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Structure of insulin. results of joint neutron and X-ray refinement

Analyse Structure of insulin. results of joint neutron and X-ray refinement in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB: 3INS
Type: protein
Length: 102 residues
Chains: 4
Method: x-ray diffraction; neutron diffraction
Collection: MolNFT v1 / PDB
Contract: 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner: 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule: Insulin (chain a); Insulin (chain B)
UniProt: P01315
Ligands: ZN

Structure

x-ray diffraction; neutron diffraction · 2 distinct chains · 55% helix, 12% strand (DSSP).

Chain	Molecule	Type	Residues	Secondary structure	UniProt
A, C	Insulin (chain a)	protein	21	67% helix, 10% strand	P01315
B, D	Insulin (chain B)	protein	30	47% helix, 13% strand	P01315

Ligands and binding sites

ZN · Zinc ion · metal · 2 copies · chains B, D

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

Interfaces

5 interfaces between chains.

C–D · 927 Å² buried · 14 hydrogen bonds · protein-protein
A–B · 886 Å² buried · 11 hydrogen bonds · protein-protein
B–D · 662 Å² buried · 7 hydrogen bonds · protein-protein
B–C · 59 Å² buried · 0 hydrogen bonds · protein-protein
A–D · 43 Å² buried · 0 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 6 disulfide (disulfide).

Compared structures

3INS · Structure of insulin. results of joint neutron and X-ray refinement · 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 P01315
Elsewhere: RCSB PDB 3INS · PDBe 3INS · UniProt P01315

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