I1SB10 (I1SB10_9METZ) Unreviewed, UniProtKB/TrEMBL

Names and origin

Protein names	Submitted name: Asteropsin A PDB 3Q8J
Organism	Asteropus PDB 3Q8J
Taxonomic identifier	350938 [NCBI]
Taxonomic lineage	cellular organisms › Eukaryota › Opisthokonta › Metazoa › Porifera › Demospongiae › Choristida › Stelletidae

Protein attributes

Sequence length	37 AA.
Sequence status	Complete.
Protein existence	Evidence at protein level

Ontologies

Keywords
PTM	Pyrrolidone carboxylic acid PDB 3Q8J PDB 2LQA
Technical term	3D-structure PDB 3Q8J PDB 2LQA
Gene Ontology (GO)
None. [Check GOA]

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Amino acid modifications
	Modified residue	1	1	Pyrrolidone carboxylic acid PDB 3Q8J PDB 2LQA

Sequences

	Sequence		Length	Mass (Da)
	I1SB10 [UniParc]. Last modified June 13, 2012. Version 1. Checksum: 76288A8D1ED207D5	FASTA	37	3,922
	10 20 30 EGCAFEGESC NVQFYPCCPG LGLTCIPGNP DGTCYYL

References

[1]	"An Uncommon Crystal Structure of a Marine Knottin Peptide from Asteropus sp." Li H., Bowling J.J., Fronczek F.R., Hong J., Hamann M.T., Jung J.H. Submitted (JAN-2011) to the PDB data bank Cited for: X-RAY CRYSTALLOGRAPHY (0.87 ANGSTROMS), CARBOXYLATION AT GLU-1.
[2]	"Asteropsin A: An unusual cystine-crosslinked peptide from porifera enhances neuronal Ca(2+) influx." Li H., Bowling J.J., Fronczek F.R., Hong J., Jabba S.V., Murray T.F., Ha N.C., Hamann M.T., Jung J.H. Biochim. Biophys. Acta 0:0-0(2012) [PubMed] [Europe PMC] [Abstract] Cited for: STRUCTURE BY NMR, CARBOXYLATION AT GLU-1.

Cross-references

3D structure databases

PDBe
RCSB PDB
PDBj

Entry	Method	Resolution (Å)	Chain	Positions	PDBsum
2LQA	NMR	-	A	1-37	[»]
3Q8J	X-ray	0.87	A	1-37	[»]

ModBase

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Protocols and materials databases

StructuralBiologyKnowledgebase

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Family and domain databases

ProtoNet

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Entry information

Entry name

I1SB10_9METZ

Accession

Primary (citable) accession number: I1SB10

Entry history

Integrated into UniProtKB/TrEMBL:	June 13, 2012
Last sequence update:	June 13, 2012
Last modified:	May 1, 2013
This is version 4 of the entry and version 1 of the sequence. [Complete history]

Entry status

Unreviewed (UniProtKB/TrEMBL)