6PLZ: Zebra fish alpha-1 glycine receptor

CryoEM structure of zebra fish alpha-1 glycine receptor bound with GABA in SMA, closed state. Determined by electron microscopy at 3.0 Å resolution. Released 6 Jan 2021.

Method: Electron microscopy
Resolution: 3.0 Å
Organism: Danio rerio
Chains: 5
Atoms: 14,210
Mol. weight: 266.14 kDa
Ligands: ABU
Released: 6 Jan 2021

Explore 6PLZ in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6PLZ contains 68 α-helices and 82 β-strands across 5 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chains A and C: 14 helices, 17 β-strands

Element	Residues	Length	Sheet
α-helix	26-33	8
α-helix	37-39	3
α-helix	52	1
β-strand	53-68	16	1
β-strand	73-85	13	1
α-helix	87-89	3
α-helix	103-108	6
β-strand	114-116	3	2
β-strand	122-123	2	1
β-strand	132-136	5	1
β-strand	141-150	10	1
β-strand	153	1	1
β-strand	165-168	4	3
β-strand	171-174	4	2
β-strand	182-186	5	1
β-strand	192-194	3	1
β-strand	203-205	3	3
β-strand	210-213	4	2
β-strand	216	1	4
β-strand	223	1	4
β-strand	225-229	5	2
β-strand	230-234	5	3
α-helix	235	1
α-helix	237-239	3
α-helix	240-244	5
α-helix	245-253	9
α-helix	256-258	3
α-helix	265-284	20
α-helix	299-311	13
α-helix	315-323	9
α-helix	391-426	36

Chain B: 14 helices, 17 β-strands

Element	Residues	Length	Sheet
α-helix	26-34	9
α-helix	37-39	3
α-helix	52	1
β-strand	53-68	16	5
β-strand	73-85	13	5
α-helix	87-89	3
α-helix	103-108	6
β-strand	114-116	3	6
β-strand	122-123	2	5
β-strand	132-136	5	5
β-strand	141-150	10	5
β-strand	153	1	5
β-strand	165-168	4	7
β-strand	171-174	4	6
β-strand	182-186	5	5
β-strand	192-194	3	5
β-strand	203-205	3	7
β-strand	210-213	4	6
β-strand	216	1	8
β-strand	223	1	8
β-strand	225-229	5	6
β-strand	230-234	5	7
α-helix	235	1
α-helix	237-239	3
α-helix	240-244	5
α-helix	245-253	9
α-helix	256-258	3
α-helix	265-284	20
α-helix	299-311	13
α-helix	315-324	10
α-helix	391-426	36

Chain D: 13 helices, 17 β-strands

Element	Residues	Length	Sheet
α-helix	26-34	9
α-helix	37-39	3
α-helix	52	1
β-strand	53-68	16	13
β-strand	73-85	13	13
α-helix	87-89	3
α-helix	103-108	6
β-strand	114-116	3	14
β-strand	122-123	2	13
β-strand	132-136	5	13
β-strand	141-150	10	13
β-strand	153	1	13
β-strand	165-168	4	15
β-strand	171-174	4	14
β-strand	182-186	5	13
β-strand	192-194	3	13
β-strand	203-205	3	15
β-strand	210-213	4	14
β-strand	216	1	16
β-strand	223	1	16
β-strand	225-229	5	14
β-strand	230-234	5	15
α-helix	237-239	3
α-helix	240-244	5
α-helix	245-253	9
α-helix	256-258	3
α-helix	265-284	20
α-helix	299-311	13
α-helix	315-324	10
α-helix	391-426	36

