Nucleoplasm

Similar to the cytoplasm of a cell, the nucleus contains 'nucleoplasm' (nucleus sap) or karyoplasm. The nucleoplasm is one of the types of protoplasm, and it is enveloped by the nuclear membrane or nuclear envelope. The nucleoplasm includes the chromosomes and nucleoli. Many substances such as nucleotides (necessary for purposes such as the replication of DNA) and enzymes (which direct activities that take place in the nucleus) are dissolved in the nucleoplasm. The soluble, liquid portion of the nucleoplasm is called the nucleosol or nuclear hyaloplasm.

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Structures of the cell nucleus / nuclear protein

Envelope (membrane)/
nuclear lamina

Pore complex:
Nucleoporin
- NUP35
- NUP37
- NUP43
- NUP50
- NUP54
- NUP62
- NUP85
- NUP88
- NUP93
- NUP98
- NUP107
- NUP133
- NUP153
- NUP155
- NUP160
- NUP188
- NUP205
- NUP210
- NUP214
AAAS

Nucleolus

Cajal (coiled) body
- GEMIN4
- GEMIN5
- GEMIN6
- GEMIN7
- GEMIN8
- SMN/SIP1
- COIL
Perinucleolar compartment
- PTBP1
- CUGBP1
TCOF
ATXN7

Other

Chromatin Dot (PML body) Paraspeckle

SMC protein:	Cohesin SMC1A SMC1B SMC3 Condensin NCAPD2 NCAPD3 NCAPG NCAPG2 NCAPH NCAPH2 SMC2 SMC4 DNA repair SMC5 SMC6

Transition nuclear protein:	TNP1 TNP2

Nuclear matrix (Nucleoskeleton) Nucleoplasm Nucleosol

LITAF

see also transcription factors and intracellular receptors

see also nucleus diseases

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