       116       126       136

Legend:		→ Mismatch	(orange background)
	-	→ Gap	(green background, '-', border residues have a numbering label)
		→ Modified Residue	(blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
	x	→ Chemical Group	(purple background, 'x', labelled with number + name, e.g. ACE or NH2)
	extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '\|'

Asymmetric Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: Alpha and beta proteins (a/b) (23833)

Fold: NAD(P)-binding Rossmann-fold domains (1604)

Superfamily: NAD(P)-binding Rossmann-fold domains (1604)

Family: Potassium channel NAD-binding domain (19)

Protein domain: Ktn bsu222 (6)

Bacillus subtilis [TaxId: 1423] (6)

1a	d2hmsa_	A:
1b	d2hmsb_	B:
1c	d2hmsc_	C:
1d	d2hmsd_	D:

Asymmetric Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Alpha Beta (26913)

Architecture: 3-Layer(aba) Sandwich (12045)

Topology: Rossmann fold (7312)

Homologous Superfamily: NAD(P)-binding Rossmann-like Domain (1244)

Bacillus subtilis. Organism_taxid: 1423. (9)

1a	2hmsA00	A:7-144
1b	2hmsC00	C:7-144
1c	2hmsB00	B:7-140
1d	2hmsD00	D:7-140

(no "Pfam Domain" information available for 2HMS)

Asymmetric Unit(hide GO term definitions)

Chain A,B,C,D (KTRA_BACSU | O32080)

molecular function
	GO:0008324	cation transmembrane transporter activity	Enables the transfer of cation from one side of the membrane to the other.
biological process
	GO:0098655	cation transmembrane transport	A process in which a cation is transported from one side of a membrane to the other by means of some agent such as a transporter or pore.
	GO:0006811	ion transport	The directed movement of charged atoms or small charged molecules into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
	GO:0006813	potassium ion transport	The directed movement of potassium ions (K+) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
	GO:0006810	transport	The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
cellular component
	GO:0016020	membrane	A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
	GO:0005886	plasma membrane	The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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	KTRA_BACSU \| O32080	:	1lsu 2hmt 2hmu 2hmv 2hmw 4j7c 4j90 4j91 5but

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