6zko : EncoMPASS

6zko
General information about the complete biological unit of each membrane protein structure.

The orientation in the lipid bilayer is either taken directly from OPM or generated using the related routine PPM; the title is taken from the OPM database. However, the structure shown may be modified from the coordinate file retrievable from OPM or the PDB, because of inconsistencies with the definition of the biological unit. The coordinate file is downloadable, as is a PyMOL script for visualizing the structure.

Native complex I, closed

Number of Chains: 45
Number of TM Chains: 21
Amino Acids: 8220
Method: ELECTRON MICROSCOPY
Resolution: 3.8 Å
Uniprot: W5PUX0       W5NRY1       W5QB34       W5PB27       O78753       O78747       O78757       O78754       O78756       O78755       O78748       A0A6P3E4K7       A0A6P3E6Y9       W5NQT7       A0A6P3EAP5       W5PE07       W5PI58       A0A6P3E5Z9       W5PNX7       W5QC06code21=W5P0I2code22=A0A6P3CXE3code23=W5QBF5code24=A0A6P3DY32code25=W5NYM7code26=A0A6P3E8V0code27=W5P9Q8code28=W5QF73code29=W5PZE3code30=W5P5V3code31=W5PGA3code32=A0A6P3EC72code33=W5Q1B0code34=W5PWF1      
Links: PDB      OPM      PDBTM 
Coordinates The structure shown may be modified from the coordinate file retrievable from OPM or from the PDB because of inconsistencies with the definition of the biological unit.

Structure Relationships
A list of chains contained in the biological unit and their relationships to other structures in the database.

Details include: (i) the predominant secondary structure (alpha or beta), (ii) the number of transmembrane regions according to our algorithm, and (iii-v) the number of neighbors according to comparisons using sequence (iii), structure (iv), or both (v).

Two chains are designated sequence neighbors when the sequence identity in the MUSCLE alignment is ≥0.85. Two chains are assigned as structural neighbors when the Fr-TM-Align structure alignment led to a TM-score of ≥0.6.

Member Class TM Domains Seq Neighbors Struct Neighbors All Neighbors Symmetry
6zko_A alpha 3 34 64 64 na
6zko_H alpha 7 34 67 67 na
6zko_J alpha 5 34 60 60 na
6zko_K alpha 3 33 75 75 na
6zko_L alpha 17 34 158 158 R
6zko_M alpha 13 34 198 198 R
6zko_N alpha 11 34 130 130 R
6zko_V alpha 4 27 34 34 R
6zko_W alpha 1 34 1774 1774 na
6zko_m alpha 1 34 46 46 na
6zko_n alpha 1 26 293 293 na
6zko_o alpha 2 34 61 61 na
6zko_p alpha 1 34 1226 1226 na
6zko_q alpha 1 34 45 45 na
6zko_r alpha 1 34 526 526 na
6zko_u alpha 1 36 879 879 na
6zko_v alpha 1 35 43 43 na
6zko_w alpha 1 39 487 487 na
6zko_x alpha 1 34 1250 1250 na
6zko_y alpha 1 32 296 296 na
6zko_z alpha 1 34 210 210 na

Standard Symmetry Detection
Raw output from two symmetry detection programs: CE-Symm and SymD.

Structures were processed using CE-Symm and SymD with default options. For CE-Symm, if no symmetry was detected (reported as Order = C1), no image is provided. When symmetry is detected, different colors are used to represent the repeated elements with respect to a given symmetry axis and the PyMOL script for generating the representations is provided. [Note that CE-Symm calculations were carried out with a random seed of 3, 5, or 10, from which the result with the highest number of repeats and/or highest number of aligned residues is reported.]

For SymD, which does not report repeats information, the aligned residues (capital letters in the FASTA files) are colored blue and the accompanying PyMOL script generates this representation. [Note that SymD does not report symmetry order and so here, the order has been predicted based on the unit angle provided by the program.]

To interpret the repeat definitions, see the FAQ.

CE-Symm   2.2

Order: C1
Angle: 95.97
Translation: 24.79
RMSD: 0.0
TM-Score: 0.0
Coverage: 0.0
See additional CE-Symm data
View alignment(s)

SymD   1.6

Order: 46
Angle: 7.8
Translation: -0.15
RMSD: 3.659
TM-Score: 0.22
Coverage: 0.73
See additional SymD data
View alignment(s)

Multi-step Symmetry Detection
Consensus results from processing with SymD, CE-Symm and QuatSymm with default and customized parameters

These results were filtered using rules that take into account the restraints imposed by the membrane environment (e.g., an alpha-helical repeat should contain at least two transmembrane spans to be functionally relevant) and that consider coverage and symmetry levels. Only symmetries between repeats that are at least partially located in the membrane are considered. Note that for multi-chain complexes the order of the chains is important for symmetry detection and is therefore also reported.

No quaternary symmetry found in the membrane-bound region during analysis. For internal symmetry, please check the specific chain page.