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Structure of barley starch synthase I in complex with maltooligosaccharide

Analyse Structure of barley starch synthase I in complex with maltooligosaccharide in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB: 4HLN
Type: protein
Length: 504 residues
Chains: 1
Method: x-ray diffraction
Collection: MolNFT v1 / PDB
Contract: 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner: 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule: Starch synthase I
EC: 2.4.1.21
UniProt: Q9M5A3
Ligands: GLC
Pockets: 4 · best druggability 0.76

Structure

x-ray diffraction · 1 distinct chain · 40% helix, 20% strand (DSSP).

Chain	Molecule	Type	Residues	Secondary structure	UniProt
A	Starch synthase I (EC 2.4.1.21)	protein	504	40% helix, 20% strand	Q9M5A3

Ligands and binding sites

GLC · alpha-D-glucopyranose · sugar · 5 copies · chains A

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

4 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.

Pocket	Volume (Å³)	Druggability	Buriedness	Lining residues	Inside
1	473	0.76	0.84	65	empty
2	271	0.67	0.82	46	empty
3	119	0.49	0.80	19	empty
4	55	0.33	0.77	11	empty

Modifications

Observed in the structure: 1 disulfide (disulfide).

Compared structures

4HLN · Structure of barley starch synthase I in complex with maltooligosaccharide · the same entry in another collection · chain A against A, TM-score 1.00

Analyse

Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
Every structure of UniProt Q9M5A3
Elsewhere: RCSB PDB 4HLN · PDBe 4HLN · UniProt Q9M5A3

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