4ZRU: Lymnaea stagnalis acetylcholine binding protein

Name: PDB 4ZRU: X-ray crystal structure of Lymnaea stagnalis acetylcholine binding protein (Ls-AChBP) in complex with 3-[2-[(2S)-pyrrolidin-2-yl]ethynyl]pyridine (TI-5180)
Published: 2015-05-27
License: https://creativecommons.org/publicdomain/zero/1.0/
Keywords: acetylcholine binding protein

X-ray crystal structure of Lymnaea stagnalis acetylcholine binding protein (Ls-AChBP) in complex with 3-[2-[(2S)-pyrrolidin-2-yl]ethynyl]pyridine (TI-5180). Determined by X-ray diffraction at 1.9 Å resolution. Released 27 May 2015.

Method: X-ray diffraction
Resolution: 1.9 Å
Organism: Lymnaea stagnalis
Chains: 10
Atoms: 17,688
Mol. weight: 251.27 kDa
Ligands: PO4, TI9
Released: 27 May 2015

Explore 4ZRU in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4ZRU contains 36 α-helices and 141 β-strands across 10 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.

Chain A: 4 helices, 14 β-strands

Element	Residues	Length	Sheet
α-helix	-6--4	3
α-helix	0-13	14
β-strand	27-42	16	1
β-strand	47-59	13	1
α-helix	61-63	3
β-strand	73-77	5	1
α-helix	78-80	3
β-strand	86-88	3	2
β-strand	91	1	1
β-strand	96-97	2	1
β-strand	102-106	5	1
β-strand	110-113	4	1
β-strand	116-122	7	1
β-strand	134-142	9	2
β-strand	150-154	5	1
β-strand	158-159	2	2
β-strand	171-185	15	2
β-strand	188-203	16	2

Chain B: 4 helices, 14 β-strands

Element	Residues	Length	Sheet
α-helix	0-13	14
α-helix	25-26	2
β-strand	27-42	16	3
β-strand	47-59	13	3
α-helix	61-63	3
β-strand	73-77	5	3
α-helix	78-80	3
β-strand	86-88	3	4
β-strand	91	1	3
β-strand	96-97	2	3
β-strand	102-106	5	3
β-strand	110-113	4	3
β-strand	116-122	7	3
β-strand	134-142	9	4
β-strand	150-154	5	3
β-strand	158-159	2	4
β-strand	171-185	15	4
β-strand	188-203	16	4

Chain C: 4 helices, 14 β-strands

Element	Residues	Length	Sheet
α-helix	3-13	11
α-helix	25-26	2
β-strand	27-42	16	5
β-strand	47-59	13	5
α-helix	61-63	3
β-strand	73-77	5	5
α-helix	78-80	3
β-strand	86-88	3	6
β-strand	91	1	5
β-strand	96-97	2	5
β-strand	102-106	5	5
β-strand	110-113	4	5
β-strand	116-122	7	5
β-strand	134-142	9	6
β-strand	150-154	5	5
β-strand	158-159	2	6
β-strand	171-185	15	6
β-strand	188-203	16	6

Chain D: 4 helices, 14 β-strands

Element	Residues	Length	Sheet
α-helix	1-13	13
α-helix	25-26	2
β-strand	27-42	16	7
β-strand	47-59	13	7
α-helix	61-63	3
β-strand	73-77	5	7
α-helix	78-80	3
β-strand	86-88	3	8
β-strand	91	1	7
β-strand	96-97	2	7
β-strand	102-106	5	7
β-strand	110-113	4	7
β-strand	116-122	7	7
β-strand	134-142	9	8
β-strand	150-154	5	7
β-strand	158-159	2	8
β-strand	171-185	15	8
β-strand	188-203	16	8

Chain E: 3 helices, 14 β-strands

Element	Residues	Length	Sheet
α-helix	2-13	12
β-strand	27-42	16	9
β-strand	47-59	13	9
α-helix	61-63	3
β-strand	73-77	5	9
α-helix	78-80	3
β-strand	86-88	3	10
β-strand	91	1	9
β-strand	96-97	2	9
β-strand	102-106	5	9
β-strand	110-113	4	9
β-strand	116-122	7	9
β-strand	134-142	9	10
β-strand	150-153	4	9
β-strand	158-159	2	10
β-strand	171-185	15	10
β-strand	188-203	16	10

Chain F: 4 helices, 16 β-strands

Element	Residues	Length	Sheet
α-helix	0-13	14
β-strand	22	1	11
β-strand	25	1	11
α-helix	26	1
β-strand	27-42	16	12
β-strand	47-59	13	12
α-helix	61-63	3
β-strand	73-77	5	12
α-helix	78-80	3
β-strand	86-88	3	13
β-strand	91	1	12
β-strand	96-97	2	12
β-strand	102-106	5	12
β-strand	110-113	4	12
β-strand	116-122	7	12
β-strand	134-142	9	13
β-strand	150-154	5	12
β-strand	158-159	2	13
β-strand	171-185	15	13
β-strand	188-203	16	13

