MolNFT v1 · #30514 · protein

Carboxysome shell protein CCMK4, crystal form 2

2A18 · Carbon dioxide concentrating mechanism protein ccmk homolog…: “Carboxysome shell protein CCMK4, crystal form 2”. X-ray diffraction, 1 ligand (NH4). MolNFT v1 #30514 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB: 2A18
Type: protein
Length: 312 residues
Chains: 3
Method: x-ray diffraction
Collection: MolNFT v1 / PDB
Contract: 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner: 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule: Carbon dioxide concentrating mechanism protein ccmk homolog 4
UniProt: P73407
Ligands: NH4

Structure

x-ray diffraction · 1 distinct chain · 45% helix, 33% strand (DSSP).

Chain	Molecule	Type	Residues	Secondary structure	UniProt
A, B, C	Carbon dioxide concentrating mechanism protein ccmk homolog 4	protein	104	45% helix, 33% strand	P73407

Ligands and binding sites

NH4 · Ammonium ion · ion · 3 copies · chains A, B, C

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

Interfaces

2 interfaces between chains.

A–B · 1118 Å² buried · 9 hydrogen bonds · protein-protein
A–C · 1112 Å² buried · 9 hydrogen bonds · protein-protein

Compared structures

2A18 · carboxysome shell protein ccmK4, crystal form 2 · the same entry in another collection · chain A against A, TM-score 1.00
P73407 · AlphaFold monomer V2.0 prediction for carboxysome shell protein CCMK4 (P73407) · a predicted model of the same protein · chain B 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 P73407
Elsewhere: RCSB PDB 2A18 · PDBe 2A18 · UniProt P73407

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