3LTQ

Structure of Interleukin 1B solved by SAD using an inserted Lanthanide Binding Tag

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Interleukin-1 beta	polymer	171	19483.0	1	UniProt (P01584) Pfam (PF00340) In PDB	Homo sapiens (human)	IL-1 beta, Catabolin
2	A	TERBIUM(III) ION	non-polymer		158.9	1	Chemie (TB)
3	A	ACETATE ION	non-polymer		59.0	2	Chemie (ACT)
4	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
5		water	water		18.0	159	Chemie (HOH)

Sequence modifications

A: 1 - 153 (UniProt: P01584)

PDB	External Database	Details
Met 0	-	initiating methionine
Gly 53	-	SEE REMARK 999
Tyr 53	-	SEE REMARK 999
Ile 53	-	SEE REMARK 999
Asp 53	-	SEE REMARK 999
Thr 53	-	SEE REMARK 999
Asn 53	-	SEE REMARK 999
Asn 53	-	SEE REMARK 999
Asp 53	-	SEE REMARK 999
Gly 53	-	SEE REMARK 999
Trp 53	-	SEE REMARK 999
Ile 53	-	SEE REMARK 999
Glu 53	-	SEE REMARK 999
Gly 53	-	SEE REMARK 999
Asp 53	-	SEE REMARK 999
Glu 53	-	SEE REMARK 999
Leu 53	-	SEE REMARK 999
Tyr 53	-	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	19483.0
Non-Polymers*	Number of molecules	4
	Total formula weight	373.1
All*	Total formula weight	19856.1

*Water molecules are not included.