3RPT

Crystal structure of the anti-HIV b12 scaffold protein

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	X, A	Endoglucanase E-2	polymer	282	29825.8	2	UniProt (P26222) Pfam (PF01341) In PDB	Thermobifida fusca	Cellulase E-2, Cellulase E2, Endo-1,4-beta-glucanase E-2
2	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
3		water	water		18.0	357	Chemie (HOH)

Sequence modifications

X, A: 1 - 71 (UniProt: P26222)

PDB	External Database	Details
His 41	Phe 73	SEE REMARK 999
Asn 42	Ala 74	SEE REMARK 999
Gln 43	His 75	SEE REMARK 999

X, A: 89 - 106 (UniProt: P26222)

PDB	External Database	Details
Asn 72	-	SEE REMARK 999
Pro 73	-	SEE REMARK 999
Asp 74	-	SEE REMARK 999
Pro 75	-	SEE REMARK 999
Gly 76	-	SEE REMARK 999
Gly 77	-	SEE REMARK 999
Asp 78	-	SEE REMARK 999
Met 79	-	SEE REMARK 999
Asp 80	-	SEE REMARK 999
Asn 81	-	SEE REMARK 999
Gly 82	-	SEE REMARK 999
Phe 83	-	SEE REMARK 999
Glu 84	-	SEE REMARK 999
Glu 85	-	SEE REMARK 999
Gly 86	-	SEE REMARK 999
Lys 87	-	SEE REMARK 999
Gln 88	-	SEE REMARK 999

X, A: 126 - 274 (UniProt: P26222)

PDB	External Database	Details
Asp 107	-	SEE REMARK 999
Pro 108	-	SEE REMARK 999
Gly 109	-	SEE REMARK 999
Gly 110	-	SEE REMARK 999
Ser 111	-	SEE REMARK 999
Gly 112	-	SEE REMARK 999
Gly 113	-	SEE REMARK 999
Asp 114	-	SEE REMARK 999
Pro 115	-	SEE REMARK 999
Glu 116	-	SEE REMARK 999
Ile 117	-	SEE REMARK 999
Ala 118	-	SEE REMARK 999
Glu 119	-	SEE REMARK 999
Ala 120	-	SEE REMARK 999
Ala 121	-	SEE REMARK 999
Trp 122	-	SEE REMARK 999
Arg 123	-	SEE REMARK 999
Phe 124	-	SEE REMARK 999
Ala 125	-	SEE REMARK 999
Ala 158	Ser 201	SEE REMARK 999
Ala 159	Trp 202	SEE REMARK 999
Arg 162	Gln 205	SEE REMARK 999
Ser 219	Trp 262	SEE REMARK 999
Leu 275	-	EXPRESSION TAG
Glu 276	-	EXPRESSION TAG
His 277	-	EXPRESSION TAG
His 278	-	EXPRESSION TAG
His 279	-	EXPRESSION TAG
His 280	-	EXPRESSION TAG
His 281	-	EXPRESSION TAG
His 282	-	EXPRESSION TAG

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	59651.7
Non-Polymers*	Number of molecules	1
	Total formula weight	96.1
All*	Total formula weight	59747.7

*Water molecules are not included.