2AEM - JenaLib

Title :   CRYSTAL STRUCTURES OF THE MTHK RCK DOMAIN

Authors :   J. Dong, N. Shi, I. Berke, L. Chen, Y. Jiang

Date :   22 Jul 05 (Deposition) - 25 Oct 05 (Release) - 13 Jul 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.80

Chains :   Asym. Unit : A
Biol. Unit 1: A  (2x)

Keywords :   Rossmann Fold, Helix-Turn-Helix, Metal Transport, Membrane Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   J. Dong, N. Shi, I. Berke, L. Chen, Y. Jiang
Structures Of The Mthk Rck Domain And The Effect Of Ca2+ On Gating Ring Stability
J. Biol. Chem. V. 280 41716 2005
PubMed-ID: 16227203 | Reference-DOI: 10.1074/JBC.M508144200
(for further references see the PDB file header)

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (0, 0)

Sites (0, 0)

SS Bonds (0, 0)

Cis Peptide Bonds (0, 0)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

PROSITE Motifs (2, 2)

Exons (0, 0)

Sequences/Alignments

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
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Chain A from PDB  Type:PROTEIN  Length:226
 aligned with MTHK_METTH | O27564 from UniProtKB/Swiss-Prot  Length:336

    Alignment length:226
                                                                                                                                                                                                                                                         336  
                                   122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332   |  
           MTHK_METTH   113 AKSRHVVICGWSESTLECLRELRGSEVFVLAEDENVRKKVLRSGANFVHGDPTRVSDLEKANVRGARAVIVDLESDSETIHCILGIRKIDESVRIIAEAERYENIEQLRMAGADQVISPFVISGRLMSRSIDDGYEAMFVQDVLAEESTRRMVEVPIPEGSKLEGVSVLDADIHDVTGVIIIGVGRGDELIIDPPRDYSFRAGDIILGIGKPEEIERLKNYISA--   -
               SCOP domains d2aema1 A:113-244 Potassium channel-related protein MthK                                                                            d2aema2 A:245-338 Potassium channel-related protein MthK, C-terminal domain                    SCOP domains
               CATH domains 2aemA01 A:113-230 NAD(P)-binding Rossmann-like Domain                                                                 2aemA02 A:231-258           2aemA03 A:259-338 TrkA C-terminal domain-like                                    CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eeee..hhhhhhhhhhh....eeeee.hhhhhhhhhh...eeee....hhhhhhhh......eeee...hhhhhhhhhhhhhhhh....eeee..hhhhhhhhhhhh..eeehhhhhhhhhhhh....hhhhhhhhhhhh.....eeeeee..........hhhhhhhhhhhh.eeeeeee..eee.............eeeeeehhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----RCK_N  PDB: A:117-237 UniProt: 117-237                                                                                   --------------RCK_C  PDB: A:252-336 UniProt: 252-336                                               -- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2aem A 113 AKSRHVVICGWSESTLECLRELRGSEVFVLAEDENVRKKVLRSGANFVHGDPTRVSDLEKANVRGARAVIVDLESDSETIHCILGIRKIDESVRIIAEAERYENIEQLRMAGADQVISPFVISGRLMSRSIDDGYEAMFVQDVLAEESTRRMVEVPIPEGSKLEGVSVLDADIHDVTGVIIIGVGRGDELIIDPPRDYSFRAGDIILGIGKPEEIERLKNYISALV 338
                                   122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332

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	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 '\|'

Classification and Annotation

SCOP Domains (2, 2)

CATH Domains (3, 3)

Pfam Domains (0, 0)

Gene Ontology (10, 10)

Asymmetric Unit(hide GO term definitions)

Chain A (MTHK_METTH | O27564)

molecular function
	GO:0008324	cation transmembrane transporter activity	Enables the transfer of cation from one side of the membrane to the other.
	GO:0042802	identical protein binding	Interacting selectively and non-covalently with an identical protein or proteins.
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
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:0016021	integral component of membrane	The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
	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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