P04632 (CPNS1_HUMAN) Homo sapiens (Human)
Calpain small subunit 1 UniProtKBInterProSTRINGInteractive Modelling
268 aa; Sequence (Fasta)
It is possible new templates exist for this target since these models were created.
However, an attempt to improve models for this target was made on 2025-10-20. The outcome - failed for technical reasons.
Available Structures
9 Experimental Structures
| Description | PDB ID | Oligo-state | Range | Seq id (%) | Ligands | |
|---|---|---|---|---|---|---|
| Crystal Structure of Human m-Calpain Form II |
Heteromer P17655; | 100 | ||||
| Crystal Structure of Human m-Calpain Form I |
Heteromer P17655; | 100 | ||||
| Calpain small subunit 1, RNA-binding protein Hfq |
Heteromer P0A6X3; | 92.44 | 20×CA; 4×GUN; 1×EDO; 2×P4G; | |||
| The Structural Basis of Differential Inhibition of Human Calpain by Indole and Phenyl alpha-Mercapt… | homo-2-mer | 100 | 8×CA; | |||
| Human calpain PEF(S) with (Z)-3-(6-bromondol-3-yl)-2-mercaptoacrylic acid bound | homo-2-mer | 100 | 2×3SU; 8×CA; 4×EDO; | |||
| Human calpain PEF(S) with (2Z,2Z')-2,2'-disulfanediylbis(3-(6-bromoindol-3-yl)acrylic acid) bound | homo-2-mer | 100 | 8×CA; 4×3SU; | |||
| Human calpain PEF(S) with (2Z,2Z')-2,2'-disulfanediylbis(3-(6-iodoindol-3-yl)acrylic acid) bound | homo-2-mer | 100 | 8×CA; 2×57T; 1×SO4; | |||
| The Structural Basis of Differential Inhibition of Human Calpain by Indole and Phenyl alpha-Mercapt… | homo-2-mer | 100 | 2×2UD; 8×CA; | |||
| The Structural Basis of Differential Inhibition of Human Calpain by Indole and Phenyl alpha-Mercapt… | homo-2-mer | 100 | 2×2UB; 8×CA; | |||
7 SWISS-MODEL models
| Template | Oligo-state | QMEAN | Range | Ligands | Trg-Tpl Seq id (%) | |
|---|---|---|---|---|---|---|
| 1nx2.1.B | homo-2-mer | 0.86 | 6×CA; | 97.11 | ||
| 1dtl.1.A | monomer | 0.62 | 20.90 | |||
| 4y99.1.A | monomer | 0.62 | 20.90 | |||
| 6o20.1.C | monomer | 0.57 | 20.74 | |||
| 4il1.2.A | monomer | 0.57 | 20.44 | |||
| 1aj4.1.A | monomer | 0.54 | 20.90 | |||
| 4hex.1.A | homo-2-mer | 0.50 | 19.51 | |||