Chain G: 3 helices, 13 β-strands

Element	Residues	Length	Sheet
α-helix	0-13	14
β-strand	27-42	16	14
β-strand	47-59	13	14
α-helix	61-63	3
β-strand	73-77	5	14
α-helix	78-80	3
β-strand	86-88	3	15
β-strand	91	1	14
β-strand	96-97	2	14
β-strand	102-106	5	14
β-strand	110-113	4	14
β-strand	116-122	7	14
β-strand	134-142	9	15
β-strand	150-153	4	14
β-strand	171-185	15	15
β-strand	188-203	16	15

Chain H: 4 helices, 14 β-strands

Element	Residues	Length	Sheet
α-helix	1-13	13
α-helix	25-26	2
β-strand	27-42	16	16
β-strand	47-59	13	16
α-helix	61-63	3
β-strand	73-77	5	16
α-helix	78-80	3
β-strand	86-88	3	17
β-strand	91	1	16
β-strand	96-97	2	16
β-strand	102-106	5	16
β-strand	110-113	4	16
β-strand	116-122	7	16
β-strand	134-142	9	17
β-strand	150-153	4	16
β-strand	158-159	2	17
β-strand	172-183	12	17
β-strand	192-202	11	17

2 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Acetylcholine-binding protein	A, B, C, D, E, F, G, H, I, J	protein	218	Lymnaea stagnalis	P58154 (AlphaFold model)

Sequence of entity 1 (A, B, C, D, E, F, G, H, I, J), FASTA

>4ZRU_1 Acetylcholine-binding protein (chains A, B, C, D, E, F, G, H, I, J)
DYKDDDDKLDRADILYNIRQTSRPDVIPTQRDRPVAVSVSLKFINILEVNEITNEVDVVF
WQQTTWSDRTLAWNSSHSPDQVSVPISSLWVPDLAAYNAISKPEVLTPQLARVVSDGEVL
YMPSIRQRFSCDVSGVDTESGATCRIKIGSWTHHSREISVDPTTENSDDSEYFSQYSRFE
ILDVTQKKNSVTYSCCPEAYEDVEVSLNFRKKGRSEIL

Ligands and cofactors

ID	Name	Formula	Copies
PO4	Phosphate ion	O4 P	10
TI9	3-[(2S)-pyrrolidin-2-ylethynyl]pyridine	C11 H12 N2	10

Primary citation

Comparisons of Binding Affinities for Neuronal Nicotinic Receptors (NNRs) and AChBPs, and Structural Features of a High-Affinity, Non-selective NNR Ligand-AChBP Co-crystal Structure. Talley, T.T. To be published.

Other PDB entries of the same protein (UniProt P58154 (AlphaFold model), which also has an AlphaFold model), best resolution first:

7NDV 1.7 Å, X-ray structure of acetylcholine-binding protein (AChBP) in complex with FL001888.
4ZK1 1.75 Å, Crystal Structure of Lymnaea stagnalis Acetylcholine-Binding Protein (LsAChBP) in…
4ZJT 1.85 Å, X-ray crystal structure of Lymnaea stagnalis acetylcholine binding protein (LsAChBP) in…
8P11 1.9 Å, X-ray structure of acetylcholine-binding protein (AChBP) in complex with FL003044.
7NDP 2.0 Å, X-ray structure of acetylcholine-binding protein (AChBP) in complex with FL001856.
7PD6 2.0 Å, Crystal structure of Lymnaea stagnalis Acetylcholine-binding protein (Ls-AChBP)…
7PE6 2.01 Å, Crystal structure of Lymnaea stagnalis Acetylcholine-binding protein (Ls-AChBP)…
5J5G 2.04 Å, X-Ray Crystal Structure of Acetylcholine Binding Protein (AChBP) in Complex with…
5J5F 2.04 Å, X-Ray Crystal Structure of Acetylcholine Binding Protein (AChBP) in Complex with…
3WTN 2.09 Å, Crystal Structure of Lymnaea stagnalis Acetylcholine Binding Protein Complexed with…
4QAC 2.1 Å, X-RAY STRUCTURE OF ACETYLCHOLINE BINDING PROTEIN (ACHBP) IN COMPLEX WITH…
7PE5 2.1 Å, Crystal structure of Lymnaea stagnalis Acetylcholine-binding protein (Ls-AChBP)…

Browse structure collections

About this viewer

MolViewer shows 4ZRU directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.