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Potassium Channel KcsA-Fab complex in high concentration of K+

Source organisms:
Biochemical function: not assigned
Biological process: not assigned
Cellular component: not assigned

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GO terms

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Sequence family

Pfam Protein family (Pfam)
PF07885
Domain description: Ion channel
Occurring in:
  1. pH-gated potassium channel KcsA
The deposited structure of PDB entry 1k4c contains 1 copy of Pfam domain PF07885 (Ion channel) in pH-gated potassium channel KcsA. Showing 1 copy in chain C.

InterPro InterPro annotations
IPR003597
Domain description: Immunoglobulin C1-set
Occurring in:
  1. antibody Fab fragment heavy chain
  2. antibody Fab fragment light chain
IPR013106
Domain description: Immunoglobulin V-set domain
Occurring in:
  1. antibody Fab fragment heavy chain
  2. antibody Fab fragment light chain
IPR036179
Domain description: Immunoglobulin-like domain superfamily
Occurring in:
  1. antibody Fab fragment heavy chain
  2. antibody Fab fragment light chain
IPR013783
Domain description: Immunoglobulin-like fold
Occurring in:
  1. antibody Fab fragment heavy chain
  2. antibody Fab fragment light chain
IPR007110
Domain description: Immunoglobulin-like domain
Occurring in:
  1. antibody Fab fragment heavy chain
  2. antibody Fab fragment light chain
IPR003599
Domain description: Immunoglobulin subtype
Occurring in:
  1. antibody Fab fragment heavy chain
  2. antibody Fab fragment light chain
IPR013099
Domain description: Potassium channel domain
Occurring in:
  1. pH-gated potassium channel KcsA
IPR003006
Domain description: Immunoglobulin/major histocompatibility complex, conserved site
Occurring in:
  1. antibody Fab fragment light chain
IPR003598
Domain description: Immunoglobulin subtype 2
Occurring in:
  1. antibody Fab fragment light chain

Structure domains

CATH CATH domains
2.60.40.10
Class: Mainly Beta
Architecture: Sandwich
Topology: Immunoglobulin-like
Homology: Immunoglobulins
Occurring in:
  1. antibody Fab fragment heavy chain
  2. antibody Fab fragment light chain
The deposited structure of PDB entry 1k4c contains 2 copies of CATH domain 2.60.40.10 (Immunoglobulin-like) in antibody Fab fragment heavy chain. Showing 2 copies in chain A.
The deposited structure of PDB entry 1k4c contains 2 copies of CATH domain 2.60.40.10 (Immunoglobulin-like) in antibody Fab fragment light chain. Showing 2 copies in chain B.
1.10.287.70
Class: Mainly Alpha
Architecture: Orthogonal Bundle
Topology: Helix Hairpins
Homology: Helix Hairpins
Occurring in:
  1. pH-gated potassium channel KcsA
The deposited structure of PDB entry 1k4c contains 1 copy of CATH domain 1.10.287.70 (Helix Hairpins) in pH-gated potassium channel KcsA. Showing 1 copy in chain C.
SCOP SCOP annotations
48942
Class: All beta proteins
Fold: Immunoglobulin-like beta-sandwich
Superfamily: Immunoglobulin
Occurring in:
  1. antibody Fab fragment heavy chain
  2. antibody Fab fragment light chain
The deposited structure of PDB entry 1k4c contains 1 copy of SCOP domain 48942 (C1 set domains (antibody constant domain-like)) in antibody Fab fragment heavy chain. Showing 1 copy in chain A.
The deposited structure of PDB entry 1k4c contains 1 copy of SCOP domain 48942 (C1 set domains (antibody constant domain-like)) in antibody Fab fragment light chain. Showing 1 copy in chain B.
48727
Class: All beta proteins
Fold: Immunoglobulin-like beta-sandwich
Superfamily: Immunoglobulin
Occurring in:
  1. antibody Fab fragment heavy chain
  2. antibody Fab fragment light chain
The deposited structure of PDB entry 1k4c contains 1 copy of SCOP domain 48727 (V set domains (antibody variable domain-like)) in antibody Fab fragment heavy chain. Showing 1 copy in chain A.
The deposited structure of PDB entry 1k4c contains 1 copy of SCOP domain 48727 (V set domains (antibody variable domain-like)) in antibody Fab fragment light chain. Showing 1 copy in chain B.
81323
Class: Membrane and cell surface proteins and peptides
Fold: Voltage-gated potassium channels
Superfamily: Voltage-gated potassium channels
Occurring in:
  1. pH-gated potassium channel KcsA
The deposited structure of PDB entry 1k4c contains 1 copy of SCOP domain 81323 (Voltage-gated potassium channels) in pH-gated potassium channel KcsA. Showing 1 copy in chain C.

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