Chain E: 13 helices, 14 β-strands

Element	Residues	Length	Sheet
α-helix	26-34	9
α-helix	37-39	3
α-helix	52	1
β-strand	53-68	16	17
β-strand	73-85	13	17
α-helix	87-89	3
α-helix	103-108	6
β-strand	114-116	3	18
β-strand	122-123	2	17
β-strand	132-136	5	17
β-strand	141-150	10	17
β-strand	153	1	17
β-strand	165-174	10	18
β-strand	182-186	5	17
β-strand	192-194	3	17
β-strand	203-213	11	18
β-strand	216	1	19
β-strand	223	1	19
β-strand	225-234	10	18
α-helix	237-239	3
α-helix	240-244	5
α-helix	245-253	9
α-helix	256-258	3
α-helix	265-284	20
α-helix	299-311	13
α-helix	315-324	10
α-helix	391-426	36

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Glycine receptor subunit alphaZ1	A, B, C, D, E	protein	458	Danio rerio	O93430 (AlphaFold model)

Sequence of entity 1 (A, B, C, D, E), FASTA

>6PLZ_1 Glycine receptor subunit alphaZ1 (chains A, B, C, D, E)
MFALGIYLWETIVFFSLAASQQAAARKAASPMPPSEFLDKLMGKVSGYDARIRPNFKGPP
VNVTCNIFINSFGSIAETTMDYRVNIFLRQQWNDPRLAYSEYPDDSLDLDPSMLDSIWKP
DLFFANEKGANFHEVTTDNKLLRISKNGNVLYSIRITLVLACPMDLKNFPMDVQTCIMQL
ESFGYTMNDLIFEWDEKGAVQVADGLTLPQFILKEEKDLRYCTKHYNTGKFTCIEARFHL
ERQMGYYLIQMYIPSLLIVILSWVSFWINMDAAPARVGLGITTVLTMTTQSSGSRASLPK
VSYVKAIDIWMAVCLLFVFSALLEYAAVNFIARQHKELLRFQRRRRHLKEDEAGDGRFSF
AAYGMGPACLQAKDGMAIKGNNNNAPTSTNPPEKTVEEMRKLFISRAKRIDTVSRVAFPL
VFLIFNIFYWITYKIIRSEDIHKQLVPRGSHHHHHHHH

Ligands and cofactors

ID	Name	Formula	Copies
ABU	Gamma-amino-butanoic acid	C4 H9 N O2	5

Primary citation

Mechanism of gating and partial agonist action in the glycine receptor. Yu, J., Zhu, H., Lape, R. et al. Cell (2021) 184:957-968.e21. DOI 10.1016/j.cell.2021.01.026 · PubMed

Other PDB entries of the same protein (UniProt O93430 (AlphaFold model), which also has an AlphaFold model), best resolution first:

7M6N 2.61 Å, Full length alpha1 Glycine receptor in presence of 0.1mM Glycine
7U2N 2.8 Å, A novel compound mimics the structural and functional effects of the full agonist…
7M6O 2.84 Å, Full length alpha1 Glycine receptor in presence of 0.1mM Glycine and 32uM…
6PLX 2.9 Å, CryoEM structure of zebra fish alpha-1 glycine receptor bound with GABA in SMA,…
6PLY 2.9 Å, CryoEM structure of zebra fish alpha-1 glycine receptor bound with GABA in SMA, open state
6PM6 2.9 Å, CryoEM structure of zebra fish alpha-1 glycine receptor bound with Glycine in SMA, open…
6PXD 2.9 Å, CryoEM structure of zebra fish alpha-1 glycine receptor, Apo state
7U2M 2.9 Å, A novel compound mimics the structural and functional effects of the full agonist…
7M6Q 2.91 Å, Full length alpha1 Glycine receptor in presence of 1mM Glycine and 32uM…
6PLS 3.0 Å, CryoEM structure of zebra fish alpha-1 glycine receptor bound with taurine in nanodisc,…
6PLW 3.0 Å, CryoEM structure of zebra fish alpha-1 glycine receptor bound with GABA in SMA,…
6PM1 3.0 Å, CryoEM structure of zebra fish alpha-1 glycine receptor bound with Taurine in SMA,…

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